For the Reaction CuS(s)+ H₂(g) H₂S(g)+ Cu(s) $\Delta$ G°_f (CuS)= -53

question 57

Short Answer

For the reaction CuS(s)+ H₂(g) H₂S(g)+ Cu(s),
$\Delta$ G°_f (CuS)= -53.6 kJ/mol
$\Delta$ G°_f (H₂S)= -33.6 kJ/mol
$\Delta$ H°_f (CuS)= -53.1 kJ/mol
$\Delta$ H°_f (H₂S)= -20.6 kJ/mol
Calculate $\Delta$ G at 798 K and 1 atm pressure (assume $\Delta$ S° and $\Delta$ H° do not change with temperature).

Identify which accounts are closed at the end of the accounting period and which are not.

Recognize the sequential order of the accounting cycle's final stages.

Differentiate between the types of accounts that are included in the post-closing trial balance.

Understand the purpose and components of the post-closing trial balance.

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