Asked by K C
The value of H° for the reaction below is -186 kJ. Calculate the heat (kJ) released when 25.0 g of HCl is produced.
H2(g) + Cl2(g) -> 2 HCl(g)
H2(g) + Cl2(g) -> 2 HCl(g)
Answers
Answered by
DrBob222
molar mass HCl is 36.5 so 2HCl = 73
So you get 186 kJ for 73 g HCl. You want to know kJ for 25.0 g. That's
186 kJ x (25.0/73) = ?
So you get 186 kJ for 73 g HCl. You want to know kJ for 25.0 g. That's
186 kJ x (25.0/73) = ?
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