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Enthalpy Stoichiometry

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Enthalpy Stoichiometry

Froggy Jumps

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Played 23

About this activity

Answer the following Questions. You do not have to submit work

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Enthalpy Stoichiometry
 

Froggy Jumps

Enthalpy StoichiometryOnline version

Answer the following Questions. You do not have to submit work

by Felicia Jackson
1

C + O₂ → CO₂  ΔH = –393.5 kJ How much heat is released when 24.0 g of carbon reacts with excess oxygen?

2

2H₂ + O₂ → 2H₂O  ΔH = –571.6 kJ How much heat is released when 5.0 moles of H₂ react completely?

3

N₂ + 3H₂ → 2NH₃  ΔH = –92.2 kJ How much heat is released when 10.0 g of N₂ reacts with excess hydrogen?

4

4. CH₄ + 2O₂ → CO₂ + 2H₂O  ΔH = –890.3 kJ How much heat is released when 2.5 moles of CH₄ are burned?

5

2Mg + O₂ → 2MgO  ΔH = –1203.6 kJ How much heat is released when 12.0 g of Mg reacts completely?

6

2KClO₃ → 2KCl + 3O₂  ΔH = +89.6 kJ How much heat is absorbed when 15.0 g of KClO₃ decomposes?

7

H₂ + Cl₂ → 2HCl  ΔH = –184.6 kJ If 92.3 kJ of heat is released, how many moles of HCl are produced?

8

CaCO₃ → CaO + CO₂  ΔH = +178.3 kJ How much heat is required to decompose 50.0 g of CaCO₃?

9

CH₄ + 2O₂ → CO₂ + 2H₂O + 890 kJ

10

2KClO₃ + 89.6 kJ → 2KCl + 3O₂

11

C + O₂ → CO₂  ΔH = –393.5 kJ

12

CaCO₃ → CaO + CO₂  ΔH = +178.3 kJ

13

2H₂ + O₂ → 2H₂O + 571.6 kJ

14

N₂ + O₂ + 180.5 kJ → 2NO

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