May 2021 1 148 Report
Stoichiometry chemistry?

With some halogens, diborane (B2H6 ) forms trihalides even at low temperatures:

B2H6(g) + 6Cl2 (g) => 2BCl3 (g) + 6HCl(g) Δ Hrxn = –755.4 kJ

How much heat is evolved per kilogram of diborane that reacts?

Please help cause I try and try and still couldn't find out. The answer is 2.73 x 10^4 KJ

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