A) What is the Hrxno in (kJ) for thereaction below, given the relevant table on the info sheet. PbO(s)+ 2HBr(g) ---> PbBr2(s)+H2O(g).
a) -273
b) -229
c) -265
d) Not enough information provided.
B. What is the Hrxno in (kJ) for2PbBr2(s) + 2H2O(g) ---> 2PbO(s) +4HBr(g)using the thermochemical equation in part A.
a) 545
b) 530
c) 458
d) 229
