The number of endothermic process/es from the following is ______________. A. I_2( g) -> 2 I( g) B. HCl( g) -> H( g)+ Cl( g) C. H_2 O( l) -> H_2 O( g) D. C( s)+ O_2( g) -> CO_2( g) E. Dissolution of ammonium chloride in water

I_2 -> 2 I, Delta H=+ ve HCl -> H+ Cl, Delta H=+ ve H_2 O_(1) -> H_2 O( g) ; Delta H=+ ve C+ O_2 -> CO_2 Delta H=- ve NH_4 Cl+ H_2 O -> soln, Delta H=+ ve

The number of endothermic processes from the following ... | (Chemistry)

The number of endothermic process/es from the following is ______________.

A. $\mathrm{I}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{I}(\mathrm{g})$

B. $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}(\mathrm{g})+\mathrm{Cl}(\mathrm{g})$

C. $\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{H}_{2} \mathrm{O}(\mathrm{g})$

D. $\mathrm{C}(\mathrm{s})+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}_{2}(\mathrm{~g})$

E. Dissolution of ammonium chloride in water

Explanation

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