2 years ago

N₂(g) + 3H₂(g) → 2NH3(g)

Chemistry

1 answer:

lara [203]2 years ago

6 0

Answer:

669 Liters

Explanation:

From the equation, it takes 3/2 as much hydrogen as ammonia gas

3/2 * 446 = 669 Liters of H2 gas

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An aqueous solution containing 10 g of an optically pure compound was diluted to 500 mL with water and was found to have a speci

lapo4ka [179]

Answer:

Optical purity = 76.9231 %

Specific rotation of mixture = - 97.6923 °

Explanation:

The mass of the racemic mixture = 3 g

It means it contains R enantiomer = 1.5 g

S enantiomer = 1.5 g

Amount of Pure R = 10 g

Total R = 11.5 g

Total volume = 500 mL + 500 mL = 1000 mL = 1 L

[R] = 11.5 g/L

[S] = 1.5 g/L

Enantiomeric excess = $\frac {Excess}{Total\ Concentration}\times 100$ = $\frac {11.5-1.5}{11.5+1.5}\times 100$ = 76.9231 %

Optical purity = 76.9231 %

Also,

Optical purity = $\frac {optical\ rotation\ of\ mixture}{optical\ rotation\ of\ pure\ enantiomer}\times 100$

Optical rotation of pure enantiomer = −127 °

$76.9231=\frac {optical\ rotation\ of\ mixture}{-127^0}\times 100$

Specific rotation of mixture = - 97.6923 °

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3 years ago

What is the chemical formula for the binary compound nitrogen dioxide?

-Dominant- [34]

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2 years ago

What is the ph of the benzoic acid solution prior to adding sodium benzoate?

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The acid dissociation constant of benzoic acid is 6.5 x 10^-5. Therefore, the pH of the benzoic acid solution prior to adding sodium benzoate is:

pH = -log[Ka]
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The pH of the benzoic acid solution is 4.19 which is acidic, but a weak acid.

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