An acid with pKa of 6 is placed into an environment where the PH is 2. Therefore, you can safely conclude that most of the acid molecules are
a. Adducted
b. Ionized
c. Nonionized
d. Free radicals

Answers

Answer 1

When an acid with pKa of 6 is placed into an environment where the pH is 2, most of the acid molecules are ionized (option B).

There are different types of acids in chemistry. The pH of a solution determines its acidity or basicity. The pKa of an acid is the negative logarithmic value of the equilibrium constant of the acid dissociation reaction. It refers to the acidity of the acid. The dissociation of the acid depends on the pH of the solution.

The degree of ionization of an acid in water depends on the acid's strength and the pH of the solution. If the pH is less than the pKa, the acid exists predominantly in its protonated (non-ionized) form. If the pH is greater than the pKa, the acid exists predominantly in its deprotonated (ionized) form.

When an acid with pKa of 6 is placed into an environment where the pH is 2, most of the acid molecules are ionized. Therefore, the correct option is b. Ionized.

You can learn more about pKa at

https://brainly.com/question/12273811

#SPJ11


Related Questions

what is the reaction between phosphate ion (PO4 3-) and hydronium ion (H3O+)

Answers

Answer:

H3O+(aq) + PO43−(aq) ⇌ HPO42−(aq) + H2O(l)

Notice that the total charge (2-) is the same on both sides of the equation, and that this is reaction can take place in both directions.

Explanation:

i hope it helps uh..!!mark me as brainliest ♥️

What is the correct name for SiCl5?

Answers

Answer:

SbCl5

Antimony pentachloride

Antimony pentachloride is a chemical compound with the formula SbCl5.

- wikipedia

suppose you have two samples that are equal in weight, 22.3 g zn and 22.3 g cr2o3 . calculate the number of moles of each substance.

Answers

The Number of Moles of Zn is 0.34108 and the number of moles of Cr2O3 is 0.14671.

What is Number of Moles?

The ratio of a substance's given mass in a chemical reaction to the mass of one mole of that material is what determines how many moles there are of that substance. A mole of any substance is equal to 6.0231023, or Avogadro's number. The ratio of a substance's given mass in any kind of chemical reaction to the mass of one mole of that material is the number of moles of that substance.

Moles of Zn can be calculated by using the formula

22.3 g of Zn x 1 mole Zn/65.4 g = 0.341 moles of Zn.

Moles of Cr2O3 can be calculated by using the formula

22.3 g of Cr2O3 x 1 mole Cr2O3/151.99 = 0.146 moles of Cr2O3.

Hence, 0.34108 and 0.14671 will be the number of moles for Zn adn Cr2O3 respectively.

To know more about number of moles, follow the link below

https://brainly.com/question/14357742

#SPJ4

Zn has a mole count of 0.34108, while Cr2O3 has a mole count of 0.14671.

What is Number of Moles?
The number of moles of a substance is determined by the ratio of its given mass in a chemical reaction towards the mass of one mole of that substance. A mole, or 6.0231023, is equal to one mole of any substance. The number of moles of a substance is defined as the mass of one mole divided by the given mass of the substance in any type of chemical reaction.

The formula can be used to determine moles of zinc.
22.3 g of Zn x 1 mole Zn/65.4 g = 0.341 moles of Zn.

The formula can be used to determine moles of Cr2O3.
22.3 g of Cr2O3 x 1 mole Cr2O3/151.99 = 0.146 moles of Cr2O3.

Therefore, the moles of Zn and Cr2O3 will be 0.34108 and 0.14671, respectively.

To know more about number of moles, follow the link below
https://brainly.com/question/15356425
#SPJ4

Calculate the number of moles in 10g of ammonium carbonate.​

Answers

Answer:

0.10417 mol

Explanation:

first step you find the mr of ammonium carbonate { (NH4)2CO3 }

mr of (NH4)2CO3:

=(2×Ar of N) + (8×Ar of H) + (1×Ar of C) + ( 3× Ar of O)

=(2×14) + (8×1) + (1×12) + (3×16)

= 28 + 8 + 12 + 48

=96

no of moles = mass ÷ mr

= 10 ÷ 96

= 0.10417 mol

Give a simple meaning of the word viscosity in your own words.

