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2 years ago

2. What are the factors that influence the two types of energy?

Chemistry

1 answer:

VikaD [51]2 years ago

3 0

Answer:

It depends on the objects mass, the gravitational pull when up or down slopes, and the height of the reference point

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Someone please walk me through this. I googled way too much this semester and I'm paying for it on this test. Just tell me how t

alex41 [277]

Answer:

Explanation:

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3 years ago

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At the start of a reaction, there are 0.0249 mol N2,

gladu [14]

Answer:

Explanation:

The reaction is given as:

$N_{2(g)} + 3H_{2(g)} \to 2NH_{3(g)}$

The reaction quotient is:

$Q_C = \dfrac{[NH_3]^2}{[N_2][H_2]^3}$

From the given information:

TO find each entity in the reaction quotient, we have:

$[NH_3] = \dfrac{6.42 \times 10^{-4}}{3.5}\\ \\ NH_3 = 1.834 \times 10^{-4}$

$[N_2] = \dfrac{0.024 }{3.5}$

$[N_2] = 0.006857$

$[H_2] =\dfrac{3.21 \times 10^{-2}}{3.5}$

$[H_2] = 9.17 \times 10^{-3}$

∴

$Q_c= \dfrac{(1.834 \times 10^{-4})^2}{(0.0711)\times (9.17\times 10^{-3})^3} \\ \\ Q_c = 0.6135$

However; given that:

$K_c = 1.2$

By relating $Q_c \ \ and \ \ K_c$ , we will realize that $Q_c \ \ < \ \ K_c$

The reaction is said that it is not at equilibrium and for it to be at equilibrium, then the reaction needs to proceed in the forward direction.

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3 years ago

List two structures that have similar functions in plants and animals.how are they different

Aleks [24]

I hope this can help you

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3 years ago

*10 points* PLS HELP!!!!!!!!!!!!!!!!

CaHeK987 [17]

Aluminum foil I think but if not goodluck :)

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3 years ago

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A reaction rate assay measures enzyme _______________; and a colorimetric endpoint assay measures ________________.

VMariaS [17]

Answer:

The correct option is: A. activity; concentration

Explanation:

A reaction rate essay is a laboratory method to determine the activity of an enzyme. It is necessary for determining the enzyme kinetics and inhibition.

Whereas, a colorimetric analysis is a method to determine the concentration of a chemical compound in a solution. Therefore, a colorimetric endpoint assay measures the concentration.

Therefore, Enzyme activity is measured by a reaction rate assay and the concentration is measured by a colorimetric endpoint assay.

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3 years ago

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