Determine Δ_soluteH for KBr If the Δ_solutionH for KBr Is

question 129

Multiple Choice

Determine Δ_soluteH for KBr if the Δ_solutionH for KBr is +19.9 kJ mol^-1 and the Δ_hydrationH for KBr is -670. kJ mol^-1.

• A) +650 kJ mol^-1
• B) -650 kJ mol^-1
• C) +690 kJ mol^-1
• D) -710 kJ mol^-1
• E) -690 kJ mol^-1

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Definitions:

Salvage Value

Salvage value is the estimated resale value of an asset at the end of its useful life, considered in depreciation calculations.

Depreciation Expense

Distributing the cost of a material asset methodically across its productive life.

Units-Of-Activity

A depreciation method that allocates the cost of an asset over its useful life based on the number of units it produces or hours it is used.

Salvage Value

An asset's projected financial value at the end of its viability period.