Answers

Answer:

Viscosity is the measure of how much something can flow.

Explanation:

For example Honey is high in viscosity because it does not flow well. But water on the other hand is low in viscosity because it flows well

Viscosity is the property of fluids that corresponds to the microscopic transport of momentum by molecular diffusion.

Hydrogen sulfide gas is reacted with dioxygen gas to produce gaseous sulfur dioxide and water. True or false?.

Answers

Hydrogen sulfide gas is reacted with dioxygen gas to produce gaseous sulfur dioxide and water. It is false.

When hydrogen sulfide gas reacts with dioxygen gas, it produces water and solid Sulphur and not gaseous sulfur. The chemical equation of the given substances is :

                   2H2S +  O2 → 2S + 2H20

It is a redox reaction as both Oxidation and reduction happens in it. Oxidation of hydrogen sulphur to sulphur happens and reductions of oxygen to water takes place.  

if you need to learn more about chemical reaction of Hydrogen sulfide gas, click here

https://brainly.com/question/15842521?referrer=searchResults

#SPJ4

what is the bond order for a second-period diatomic particle containing seven electrons in antibonding molecular orbitals and eight electrons in bonding molecular orbitals?

Answers

The Bond Order would be 0.5.

Bond order is the number of bonding pairs of electrons between two atoms. In a covalent bond between two atoms, a single bond has a bond order of one, a double bond has a bond order of two, a triple bond has a bond order of three, and so on.

Bond Order= \(\frac{Bonding E- Antibonding E}{2}\)

so ,

= \(\frac{8-7}{2}\)

= 0.5

As Bond Order is 0.5 so molecule would be very reactive as bond is pretty weak.

Learn more about Bond Order:

brainly.com/question/29853110

#SPJ4

Plz help me (T_T)
Quickly pleaseeeeeee

Plz help me (T_T)Quickly pleaseeeeeee

Answers

Answer:

Enthalpy of solution is always Positive.

the macronutrient most often lacking in in soil to promote optimum plant growth is

Answers

The macronutrient most often lacking in soil to promote optimum plant growth is nitrogen.

Nitrogen is an essential element required for the formation of chlorophyll, which is crucial for photosynthesis in plants. Nitrogen is also required for the synthesis of amino acids, which are the building blocks of proteins. Without adequate nitrogen, plants cannot produce enough proteins, which are necessary for their growth and development.

Nitrogen is naturally present in the soil in the form of organic matter and mineral deposits, but it can become depleted over time due to various factors such as erosion, leaching, and plant uptake. To maintain healthy soil and promote optimum plant growth, it is important to ensure that there is an adequate supply of nitrogen available. This can be achieved through various methods such as adding nitrogen-rich fertilizers, planting nitrogen-fixing crops, and incorporating organic matter into the soil.

It is important to note that while nitrogen is often the most lacking macronutrient in soil, other macronutrients such as phosphorus and potassium can also become depleted and require replenishment for optimal plant growth. Proper soil testing and nutrient management practices can help ensure that plants have access to all the necessary macronutrients for healthy growth and development.

To know more about macronutrient, refer to the link below:

https://brainly.com/question/29789849#

#SPJ11

202 + CH4 ?H₂O + CO₂
How many molecules of water are produced in the reaction?
(1 point)
O eight
O one
O four
O two

Answers

The answer is two. Hope this helps

Describe scientific method

Answers

The scientific method is an experimentation technique used to investigate data and answer questions. All sciences, including chemistry, physics, geology, and psychology, follow the scientific method. These scientists ask various questions and conduct different tests. They do, however, apply the same fundamental technique to arrive at logical and evidence-based conclusions. Scientists change the scientific method when direct experimentation is not possible. Understanding the phases of the scientific process can assist you in focusing your scientific inquiry and working through your observations and data to get the best possible response.

