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puteri [66]
3 years ago
12

How many liters of nitrogen gas is produced if 50.0L of water is produced at STP?

Chemistry
1 answer:
Alona [7]3 years ago
8 0

Answer:

  • <u>25.0 liter of nitrogen gas</u>

Explanation:

<u>1. Chemical equation</u>

Ammonium nitrite is a solid compound that decomposes into nitrogen gas and water vapor as per this chemical equation:

          NH_4NO_2(s)\rightarrow N_2(g)+2H_2O(g)

<u>2. Mole ratio</u>

       1molN_2(g)/2molH_2O(g)

<u>3. Volume ratio</u>

Since, both species are gases and are at same temperature and pressure, the volume ratio is equal to the mol ratio.

Thus, the volume ratio is:

      1literN_2(g)/2literH_2O(g)

<u>4. Use the volume ratio with the known amount of water produced</u>

      50.0literH_2O(g)\times 1literN_2(g)/2literH_2O(g)=25.0literN_2(g)

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Answer:

b. a new gas is observed in the form  of bubbles

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4 0
3 years ago
4. Balance the following chemical equation. Say what the coefficients "a"
lisabon 2012 [21]

Answer:

a = 4

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Explanation:

<u>SOLUTION :-</u>

Balance it by using 'hit & trial' method , and you'll get the answer :-

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⇒ a = 4 ; b = 3

<u></u>

<u>VERIFICATION :-</u>

<em>In reactant side of equation :-</em>

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  • Number of atoms in O = 2×3 = 6
  • Number of atoms in C = 3×1 = 3

<em>In product side of equation :-</em>

  • Number of atoms in Fe = 4×1 = 4
  • Number of atoms in C = 3×1 = 3
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Number of atoms of each element is equal in both reactant & product side of equation. Hence , the equation is balanced.

6 0
3 years ago
How many grams would 1.00 billion atoms of sulfur weigh
Zielflug [23.3K]

Answer:

m_S=5.31x10^{-14}gS

Explanation:

Hello,

In this case, by knowing that we have 1 billion ( 1,000,000,000) of atoms of sulfur, via the Avogadro's number we can firstly compute the moles:

n_S=1,000,000,000atoms*\frac{1mol}{6.022x10^{23}atoms}\\\\ n_S=1.66x10^{-15}molS

Then, by using the atomic mass of sulfur (32 g/mol), we can finally compute the mass:

m_S=1.66x10^{-15}molS*\frac{32gS}{1molS}\\ \\m_S=5.31x10^{-14}gS

Best regards.

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