ch8q4

ch8q4


For the reaction
A 2B ; H = 100 kJ
while for the reaction
B + C D ; H = 230 kJ
What is the H for the reaction
A + 2C 2D
assuming that A, B, C and D are all gases.

Choose your answer in scientific notation, e.g., ±1.000x10±00
. x 10{ }

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