NH4Cl + AgNO3 → AgCl + NH4NO3

Answers

Answer 1
A N S W E R :

It's a balanced equation!This is a precipitation reaction.AgCl is the formed precipitate.

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Question 21
A sample of rainwater has a pH of 3.5. What ion is sure to be present in relatively
large concentration in this rain sample?
H3O+
SO4²-
OH
HSO4

Answers

A sample of rainwater with a pH of 3.5 is sure to contain a large concentration of [tex]H_3O^+[/tex]

pH scale

A pH value of 7 downward is said to be acidic. Upward of 7 is said to be basic. A pH of 7 on the dot is said to be neutral.

An acid is defined as a substance that produces  [tex]H_3O^+[/tex] as its only positively charged ion in solution.

Thus, rainwater with a pH of 3.5 is acidic and will contain a high concentration of  [tex]H_3O^+[/tex].

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The physical matter of which living or nonliving things are composed is called a ___
(Fill in the blank one word)

100 POINTS TO WHO EVER IS CORRECT!

Answers

Answer:

Substance

Explanation:

Any physical matter despite of living or non living things are composed by a set of molecules or atoms commonly known as substance

On specific living things are composed of biomolecules or cells where as non living things are composed of molecules and atoms

Answer:

Substances

Physical matters are divided into 3 states

solid stateLiquid stateGaseous state

As per randomness of particles the order is

Gaseous>Liquid>Solid

3-chloropropylamine what is?

Answers

Answer:

a chemical compound

How many moles of CH3CH2Br are contained in 422 mL of 0.0950 M CH3CH2Br solution?

Answers

M= moles/L

422mL = 422/1000 = 0.422 L

0.0950 M = ? moles / 0.422 L
0.0950 Moles/ L X 0.422 L = 0.0401 moles

Which of the following sets of descriptors matches the molecule below?

Image of two hydrogen atoms bonded to one oxygen atom to form H2O, or water.

A. Simple structure, molecule, single bonds, two elements
B. One element, triple bond, molecule, diatomic
C. Giant structure, single bond, compound, one element
D. Compound, allotrope, double bond, giant structure

Answers

Answer: A. Simple structure, molecule, single bonds, two elements

Question 4 of 15
A compound with the empirical formula CH₂ has a molar mass of 42 g/mol. What is the molecular formula for this compound?
molecular formula:
3CH₂
Attempt 1
Incorrect

Answers

(CH₂)n=42

(14)n=42

n=3

C₃H₆

What net force is required to cause a 12,000 kg airplane to accelerate at a rate of 5.2 m/s

Answers

The answer is 624000N

Which option below has the correct order of steps to complete a stoichiometric calculation to determine percent yield?

A. Write a balanced equation, determine the limiting reactant, calculate the theoretical yield, calculate the percent yield

B. Write a balanced equation, determine the excess reactant, calculate the theoretical yield, calculate the percent yield

C. Determine the excess reactant, write a balanced equation, calculate the theoretical yield, calculate the percent yield

D. Calculate the percent yield, determine the limiting reactant, write a balanced equation, calculate the theoretical yield

Answers

To determine the percentage yield, do the following:

Write the balance equationDetermine the limiting reactant Calculate the theoretical yieldCalculate the percentage yield (Option A)

What is stoichiometry?

Stoichiometry simply defined the relationships of the various quantities as they react in a chemical reaction

Scientist are mostly inquisitive and as such may want to determine the percentage yield of a reaction even before carrying it out.

How to determine the percentage yield

To determine the percentage for a given reaction, we must set up the following:

Write the balance equationDetermine the limiting reactant Calculate the theoretical yieldCalculate the percentage yield

From the above, we can conclude that option A gives the right steps if we must successfully determine the percentage yield of a reaction.

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Answer:

A

Explanation:

Edge 2022

A camel's hump is a trait that evolved through the process of ____________ to allow the camels to survive for longer periods without water.
A.
natural selection
B.
fossilization
C.
mutualism
D.
genetics

Answers

Answer:

Natural Selection

The answer is:

A. Natural Selection

▸ Exam Instructions
Question 15 of 20:
Select the best answer for the question.
15. Why can over-the-counter medications be sold to consumers without the need for a prescription?
A. They're found to give benefits to all people, regardless of whether a patient is ill or not.
B. They're all covered by insurance companies and therefore a prescription isn't necessary.
C. They're safe to use without the regulation of a physician, according to a regulatory agency.
D. They're considered the most important and consumers are encouraged to keep stock of certain types at home.
Mark for review (Will be highlighted on the review page)
<< Previous Question
Next Question >>

Answers

C. They’re safe to use without the regulation of a physician, according to a regulatory agency

Which of these is a reason an engineer may choose to use a prefabricated
building component?
A. She wants to make the building more original and unique.
B. She wants to use standard materials to minimize negative
environmental impacts.
C. She wants to make the building safer.
OD. She is not on a strict timeline.

