Multiple Choice
Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) 8CO(g) + 8CO2(g) + 18H2O(l) .
Given:
2C8H18(l) + 25O2(g) 16CO2(g) + 18H2O(l) H° = -11,020 kJ/mol
2CO(g) + O2(g) 2CO2(g) H° = -566.0 kJ/mol
A) 1.0454 * 104 kJ/mol
B) -8,756 kJ/mol
C) 1.1586 * 104 kJ/mol
D) -6,492 kJ/mol
E) -1.0454 * 104 kJ/mol
Correct Answer:

Verified
Correct Answer:
Verified
Q19: Calculate the amount of work done
Q46: Given the following <span class="ql-formula"
Q47: An exothermic reaction causes the surroundings to<br>A)warm
Q48: The total heat of hydration of 1
Q50: Ozone (O<sub>3</sub>)in the atmosphere can be
Q52: In an endothermic process, heat is absorbed
Q56: A gas is compressed in a cylinder
Q90: How many grams of ethylene (C<sub>2</sub>H<sub>4</sub>)would
Q92: A 26.2 g piece of copper metal
Q97: Suppose a 50.0 g block of silver