The scientific method consists of seven phases.

1. Pose a query. The scientific approach begins with posing a question that you want answered.

2. Conduct research.

3. Create your theory.

4. Experiment to put your hypothesis to the test.

5. Make a note of it.

6. Analyze the findings and reach a conclusion.

7. Display your results.

A post-1982 penny is made with zinc, but its density is actually greater than that of zinc because ________.

Answers

Answer:

even thought pennies had zinc in them, they were greater in density because 2.4% percent of it`s mass was copper. so, while a slight difference, the copper made the pennies greater in density than that of zinc.

Silver is a white metal that is an excellent conductor. Silver tarnishes when exposed to air and light. The density of silver is 10.49 g/cm3. The melting point is 962oC and the boiling point is 2000oC. A chemical property of silver is A) density. B) melting point. C) tarnishes in air. D) that it is a conductor.

Answers

Answer:

c tarnishes in air

Explanation:

After silver has been exposed to air that contains sulphur gases, discoloration would occur. there would be darkening that is caused by the reaction with gases.When any silver object tarnishes, it brings about a disfiguring of that object. Hydrogen sulphide would be needed for this to happen. silver sulphide is black and a if a thin layer should form on any surface, it ill darken it. This  is what we refer to as tarnishing.

Answer:

c

Explanation:

it tarnishes in air

1. How many grams of sodium carbonate must be weighed out in order to make 2. 5 kg of a 35. 0%

(w/w) solution?

Answers

You would need to weigh out \(875 grams\) of sodium carbonate to make \(2.5 kg\) of a \(35.0\%\) (w/w) solution.


First, convert \(35.0\%\) to a decimal by dividing it by \(100\):

\(35.0/100 = 0.35\)

Then, multiply the decimal by the total weight (\(2.5 kg\)) to find the grams of sodium carbonate:

\(0.35 * 2.5 kg = 0.875 kg\)

Next, we need to convert the kilogram (\(kg\)) measurement to grams (\(g\)) since the question asks for the amount in grams.

Since \(1 kg\) is equal to \(1000 g\), we can multiply the amount in \(kg\) by \(1000\):

\(0.875 kg * 1000 g/kg = 875 g\)

Therefore, you would need to weigh out \(875 grams\) of sodium carbonate to make \(2.5 kg\) of a \(35.0\%\) (w/w) solution.

Learn more about sodium carbonate here:

https://brainly.com/question/24475802

#SPJ11

a 50.0 gram sample of water is heated from 20.5 oc to 27.1 oc. how many joules of heat were added to this solution?

Answers

If there are specific terms or phrases mentioned in the question, they should be used in the answer to demonstrate understanding of the topic at hand.

Here is the solution to the given problem;The formula for calculating heat is Q = mc∆T where Q is the heat added or removed, m is the mass of the substance, c is the specific heat of the substance, and ∆T is the change in temperature. To solve for Q, we need to know the values of m, c, and ∆T.Let's break down the problem given in the question above. A 50.0-gram sample of water is heated from 20.5°C to 27.1°C. We can use the formula above to calculate the amount of heat added.Q = mc∆TQ = (50.0 g)(4.18 J/g·°C)(27.1°C - 20.5°C)Q = (50.0 g)(4.18 J/g·°C)(6.6°C)Q = 1379.4 JTherefore, the amount of heat added to the water is 1379.4 Joules.

for more such question on temperature

https://brainly.com/question/25677592

#SPJ11

Potassium nitrate (KNO;) decomposes on heating to give potassium nitrite (KNO.) and oxygen (02).
When 4.04 g of KNOs is heated, 3.40 g of KNOz is produced
Use the law of conservation of mass to work out the mass of 0, produced.?