Answers

Answer:

B.

Explanation:

customization requires more material, more machine time which can creates a greater impact on the environment in the sense of pollution (travel by the extra employees, creation of custom materials, increased machine running time). Good luck in your studies. Hope this answers your question in full.

uses of radio isotopes​

Answers

Answer:

1. Used in many smoke detectors for homes and businesses to measure levels of toxic lead in dried paint sample to ensure uniform thickness in rolling processes like steel and paper production and to help determine where oil wells should be drilled.

2.Used to treat cancerous tumors to measure correct patient dosages of radioactive pharmaceutical to measure and control the liquid flow in oil pipelines to tell researchers whether oil wells are plugged by sand and to ensure the right fill level for packages of food, drugs, and other

products.

3.Used in medical diagnosis

4.Used to treat thyroid disorders. (Graves’s disease).

5.Used in molecular biology and genetics research.

6.Used in nuclear medicine for lung ventilation and blood flow studies.

7.Used in dental fixtures like crowns and dentures to provide a Uranium-234 natural color and brightness.

8.Used in electric blanket thermostats and to gauge the thickness of thin plastics, thin sheet metal, rubber, textile and paper.

How many atoms are in 2.17 moles of strontium?

Answers

Answer: I think 82.46

Explanation: The atomic number for strontium, or Sr on the periodic table, is 38. With knowing the atomic number, I multiplied that by the number of moles given.

38 × 2.17 = 82.46

I hope this helps!!

The number of atoms present in 2.17 moles of strontium are  [tex]1.306774 \times 10^{24}[/tex].

An atom is the smallest indivisible unit of a chemical element that retains the chemical properties of that element. It is the basic building block of matter.

To determine the number of atoms in a given number of moles, we can use Avogadro's number, which is approximately [tex]6.022 \times 10 ^{24}[/tex] atoms per mole.

In this case, we have 2.17 moles of strontium. To find the number of atoms, we multiply the number of moles by Avogadro's number:

Number of atoms = [tex]2.17 moles\times6.022\times 10^{23}[/tex][tex]atoms/mole[/tex]

On calculating this expression:

Number of atoms =[tex]1.306774 \times 10^{24}[/tex]

Therefore, there are approximately [tex]1.306774 \times 10^{24}[/tex] atoms in 2.17 moles of strontium.

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A cubic meter of air was sampled at 1.0 ATM and 40 C.
An ion chromatographic analysis of that sample found it to contain 12 micrograms of NO2.
How many ppb of NO2 is in the air?

Answers

The amount of nitrogen oxide in the air sample is determined as 7.01 ppb.

Amount of Nitrogen oxide in the air

The amount of Nitrogen oxide (NO2) in the air in parts per billion (ppb) is calculated as follows;

12 micrograms of NO2 = 12 μg = 12 x 10⁻⁶ g

PV = nRT

V = nRT/P

Where;

V is volume of NO2 gasn is number of moles of NO2 gasT is temperature = 40 C = 313 K

n = m/M

M = molar mass of NO2 = 46

n =  12 x 10⁻⁶/46

n = 2.73 x 10⁻⁷ mole

V = (2.73 x 10⁻⁷ x 0.082057 x 313)/(1)

V = 7.01 x 10⁻⁶ L

V =  7.01 x 10⁻⁹ m³

Amount of NO2 In parts per billion

= (Volume of NO2)/(volume of air) x 10⁹

= (7.01 x 10⁻⁹)/(1) x  10⁹

= 7.01 ppb

Thus, the amount of nitrogen oxide in the air sample is determined as 7.01 ppb.

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please help with this answe i do not how to to do it it

Answers

Answer:

1.20 M (3 s.f.)

Explanation:

In this question, we are trying to find the concentration of KCl after dilution. Note that the number of moles of KCl does not change.

[tex]g \div \frac{g}{mol} = g \times \frac{mol}{g} = mol[/tex]

Number of moles of KCl

= 44.7 ÷74.55

= 0.59960 mol (5 s.f.)

