2 years ago

I have searched for hours and have had no success finding the answer. Please help!

Chemistry

1 answer:

Ronch [10]2 years ago

3 0

The answer you are looking for is B.

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7. Large Intestine and chemical digestion
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hopefully this is correct

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2 years ago

You determined that Cr2O3 is the limiting reactant in the reaction below. If the reaction begins with85.00 grams of Cr2O3 and157

soldi70 [24.7K]

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3 years ago

- Which of the following statements is false? An increase in temperature will

padilas [110]

the false statements are a, and e (not sure about e but think a is false)

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2 years ago

What is different about pure and mixtures

Naddik [55]

Answer:

Pure substances cannot be separated into any other kinds of matter, while a mixture can

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2 years ago

Consider the following equilibrium:

Ainat [17]

<u>Answer: </u>The equation which is wrong is $K_p=K_c(RT)^{-5}$

<u>Explanation:</u>

For the given reaction:

$4Fe(s)+3O_2(g)\rightarrow 2Fe_2O_3(s)$

The expression for $K_c\text{ and }K_p$ is given by:

$K_c=\frac{1}{[O_2]^3}$

$K_p=\frac{1}{[O_2]^3}$

The concentration of solids are taken to be 1, only concentration of gases and liquid states are taken. The pressure of only gases are taken.

Relationship between $K_p\text{ and }K_c$ is given by the expression:

$K_p=K_c\times (RT)^{\Delta n_g}$

where,

$\Delta n_g$ = number of moles of gaseous products - number of moles of gaseous reactants

R = gas constant

T= temperature

For the above reaction,

$\Delta n_g$ = number of moles of gaseous products - number of moles of gaseous reactants = 0 - 3 = -3

Hence, the expression for $K_p$ is:

$K_p=K_c\times (RT)^{-3}$

Therefore, the equation which is wrong is $K_p=K_c(RT)^{-5}$

7 0

2 years ago