Answers

2.02 g mass of oxygen are produced during the decomposition of 4.04 g of potassium nitrate.

Law of conservation of mass calculation.

According to the law of conservation of mass, the total mass of the reactants in a chemical reaction is equal to the total mass of the products. Therefore, we can use this law to determine the mass of oxygen produced in the decomposition of potassium nitrate.

Let's assume that x grams of oxygen (O2) are produced during the decomposition of 4.04 g of potassium nitrate (KNO3). The balanced chemical equation for the decomposition of KNO3 is:

2 KNO3 --> 2 KNO2 + O2

From the equation, we can see that 2 moles of KNO3 produce 1 mole of O2. We can use this information to set up a proportion to solve for x:

2 mol KNO3 / 1 mol O2 = 4.04 g KNO3 / x g O2

Solving for x, we get:

x = (1 mol O2 / 2 mol KNO3) x (4.04 g KNO3) = 2.02 g O2

Therefore, 2.02 g of oxygen are produced during the decomposition of 4.04 g of potassium nitrate using law of conservation of mass.

Learn more on law of conservation of mass below.

https://brainly.com/question/1992248

#SPJ1

Be sure to answer all parts. Radon (Rn) is the heaviest and the only radioactive member of Group 8A(18), the noble gases. It is a product of the disintegration of heavier radioactive nuclei found in minute concentrations in many common rocks used for building and construction. In recent years, health concerns about the cancers caused from inhaled residential radon have grown. If 1. 00 × 1015 atoms of radium (Ra) produce an average of 1. 373 × 104 atoms of Rn per second, how many liters of Rn, measured at STP, are produced per day by 1. 08 g of Ra?

Answers

The final answer is  1.8 × 102 L of Rn, measured at STP, are produced per day by 1.08 g of Ra.

In order to determine the amount of radon that is produced per day by 1.08 g of Ra, it is essential to calculate the number of Rn atoms that are produced per second.

In the given question, it is known that 1.00 × 1015 atoms of radium produce an average of 1.373 × 104 atoms of Rn per second.

Therefore, we can use this ratio to calculate the number of Rn atoms that are produced per day by 1.08 g of Ra. Once we know the number of Rn atoms produced per day, we can calculate the volume of Rn produced by using the ideal gas law.

The final answer is  1.8 × 102 L of Rn, measured at STP, are produced per day by 1.08 g of Ra.

To know more about radium visit:

brainly.com/question/19471276

#SPJ11

Which of the following radiactive elements was often put in beauty products?
Francium
Curium
Radium
Uranium

Answers

Answer:

Radium

Explanation:

Radium is a radioactive element which was often put in beauty products.

What do the models you created using the Modeling Tool show? Use the space below to describe the models for each claim.

What do the models you created using the Modeling Tool show? Use the space below to describe the models

Answers

The models showed evaporation and freezing.

During evaporation liquid molecules change to gas molecules, as a result, the freedom of their movement increasesDuring freezing, liquid particles change to solid particles and as a result, their freedom of movement decreases.

What is evaporation and freezing?

Evaporation is the process by which liquid molecules spontaneously change to gas.

The factors that affect the rate of evaporation of a liquid include temperature, nature of the liquid, relative humidity, etc.

Freezing is the process by which a liquid changes to a solid on cooling with the removal of heat.

Learn more about freezing and evaporation at: https://brainly.com/question/18113

#SPJ1

in which of the following would the bonding be strengthened with the addition of an electron to form the negative molecular ion? a) n2 b) o2 c) f2 d) all of these e) none of these

Answers

None of these

In O2, with 6 valence electrons per oxygen, the 3 p bonding orbitals are filled and 2 electrons are each in an antibonding p orbital. Calculate the bond order and you will find B.O. = 2.

In N2, the situation is similar but the p antibonding orbitals are completely empty. This gives a bond order of 3.

Removing electrons from O2 removes electrons from an antibonding orbital, whereas removing orbitals from N2 removes electrons from a bonding orbital, the effects on bond order and hence bond strength should now be clear.

