Solved

Calculate the Heat Released (KJ) in the Reaction of 3 \rarr

Question 99

Multiple Choice

Calculate the heat released (kJ) in the reaction of 3.50 g of acetylene (C2H2) and excess hydrogen gas to form ethane gas: C2H2(g) + 2H2(g) \rarr C2H6(g)
Given:
2C2H2(g) + 5O2(g) \rarr 4CO2(g) + 2H2O(g) Δ\Delta H = -2320 kJ/mol
2C2H6(g) + 7O2(g) \rarr 4CO2(g) + 6H2O(g) Δ\Delta H = -3040 kJ/mol
2H2(g) + O2(g) \rarr 2H2O(g) Δ\Delta H = -572 kJ/mol


A) 27.5 kJ
B) 28.5 kJ
C) 29.5 kJ
D) 30.5 kJ
E) None of the above

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions