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bonufazy [111]
3 years ago
9

Ammonia (NH3) is produced in the human body as a waste product during the digestion of protein. How many moles of N2 will be nee

ded to produce 87.00 grams of NH3?
N2 + 3 H2 ® 2 NH3
Chemistry
1 answer:
Bad White [126]3 years ago
3 0

Answer:

43.5

Explanation:

there are 43.5 moles of N2

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The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by doing a famous experiment in 17
yawa3891 [41]

Answer:

a. 2 HgO(s) ⇒ 2 Hg(l) + O₂(g)

b. 0.957 g

Explanation:

Step 1: Write the balanced equation

2 HgO(s) ⇒ 2 Hg(l) + O₂(g)

Step 2: Convert 130.0 °C to Kelvin

We will use the following expression.

K = °C + 273.15

K = 130.0°C + 273.15

K = 403.2 K

Step 3: Calculate the moles of O₂

We will use the ideal gas equation.

P × V = n × R × T

n = P × V/R × T

n = 1 atm × 0.0730 L/0.0821 atm.L/mol.K × 403.2 K

n = 2.21 × 10⁻³ mol

Step 4: Calculate the moles of HgO that produced 2.21 × 10⁻³ moles of O₂

The molar ratio of HgO to O₂ is 2:1. The moles of HgO required are 2/1 × 2.21 × 10⁻³ mol = 4.42 × 10⁻³ mol.

Step 5: Calculate the mass corresponding to 4.42 × 10⁻³ moles of HgO

The molar mass of HgO is 216.59 g/mol.

4.42 × 10⁻³ mol × 216.59 g/mol = 0.957 g

5 0
3 years ago
If 12 moles of Al2O3<br> are produced, how many moles of aluminum reacted?
Mandarinka [93]

Answer:

if 12 moles are produced then it came 24 moles of Al(OH)3

Explanation:

6 0
2 years ago
How do scientist learn about the mantle and core of the earth
exis [7]
They drill too deep and find lava
5 0
2 years ago
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What part of the underside of a geckos feet allows it to stick to surfaces ?
belka [17]

Answer:

the foot is an intricate part of the body, consisting of 26 bones, 33 joints, 107 ligaments and 19 muscles

Explanation:

I hope it helps you ✌

4 0
2 years ago
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A gas sample occupies 200 mL at 760 mm Hg. What volume does the gas occupy at 400 mm Hg?
astra-53 [7]

Answer:

201.9

Explanation:

when you divided 760 with 400 yo get 19.0 the add it with 200 you get that answer

3 0
3 years ago
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