Calculate the Change in Energy, in Kilojoules Per Mole, for the Transmutation

question 5

Multiple Choice

Calculate the change in energy, in kilojoules per mole, for the transmutation of radium from the given molar masses:

• A) -4.7  10⁸ kJ/mol
• B) -4.7  10¹⁴ kJ/mol
• C) +1.6  10⁸ kJ/mol
• D) -1.6 kJ/mol
• E) -5.2 kJ/mol

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Definitions:

Journal Entry

A record in accounting that logs a transaction and shows the affected accounts in the form of debits and credits.

Debits

Accounting entries that increase assets or expenses and decrease liabilities, equity, or revenue, recorded on the left side of accounting ledgers.

Credits

Accounting entries that increase liabilities or decrease assets, or record income in double-entry bookkeeping.