New volume

= 500 mL

= (500 ÷1000) L

= 0.5 L

Concentration after dilution

= 0.59960 ÷0.5

= 1.1992 mol/L

= 1.20 M (3 s.f.)

* M is the symbol for Molarity, which is also equal to mol/L

If 381 mL of 9.96 M LiCl is diluted with water to make 750 mL of solution calculate the molarity of the new solution.

Answers

Answer:

5.06 M LiCl

Explanation:

To find the new molarity of the solution, you need to (1) find the amount of moles LiCl (via the molarity equation using the original molarity and volume) and then (2) calculate the new molarity (via the molarity equation using the new volume and old moles). The final answer should have 3 sig figs to match the given values.

Molarity (M) = moles / volume (L)

Step (1)

381 mL / 1,000 = 0.381 L

Molarity = moles / volume

9.96 M = moles / 0.381 L

(9.96 M) x (0.381 L) = moles

3.79 = moles

Step (2)

750 mL / 1,000 = 0.750 L

Molarity = moles / volume

Molarity = 3.79 moles / 0.750 L

Molarity = 5.06 M

Please help !!!

Suppose there are 29.9 g of butane gas in a barbecue lighter. How many moles of butane gas is that ?

Answers

Hint use the T chart remember the given is always on the top left

Although these days many people have “self-cleaning” ovens, if your oven gets really dirty you may have to resort to one of the spray-on oven cleaner preparations sold in supermarkets. What evidence is there that such oven cleaners work by a chemical reaction?

Answers

Oven cleaners typically contain a layer of sodium hydroxide, which converts the greases and oils on the oven walls into soap, which can then be cleaned away more easily.

What is an oven?

A chamber used for baking, heating, or drying.

Self-cleaning ovens emit dangerous fumes into the air with an unpleasant burning smell. Self-cleaning ovens reach high temperatures and produce fumes from the cooking of food particles. These fumes circulate with the air and can affect the home substances.

Spray-on oven cleaner ovens contain a layer (sodium hydroxide), which converts the greases of the oven walls into soap, which can then be cleaned away more easily.

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4HCl(g)+O2(g)⟶2Cl2(g)+2H2O(g) Calculate the number of grams of Cl2 formed when 0.385 mol HCl reacts with an excess of O2. mass: g

Answers

The number of grams of Cl2 formed when 0.385 mol HCl reacts with an excess of O2 is 13.6675 g.

What are moles?

A mole is defined as 6.02214076 × [tex]10^{23}[/tex] of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

Given data:

Moles of hydrochloric acid = 0.385 mol

Mass of chlorine gas =?

Chemical equation:

4HCl +  O₂ → 2Cl₂  + 2H₂O

Now we will compare the moles of Cl₂ with HCl.

                 HCl           :               Cl₂

                   4             :               2

                0.385       :              2÷4× 0.385 = 0.1925 mol

Oxygen is present in excess that's why the mass of chlorine produced depends upon the available amount of HCl.

Mass of Cl₂ :

Mass of Cl₂ = moles × molar mass

Mass of Cl₂ =0.1925 mol × 71 g/mol

Mass of Cl₂ =  13.6675 g

Hence, the number of grams of Cl2 formed when 0.385 mol HCl reacts with an excess of O2 is 13.6675 g.

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Determine the mass of SO₂ that contains 6.075 × 10^26 S atoms.​

Answers

Avogadro's law states that in a mole of any substance, there are [tex]6.022 \times 10^{23}[/tex] atoms. This means that in the given sample, there are

[tex]\frac{6.075 \times 10^{26}}{6.022 \times 10^{23}}=1008.8010627 \text{ mol}[/tex]

The atomic mass of sulfur is 32.06 amu.The atomic mass of oxygen is 15.9994 amu.

So, the atomic mass of sulfur dioxide is

[tex]32.06+2(15.9994=64.0588 \text{ g/mol}[/tex]

Therefore, the mass is:

[tex](64.0588)(1008.8010627)=\boxed{64620 \text{ g (to 4 sf)}}[/tex]

A vessel with a volume of 25.1 L contains 2.80 g of nitrogen gas, 0.605 g of hydrogen gas, and 79.9 g of argon gas. At
25°C, what is the pressure in the vessel?
Select one:
a. 58.7 atm
b. 2.73 atm
c. 0.196 atm
d. 81.0 atm
e. 2.34 atm

Answers

2.73 atm is the pressure in the vessel. Hence, option B is correct.

What is an ideal gas equation?

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

PV=nRT, where n is the moles and R is the gas constant. Then divide the given mass by the number of moles to get molar mass.

