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Author Question: For the reaction H2(g) + 1/2 O2(g) H2O(g) rH = -241.8 kJ/mol, what mass of H2(g) is required to ... (Read 14 times)

debasdf

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Question 1

For a process at constant pressure, 49,600 calories of heat are released. This quantity of heat is equivalent to:
◦ 4.82 × 10-6 J
◦ 1.19 × 104 J
◦ 1.24 × 104 J
◦ 2.08 × 105 J

Question 2

For the reaction H2(g) + 1/2 O2(g) → H2O(g)  Δr = -241.8 kJ/mol,
what mass of H2(g) is required to liberate 1.00 × 103 kJ of heat?
◦ 66.2 g
◦ 4.17 g
◦ 8.34 g
◦ 2.05 g
◦ 16.7 g


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Marked as best answer by debasdf on Jul 8, 2021

anoriega3

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debasdf

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Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it


xthemafja

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Reply 3 on: Yesterday
Excellent

 

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