71. (v21-102-5) Quyidagi termokimyoviy reaksiya tenglamasidan foydalanib CS2 hosil bolish standart entalpiyasini aniqlang:
CS2(g) + 302(g) = 2S02(g) + C02(g) + 1075,0 kJ (AHhoS(C02) = -393,5 kJ/mol;
AHhos(S02) = -297 kJ/mol).
A)+87,5
B) -20,3
71. (v21-102-5) Quyidagi termokimyoviy reaksiya tenglamasidan foydalanib CS2 hosil bolish standart entalpiyasini aniqlang:
CS2(g) + 302(g) = 2S02(g) + C02(g) + 1075,0 kJ (AHhoS(C02) = -393,5 kJ/mol;
AHhos(S02) = -297 kJ/mol).
A)+87,5 B) -20,3 C) -87,5 D)+20,3