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nalin [4]
3 years ago
10

The balanced chemical equation, 2NO (g) + 5H2 (g) (Arrow pointing this way >>) 2NH3 (g) + 2H2O (g), can be expressed in wo

rds as:
Nitrogen dioxide gas plus hydrogen gas yields ammonia gas plus water

Nitrogen monoxide gas plus hydrogen gas yields ammonia gas plus water vapor

Nickel monoxide gas plus hydrogen gas yields nitrogen trihydride plus water

Nitrogen oxide gas plus hydrogen gas yields ammonia gas plus water vapor

I think it's either B, or D. I can't figure out which one it is though. Please help.
Chemistry
2 answers:
MArishka [77]3 years ago
7 0

Answer:

B) Nitrogen monoxide gas plus hydrogen gas yields ammonia gas plus water vapor

Explanation:

The given reaction is:

2NO(g) + 5H_{2}(g)\rightarrow 2NH_{3}(g)+ 2H_{2}O(g)

Here the chemical names of the reactants are:

NO = nitric oxide or nitrogen monoxide in gas phase

H2 = hydrogen gas

NH3 = ammonia in gas phase

H2O = water in gas phase i.e. vapor

Therefore the reaction can be expressed in words as:

Nitrogen monoxide gas plus hydrogen gas yields ammonia gas plus water vapor

PolarNik [594]3 years ago
5 0
Both B AND D are correct and same
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What is the mass,in grams, of 2.75 L of CO2 gas
frez [133]

Answer:

mass of CO₂ = 5.402 g

Explanation:

At STP, 1 mole of any gas takes up 22.4L of volume

Thus, 1 mole = 22.4 L

1 L = 1 mole ÷ 22.4

Therefore, 2.75 L = 2.75 mole ÷ 22.4 = 0.123 moles

Molecular weight of CO₂ = 44 g/mole

mass of CO₂ = molecular weight * number of moles = 44 g/mole * 0.123 moles

mass of CO₂ = 5.402 g

3 0
3 years ago
4. Why does the metallic character of the alkaline earth metals increase as you go down the
tino4ka555 [31]

As you proceed down the periodic table, the metallic character becomes stronger. This is because as the atomic radius increases, there is less attraction between the nucleus and the valence electrons due to the greater distance between them, making electrons simpler to shed.

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2 years ago
Given a molecular formula, how would you calculate the molecular weight of a compound
Dominik [7]
Https://www.youtube.com/watch?v=J_MtVs0aBdU

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8 0
3 years ago
Please help, please don’t answer links
lakkis [162]

Answer:

0.093 mole of C₆H₁₂.

Explanation:

We'll begin by calculating the molar mass of C₆H₁₂. This can be obtained as follow:

Molar mass of C₆H₁₂ = (12×6) + (12×1)

= 72 + 12

= 84 g/mol

Finally, we shall determine the number of mole in 7.8 g of C₆H₁₂. This can be obtained as follow:

Molar mass of C₆H₁₂ = 84 g/mol

Mass of C₆H₁₂ = 7.8 g

Mole of C₆H₁₂ =?

Mole = mass / molar mass

Mole of C₆H₁₂ = 7.8 / 84

Mole of C₆H₁₂ = 0.093 mole

Thus, 7.8 g contains 0.093 mole of C₆H₁₂.

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Answer:

And contains 22 electrons

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