To know more about valence electron click here:

https://brainly.com/question/12717954

#SPJ4

9. The next year there is a new head gardener who decides to run the same experiment but over 2 different years, differently from 8. Let's assume that these 2 years have remarkably similar weather so the plants will behave the same each time except for the effects of the fertiliser. The gardener compares the growth rate of each individual plant between the 2 gardening seasons. The average difference in monthly growth rate (inches) for the plants is 1.55 with a standard deviation of 0.093. They choose only 49 plants for this experiment. (a) Construct a 95% confidence interval for the difference between the average growth rate of the plants between the 2 gardening seasons. (b) Which of the two 95% intervals (the one from question 8a or from this question part a) is narrower? Why is it so? (c) Which of the two 95% intervals (the one from question 8a or from this question part a) is more convincing in making a point that the head gardener should start using the newer fertiliser, if there is a difference?

Answers

(a) The 95% confidence interval for the difference between the average growth rate of the plants between the 2 gardening seasons is 1.55 ± 0.187 inches.

(b) The 95% interval from question 8a is narrower than the interval in this question (part a).

(c) The 95% interval from this question (part a) is more convincing in making a point that the head gardener should start using the newer fertilizer, if there is a difference.

Explanation to the short answers written above is written below,

(a) To construct the 95% confidence interval, we use the formula:

Confidence interval = sample mean ± (critical value * standard error)

In this case, the sample mean difference in monthly growth rate is 1.55 inches, and the standard deviation is 0.093 inches. Since the sample size is 49, we can assume the sampling distribution is approximately normal.

Using the appropriate critical value (which depends on the desired confidence level), we can calculate the standard error and construct the interval.

(b) The 95% interval from question 8a is narrower because it was constructed using a larger sample size (100 plants) compared to the current question (49 plants). A larger sample size provides more precise estimates and reduces the standard error, resulting in a narrower confidence interval.

(c) The 95% interval from this question (part a) is more convincing in making a point that the head gardener should start using the newer fertilizer, if there is a difference.

This is because the interval in this question has a smaller margin of error, indicating a higher level of precision in estimating the true difference in growth rates.

A smaller margin of error suggests a more reliable and accurate estimate, providing stronger evidence to support the conclusion that the newer fertilizer has a significant impact on plant growth.

To know more about "Growth rate" refer here:

https://brainly.com/question/15457588#

#SPJ11

Calculate the total mass of LiBr(s) required to make 500.0g of an aqueous solution of LiBr that has a concentration of 388 parts per million

Answers

The calculate the total mass of Libra(s) required to make 500.0g of an aqueous solution with a concentration of 388 parts per million, follow these steps Convert the concentration from parts per million (ppm) to a mass ratio: 388 ppm means there are 388 grams of Libra in 1,000,000 grams of the solution.

The Calculate the mass ratio Divide the mass of Libra by the total mass of the solution to obtain the mass ratio.   Mass ratio = Mass of Libra / Total mass of solution Rearrange the formula to find the mass of Libra   Mass of Libra = Mass ratio × Total mass of solution Substitute the given values into the formula Total mass of solution is 500.0g, and the concentration of Libra is 388ppm which is equivalent to 388g of Libra in 1,000,000g of solution. Therefore, the mass ratio is 388g/1,000,000 Calculate the mass of Libra   Mass of Libra = (388g / 1,000,000g) × 500.0g Solve for the mass of Libra Mass of Libra ≈ 0.194g So, approximately 0.194g of Libra(s) is required to make 500.0g of an aqueous solution of Libra with a concentration of 388 parts per million.

learn more about mass here.

https://brainly.com/question/15959704

#SPJ11

Is there a relationship between the locations of earthquake, volcanoes, and plate boundaries? If so, describe the relationship.

