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Sedbober [7]
3 years ago
15

VOCABULARY 1. What is an ideal gas?

Chemistry
1 answer:
noname [10]3 years ago
7 0

Answer:

a hypothetical gas whose molecules occupy negligible space and have no interactions, and which consequently obeys the gas laws exactly.

Explanation:

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True should be correct
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What is Kb for N2H4 if the pH of a 0.158M solution of N2H5Cl is 4.5?
olasank [31]

Answer:

Kb= 1.58 * 10^{-6}

Explanation:

The correct question is

What is Kb for N2H4 if the pH of a 0.158M solution of N2H5Cl is 4.5?

Solution-

N2H4Cl hydrolyses on addition of water

The reaction equation is as follows -

N2H4+ + H2O ----> N2H4 + H3O+

Ka = \frac{K_w}{K_b} = \frac{10^{-14}}{K_b}

pH = 4.5

[H+] = 10^{-pH} = 10^{-4.5}

K_b=  \frac{10^{-14} }{K_b} =  \frac{Y_2}{0.158}  \\K_b= \frac{(10^{-4.5})^2}{0.158}\\=> Kb = 0.158 * 10-14 /(10-4.5)2

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2 years ago
What r some important things in this paragraph ????
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Keeping your arm straight in front of you, you rotate 90° to your left, and see the left side of the circle lit while the right side is dark. Half the ball is still lit up, but you can see only part of the lit area. As you continue to rotate, you see a different amount of the ball.

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Explanation:

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Hence, compound A will be Acetic acid.

CH_3OH + CO_2 +H_2 → CH_3COOH + H_2O

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    3. CH_3COOH + NaHCO_3 → CH_3COONa +CO_2 +H_2O

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