Calculate the Amount (Mass)of Acetaldehyde (Cs1u1b12s1u1b0hs1u1b14s1u1b0o,molar Mass = 44.

Question 35
Multiple Choice

Calculate the amount (mass)of acetaldehyde (C2H4O,molar mass = 44.0526 g mol-1)that causes a bomb calorimeter with a heat capacity of 12.91 kJ °C-1 to have a temperature increase from 27.8 °C to 41.7 °C.The DrU for the combustion of acetaldehyde is -1166.9 kJ mol-1. A)6.77 g B)8.67 g C)4.29 g D)7.30 g E)5.55 g