Answers

Answer:

and earthquake epicenters are related to tectonic plate boundaries. causes Earth's plates to move. Most volcanoes and earthquakes are caused by the motion and interaction of Earth's plates. The way Earth's plates interact at boundaries is an important factor in the locations of earthquakes and volcanoes

Explanation:

A student describes a substance as lacking a definite shape. The description also states that the particles of matter are close to each other but still able to flow past each other. Which type of substance is the student most likely describing?.

Answers

Based on the given description, the student is most likely describing a liquid.

As we know, liquids do not have any definite shape, but they do have a definite volume. This is because the particles of matter in a liquid are close together, but they are still able to flow past each other. Due to this property, liquid take the shape of its container.

Some examples of liquids include water, oil, and gasoline.

Other states of matter include solids and gases.

Solids have a definite shape and volume, and the particles of matter in a solid are not able to flow past each other.

Gases have no definite shape or volume, and the particles of matter in a gas are very far apart and are able to move freely.

Thus, the correct answer is liquids.

To learn more about liquids :

https://brainly.com/question/752663

#SPJ11

What is energy consumption in cloud?.

Answers

Energy consumption in the cloud refers to the amount of energy used by data centers and other infrastructure that provide cloud computing services.

This includes the energy used to power servers, cooling systems, and networking equipment, as well as the energy used to transport data over networks.

As cloud computing has become increasingly popular, energy consumption has become a significant concern for both cloud providers and users, as the energy required to run data centers can be substantial. To mitigate this, cloud providers are investing in more energy-efficient technologies and practices, such as using renewable energy sources and implementing more efficient cooling systems.

Learn more about cloud computing:
https://brainly.com/question/29737287

#SPJ4

A liquid solvent is added to a flask containing an insoluble solid. The total volume of the solid and liquid together is 79.0 mL. The liquid solvent has a mass of 30.9 g and a density of 0.865 g/mL. Determine the mass of the solid given its density is 3.25 g/mL.

Answers

The mass of the solid is approximately 140.54 g, by subtracting the volume of the liquid solvent from the total volume and then multiplying by the density of the solid.

To determine the mass of the solid, we need to consider the mass of the liquid solvent and the total volume of the solid and liquid together.

Let's denote the mass of the solid as \(m_solid\).

The total volume of the solid and liquid together is given as 79.0 mL.

The mass of the liquid solvent is given as 30.9 g, and its density is 0.865 g/mL.

The density of the solid is given as 3.25 g/mL.

We can calculate the volume of the liquid solvent using its mass and density:

\(V_{solvent} = \frac{m_{solvent}}{\rho_{solvent}}\)

\(V_{solvent} = \frac{30.9\text{ g}}{0.865\text{ g/mL}}\)

Volume of liquid solvent ≈ 35.77 mL

The volume of the solid can be determined by subtracting the volume of the liquid solvent from the total volume of the solid and liquid together:

Volume of solid = Total volume - Volume of liquid solvent

Volume of solid = 79.0 mL - 35.77 mL

Volume of solid ≈ 43.23 mL

Now we can calculate the mass of the solid using its density and volume:

Mass of solid = Density of solid * Volume of solid

Mass of solid = 3.25 g/mL * 43.23 mL

Mass of solid ≈ 140.54 g

Therefore, the mass of the solid is approximately 140.54 g.

To know more about the mass of the solid refer here,

https://brainly.com/question/31578008#

#SPJ11

Which body systems is your blood a part of? Your answer ​

Answers

cardiovascular system( im so sorry if it was wrong)

what are 2 control variables of separating sand and salt​

Answers

two control variables of separating sand and salt​ are:

Quantity of salt and sand in the mixture The type of filter used

What is mixture in chemistry?

When two or more different chemical substances are combined without any chemical bonding, it creates a mixture. Solutions, suspensions and colloids are some forms that these combinations can take on while retaining the original identities of each substance.

Mixtures result from mechanical blending or mixing of elements and compounds where no other chemical change occurs thereby preserving the characteristic makeup and properties of each component substance.

