Multiple Choice
Calculate the average H-S bond enthalpy in H2S(g) given the standard enthalpies of formation for H2S(g) ,H(g) ,and S(g) : -20.1,218,and 223 kJ.mol-1 ,respectively.
A) 340 kJ.mol-1
B) 231 kJ.mol-1
C) 10.1 kJ.mol-1
D) 679 kJ.mol-1
E) 461 kJ.mol-1
Correct Answer:

Verified
Correct Answer:
Verified
Q12: At constant pressure and temperature, which
Q13: The combustion of 1 mole of ethanol,C<sub>2</sub>H<sub>5</sub>OH(l),in
Q15: The formation of solid calcium chloride from
Q16: In a system composed of nitrogen
Q19: Given the following standard reaction enthalpies:
Q24: Calculate the change in internal energy when
Q85: An isothermal change is one that occurs
Q117: What type of process is the formation
Q122: For most reactions,the value of
Q187: What can an isolated system exchange with