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2 years ago

PLEASE HELP PLEASE

Chemistry

1 answer:

UNO [17]2 years ago

7 0

Answer:

Oxidizes in air

Explanation:

When water boils, it is still water, just in a different state. solubility and mass are not chemical properties because they don't involve chemical reactions or changing the identity of a substance.

Please mark brainliest!!! Thanks.

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Here "outstanding" means.

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2 years ago

What is the name of the compound Ba(CIO3)2

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3 years ago

At 500°C the equilibrium constant, Kp, is 4.00 × 10–4 for the equilibrium: 2HCN(g) H2(g) + C2N2(g) What is Kp for the following

Andrews [41]

<u>Answer:</u> The value of $K_p$ for the equation is $2.5\times 10^3$

<u>Explanation:</u>

The given chemical reaction is:

$2HCN(g)\rightleftharpoons H_2(g)+C_2N_2(g);K_1$

The chemical equation for which the equilibrium constant is to be calculated follows:

$H_2(g)+C_2N_2(g)\rightleftharpoons 2HCN(g);K_p$

As, the equation is the result of the reverse of given reaction. So, the equilibrium constant for the equation will be the inverse of equilibrium constant for the given reaction.

The value of equilibrium constant for the equation is:

$K_p=\frac{1}{K_1}$

We are given:

$K_1=4.00\times 10^{-4}$

Putting values in above equation, we get:

$K_p=\frac{1}{4.00\times 10^{-4}}=2.5\times 10^3$

Hence, the value of $K_p$ for the equation is $2.5\times 10^3$

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3 years ago

How many moles of h2so4 will be produced from 8.21 moles of fes2?

Ierofanga [76]

Well, if the coefficients are both 1, then you will make 8.21 moles.

See the equation is:

x moles= (8.21mol FeS₂)×(1 mole H₂SO₄ ÷ 1 mole FeS₂) = 8.21 moles H₂SO₄

So if you change the coefficients of the equation, your product will be a different number.

Example:
x moles= (8.21mol FeS₂)×(2 mole H₂SO₄ ÷ 1 mole FeS₂) = 16.4 moles H₂SO₄

I hope this helps you out!
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