Learn about mixture here https://brainly.com/question/2331419

#SPJ1

The molar mass of silver (Ag) is 107.87 g/mol.
Calculate the mass in grams of a sample of Ag containing 1.97 x 1022 atoms.
Write your answer using three significant figures.
g Ag

Answers

Answer:

3.53 g

Explanation:

To convert from atoms to moles, you need to know Avogadro's number.  Avogadro's number (6.022 × 10²³) is how many atoms there are in one mole of a substance.  Use this to convert.

(1.97 × 10²² atoms) ÷ (6.022 × 10²³ atoms/mol) = 0.0327 mol

Now that you have moles, use the molar mass to convert to grams.

(0.0327 mol) × (107.87 g/mol) = 3.53 g

The mass in grams of the sample of Ag to three significant figures is 3.53 grams

The formula for calculating the number of moles of a substance is expressed as shown below:

\(moles =\frac{Mass}{Molar mass}\)

Given the following parameters

Molar mass = 107.87 g/mol.

number of atoms of the sample = 1.97 x 1022 atoms.

Get the number of moles of the substance:

Moles = 1.97 × 10²²/6.022 × 10²³ = 0.0327 mol

Get the required mass of the substance:

Mass = moles * molar mass

Mass = 0.0327 * 107.87

Mass = 3.53 grams

Hence the mass in grams of the sample of Ag to three significant figures is 3.53 grams

Learn more here: https://brainly.com/question/6996520

How many atoms from the following molecule will be detected in a 13c nmr experiment? we are not asking for unique signals, just total number of atoms

Answers

The structure of the compound, there will be ten unique signals in the carbon 13 NMR of the compound.

What are NMR signals?

The NMR signals shows the atoms in a compound that are in unique chemical environments. The atoms that are in the same chemical environment will only give one signal.

Based on the structure of the compound, there will be ten unique signals in the carbon 13 NMR of the compound.

Learn more about carbon 13 NMR :https://brainly.com/question/9442853

#SPJ12

How many atoms from the following molecule will be detected in a 13c nmr experiment? we are not asking
Other Questions
a postpartum woman is prescribed oxytocin to stimulate the uterus to contract. which action would be most important for the nurse to do? When one s and three p orbitals hybridize? Is Bitcoin a currency? Explain your answer with theoretical andpractical justifications. (750 words) Find the equation of a line perpendicular to y - 1= -x that passes through thepoint (-4,-8).1.) y = x - 42.) y = -x - 43.) y = -x - 14.) y = x - 1 In a chemistry class, Gabby prepared a solution by mixing 25 grams (g) of sugar in 80g of water. What are the concentration of the solute and solvent in percent (%) by mass? if a 23.25 g sample required 25.6 ml of 0.135 m kmno4 to reach equivalence, what is the percent iron in the sample? What is the message of each of the Constitution's first 10 amendments? is 1/2 and 5/10 a ratio proportion Programs to help families purchase or operate family farms are provided by A) the Farm Service Agency. B) Fannie Mae C) the Federal Housing Finance Agency. D) Ginnie Mae The magnitude of the electrostatic force between two point charges is f. If the distance between the charges is doubled, the electrostatic force between the charges will become. What can you conclude about Walt and Madge's feelings about the dog? Explain how you came to your conclusion? Answer the following questions: 29 1. what are millennuim development goals? What the answer to 4 x 5 3/8 = I need help plz someone can u answer this plzzzzzz??? Maintaining a(n)_______attitude is a life skill that can help you be a productive and well-rounded person. how do I upending friend request? 100 POINTS!!!! Claiming to have had a sudden family emergency, Jack lied to his professor in order to be allowed to make up a test that he had skipped because he was not prepared to take it. Jack feels a surge of guilt and shame in thinking about the lie. The guilt comes from the energy of the ___________. emergency support functions are organized groups of:________ find the radius of the circle 200 mm Magnetic attraction is one of the chemical properties of matter *TrueFalse