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mylen [45]
2 years ago
8

How can a chemical reaction be sped up?Select from the drop-down menu to correctly complete the statement.

Chemistry
2 answers:
viktelen [127]2 years ago
8 0

Answer: Temperature

Explanation:

RoseWind [281]2 years ago
6 0

Answer:

Concetration

Explanation:

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How many grams of NH3 can be produced from 12.0g of H2?
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Answer:

Balanced reaction:

3 H2 (g)  + N2 (g)  → 2 NH3 (g)

Use stoichiometry to convert g of H2 to g of NH3.  The process would be:

g H2 → mol H2 → mol NH3 → g NH3

12.0 g H2 x (1 mol H2 / 2.02 g H2) x (2 mol NH3 / 3 mol H2) x (17.03 g NH3 / 1 mol NH3) = 67.4 g NH3

Explanation: See above

Hope this helps, friend.

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12. What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?
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