Given data:

P= ?

V= 25.1 L

[tex]n= \frac{m}{molar \;mass \;of \;nitrogen} + \frac{m}{molar \;mass \;of \;hydrogen } +\frac{m}{molar \;mass \;of \;argon}[/tex]

[tex]n= \frac{2.80 g}{14} + \frac{0.605 g}{1} +\frac{79.9 g}{40}[/tex]

n= 2.8025

R= [tex]0.082057338 \;L \;atm \;K^{-1}mol^{-1}[/tex]

T=25°C + 273= 298 K

Putting value in the given equation:

[tex]\frac{PV}{RT}=n[/tex]

[tex]2.8025 = \frac{P\; X \;25.1 \;L}{0.082057338 \;L \;atm \;K^{-1}mol^{-1} X 298}[/tex]

P = 2.73 atm

2.73 atm is the pressure in the vessel. Hence, option B is correct.

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Please help. I’m confused on where to even start

Answers

Answer:

b

Explanation:

because it freezer in temperature

The answer is B.
im not sure why but i’m right

What is the rule when "ao" or "oo" are together when naming covalent bonds

Answers

They are converted into a single “o” when "ao" or "oo" are together when naming covalent bonds.

What is a covalent bond?

A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.

Sometimes, while naming the chemical compounds, a problem arises when compounds with “ao” and “oo” are written with -ide name. Conventionally, they are converted into a single “o”.

For example, the “ao” in the dichlorine hept-ao-xide ([tex]Cl_2O_7[/tex]). This “ao” in the [tex]Cl_2O_7[/tex] can be converted into “o”. As the result, the correct name of this compound would be dichlorine hept-o-xide.

Hence, they are converted into a single “o” when "ao" or "oo" are together when naming covalent bonds.

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At ground level, how are rain and hail similar?

They are forms of water in its liquid state.
They occur when the temperature is below freezing.
They can occur when the air is hot and moist.
They are most common in the winter.

Answers

They are forms of water in its liquid state at ground level. Thus, the correct option is A.

What is hailstrom?

Precipitation, or water in the atmosphere, forms hail. When water drops freeze together in the chilly higher parts of thunderstorm clouds, hail is the result.

When a water droplet is lifted by an updraft from a thunderstorm over the freezing point of the atmosphere, hail is created. The super-cooled water or water vapor that the frozen water droplet accretes later freezes when it comes into touch with it. A hailstone grows as a result of this process.

When water vapor from the atmosphere condenses into liquid water droplets, they become heavy enough to fall as a result of gravity.

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Answer:A

Explanation:

.

Explain how they would make solutions of the sulfuric acid at five different concentrations​

Answers

The sulfuric acid can be constituted into different concentrations using distilled water as a diluent.

What is dilution of acid?

Dilution of acid is defined as the decrease in the concentration of an acid using water.

For sulfuric acid to be diluted, it is slowly added to distilled water using the following guidelines:

Add 150 ml of water to the beaker and add the desired amount of acid. This will give a diluted concentration of the given acid.

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Which of the following tool components is unlikely to present a hazard

Answers

Gloves is the tool component which will unlikely present a hazard in this scenario.

What is Hazard?

This is referred to as potential source of harm when performing various types of activities.

Gloves will unlikely cause harm as it is used to prevent the risk of electric shock when handling electrical devices which is why it is the most appropriate choice.

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5. In an oxyacetylene welding torch, acetylene (C2H2) burns in pure oxygen with a very hot flame. The reaction is: 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O.

a. What is the mass of C2H2 that is consumed if 35.0 grams of oxygen is allowed to react?


b. How many milliliters of water will be produced when the 35.0 grams of oxygen from part a. above is allowed to react. The density of water is 1.0 gram

Answers

Answer:

[tex]a. \ \ \ \text{The mass of ethylene is 11.375 g}. \\ \\ b. \ \ \ \text{The volume of water produced is 7.875 ml}.[/tex]

