The Enthalpy of Formation of H₂O(l)is −285

question 1

Multiple Choice

The enthalpy of formation of H₂O(l) is −285.8 kJ/mol.What is the enthalpy change if 1.62 g H₂(g) reacts with 9.21 g O₂(g) to form H₂O(l) ?

• A) −229 kJ
• B) −165 kJ
• C) −107 kJ
• D) −45.5 kJ
• E) −31.0 kJ

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Definitions:

Debits

Accounting entries that increase assets or expenses or decrease liabilities or equity on a company's balance sheet.

Credits

Accounting entries that increase liabilities or equity or decrease assets, representing the opposite effect of debits in the double-entry bookkeeping system.

Contra Account

An account used in the general ledger to reduce the value of a related account when the two are netted together.

IFRS

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