Question

give an two ex of endothermic reaction with chemical formula

Answer 1

NH4Cl(s) + H2O(l) --> NH4Cl(aq) - heat


C(s) + 2S(s) [Math Processing Error] CS2(g) [Math Processing Error]H = + 92.0 KJ

SnO2(g) + 2C(s)-->Sn(s) + 2CO2(g) +H

Answer 2

(i). 2HgO(s) + heat -------> 2Hg(l) + O2(g)
mercuric oxide. mercury oxygen
(ii). NH4Cl(s) + heat -------> NH3(g) + HCl(g)
ammonium. ammonia. hydrocloric
cloride acid


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