Explanation:

a. According to the chemical equation for the combustion of ethylene, 5

   moles of oxygen are required to react with 2 moles of ethylene, hence

           [tex]m_{C_{2}H_{2}} \ = \ 35 \ \text{g} \ \times \ \displaystyle\frac{1 \ \text{mol}}{\left(2 \times 16 \right) \text{g}} \ \times \ \displaystyle\frac{2 \ \text{mol}}{5 \ \text{mol}} \ \times \ \displaystyle\frac{\left(12 \ \times \ 2 \ + \ 1 \ \times \ 2 \right) \ \text{g}}{1 \ \text{mol}} \\ \\ m_{C_{2}H_{2}} \ = \ 11.375 \ \text{g}[/tex]

b. Similarly, 5 moles of oxygen are required as a reactant to produce 2  

    moles of water, thus

             [tex]m_{H_{2}O} \ = \ 35 \ \text{g} \ \times \ \displaystyle\frac{1 \ \text{mol}}{\left(2 \times 16 \right) \text{g}} \ \times \ \displaystyle\frac{2 \ \text{mol}}{5 \ \text{mol}} \ \times \ \displaystyle\frac{\left(1 \ \times \ 2 \ + \ 16 \right) \ \text{g}}{1 \ \text{mol}} \\ \\ m_{H_{2}O} \ = \ 7.875 \ \text{g}[/tex]

      Given that the density of water is [tex]1.0 \ \text{g ml}^{-1}[/tex], therefore

                                               [tex]\rho_{H_{2}O} \ = \ \displaystyle\frac{m_{H_{2}O}}{V_{H_{2}O}} \\ \\ V_{H_{2}O} \ = \ \displaystyle\frac{m_{H_{2}O}}{\rho_{H_{2}O}} \\ \\ V_{H_{2}O} \ = \ \displaystyle\frac{7.875 \ \text{g}}{1.0 \ \text{g ml}^{-1}} \\ \\ V_{H_{2}O} \ = \ 7.875 \ \text{ml}[/tex]

11.375 g ethylene is consumed if 35.0 grams of oxygen is allowed to react and 7.875 ml of water will be produced when the 35.0 grams of oxygen is allowed to react.

What are moles?

A mole is defined as 6.02214076 ×[tex]10^{23}[/tex] of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

According to the chemical equation for the combustion of ethylene, 5

moles of oxygen are required to react with 2 moles of ethylene, hence

[tex]m_{_C_2_H_2}[/tex]  [tex]= 35gX \frac{1 mol}{(2 \;X\; 16)g } X \frac{2 mol}{(5\;mol )} X \frac{26g}{1 mol }[/tex]

[tex]m_{_C_2_H_2} = 11.375 g[/tex]

Similarly, 5 moles of oxygen are required as a reactant to produce 2 moles of water, thus

[tex]m_{_H_2_O} = 35gX \frac{1 mol}{(2 \;X\; 16)g } X \frac{2 mol}{(5\;mol )} X \frac{18g}{1 mol }[/tex]

[tex]m_{_H_2_O} = 7.875 g[/tex]

Given that the density of water is [tex]1.0g ml^{-1}[/tex], therefore

[tex]Density = \frac{Mass \;of \;water}{Volume \;of \;water}[/tex]

[tex]Volume \;of \;water = \frac{7.875}{1.0 g ml^{-1}}[/tex]

The volume of water = 7.875 ml

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Air pressure is measured in pascals. For a professional American football game, the ball should be inflated to about 90,000 pascals. Scientists studied the effects of air temperature on the pressure inside American footballs by taking these steps:

1. Prepare 100 footballs.
2. Measure each football's air pressure.
3. Divide footballs into 10 groups.
4. Place the groups in different lockers cooled to different air temperatures.
5. After 12 hours, remove the footballs from lockers.
6. Measure each football’s pressure again.
7. Compare the new pressures to the starting pressures.

What two terms best describe the variable "air pressure inside the football" in this experiment?

independent, qualitative
independent, quantitative
dependent, qualitative
dependent, quantitative

Answers

The variable "air pressure inside the football" in this experiment is quantitative and dependent variable. Hence, option D is correct.

What is the dependent variable?

The dependent variable is the variable that is being measured or tested in an experiment.

In the experiment, the scientist filled the footballs with fix quantity of pressure which was then kept for 12 hours. After 12 hours the pressure inside the footballs was again measured. Pressure here is a quantitative variable.

Since the air temperature is an independent variable. The pressure being the dependent variable depends upon the temperature of the air.

Independent variable; The variable which does not depends upon any other variable.

Dependent variable; The variable which depends upon the independent variable or varies with the change independent variable.

Qualitative variables are variables which cannot be expressed in form of numbers. They generally convey the characteristic, category, quality or type.

Whereas Quantitative variables are the variables which can be expressed in the form of numbers. These are the variables which exist along the continuous sequence.

