Delta H_(f) or BaCO _(3 (s)), CO _(2(g)), HCl _((aq)) and H _(2) O _((l))respectively are -1216, -393, -176 and - 286 KJ//mol. Then Delta H _(f) of BaCl _(2 (aq)) from BCo _(3 (s)) + 2HCl _((aq)) to BaCl _(2 (aq)) + CO _(2 (g)) + H _(2) O_((l))’ Delta H =- QKJ

Delta H_(f) or BaCO _(3 (s)), CO _(2(g)), HCl _((aq)) and H _(2) O _((

1.	Delta H_(f) or BaCO _(3 (s)), CO _(2(g)), HCl _((aq)) and H _(2) O _((l))respectively are -1216, -393, -176 and - 286 KJ//mol. Then Delta H _(f) of BaCl _(2 (aq)) from BCo _(3 (s)) + 2HCl _((aq)) to BaCl _(2 (aq)) + CO _(2 (g)) + H _(2) O_((l))’ Delta H =- QKJ
Answer» `(889-Q)KJ` `(Q+889)KJ` `-(Q+889)KJ` `(Q-889)KJ` ANSWER :C