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Select only one most suitable description

Answers

I believe it's a pure element

Balance the equation using the
correct coefficient

Answers

2Li + 2H2O____ 2LiaOH + 2H2

Answer:

2 Li + 2 H2O --> 2 LiaOH + 1 H2

Other Questions
A 60.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 20.0 m. (a) What is the centripetal acceleration of the child A 50 N force is applied to the free end of a spiral spring of force constant, 100 NmCalculate the work done by the force to stretch the spring. who were known as traders haida or maori ? Spanish ll Sem 2- (Please im in need rn)Il. Create a dialogue.Write a five-sentence dialogue that you might have with a clerk in a clothing store. Note the cues in italics.- Buenos das, en qu le puedo servir?- I want to try on these red pants, please.- Cmo le van?- Me quedan un poco grandes. Please bring me a smaller size.- Aqu estan los pantalones rojos en su talla.- S, pero los rojos no me gustan. Please bring me another color.- Me los quedo. Where is the cashier?- Son 49 euros.- Can I pay with a credit card?- S, por supuesto.Ill. Use the following words to write affirmative and negative t, Ud., or Uds.commands with double object pronouns.1. Traer / t / a mi / los pantalones.2. Escuchar / Uds. / al director.4. No decir / t / la sorpresa / a Mara.5. No ponerse / Uds. / los uniformes.6. Hacer / t / la cena / para Ana.7. Ir / Ud.8. Comprar / para m / t / zapatos.9. No escribir / t / una carta / al director.10. Pedir / Uds. / el cinturon / al vendedor. Solve for y.frankly im confusion a:4.53b.4c.7.47c.8 If the factors of quadratic function f are (x-7) and (x+3) what are the zeros of function g? The essence of a broad differentiation strategy is to a. appeal to the high-end part of the market and concentrate on providing a top-of-the-line product to consumers. b. incorporate a greater number of differentiating features into its product/service than rivals. c. lower buyer switching costs. d. outspend rivals on advertising and promotion in order to inform and convince buyers of the value of its differentiating attributes. e. offer unique product attributes in ways that are valuable and appealing and that buyers consider the cost worth it. Jose rides his bike for 5 minutes to travel 8 blocks he rides for 10 minutes to travel 16 blocks which value will complete the table Challenger Deep is a feature of_____ Ocean. One number is six times another number. Determine the two numbers if the sum of their reciprocals is 7/24. place events related to the iranian Revolution in chronological order I need help with this question The Math Club has 23 members and needs to elect officers. They will need a President, Vice President, Secretary, and Treasurer. How many ways can a 4-member committee be formed? Read the excerpt from "The Weary Blues."Ain't got nobody in all this world,Ain't got nobody but ma self.I's gwine to quit ma frownin'And put ma troubles on the shelf.What is the effect of repeating the phrase "ain't got nobody" in the poem?O It emphasizes the theme of sorrow and melancholy in thepoem.O It illustrates the singer's reluctance to perform the blues. It shows the singer's desire to connect to other musicians. It personifies the singer's thoughts and emotions. When would you want a submersible watch?a. when you're going swimmingb. when you're going horse back riding The table below shows the electronegativity values of various elements on the periodic table.Electronegativities1215 16 17243A 4A 5A 6A 7ALi Be8F1.0 1.52.0 2.5 3.0 3.5 4.0Na MgP0.9 1.21.5 1.8 2.1 2.5 3.0KCaGe As Se Br1.8 2.0 2.4 2.80.8 1.0Rb Sr2.50.8 1.0Cs Ba0.7 0.9Which pair of elements would form an ionic bond?O carbon (C) and oxygen (0)H2.1aON00O For the following function y = f(x) = 4x^3 - 5I worked out this Calculus problem, but I keep getting 1/-432 for part c. Can anyone work out the problem step-by-step so I can understand what Im doing wrong? It would be greatly appreciated. Mr. Schultz was still working when he first qualified for medicare. At that time, he had employer group coverage that was creditable. During his initial part d eligibility period, he decided not to enroll because he was satisfied with his drug coverage. It is now a year later and mr. Schultz has lost his employer group coverage within the last two weeks. How would you advise him?. A forested area contains deer, wolves, blue jays, squirrels, and many plant species including the staple diet of the deer. Alfalfa. Duringthe construction of a mall nearby, humans have changed the flow of water in the area, drying up a stream that feeds the major patches ofAlfalfa. What will likely happen in this environment?1. The deer population will shrinkII. The wolf population will shrinkIII. The blue jay population will increaseIV. The squirrel population will migrate to a new locationA. I, II and IVB. Just IVC. I and IIID. I and II Which term describes an ordinary or working man who supported the Republic during the time ofthe French Revolution? please please please help me