The Enthalpy Change for Converting 1

question 49

Multiple Choice

The enthalpy change for converting 1.00 mol of ice at -50.0°C to water at 70.0°C is __________ kJ. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H₂O, ΔH_fus = 6.01 kJ/mol, and ΔH_vap = 40.67 kJ/mol

• A)12.28
• B)6.41
• C)13.16
• D)7154
• E)9.40

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Definitions:

Supply Curve

A graph showing the relationship between the price of a good and the amount of the good that suppliers are willing to sell at that price.

Market Demand

The total amount of a product or service that all consumers in a market are willing and able to purchase at various prices.

Equilibrium Price

This is the price at which the quantity of a good or service demanded by consumers equals the quantity supplied by producers, resulting in a state of market balance.

Quantity Discounts

Reductions in price offered by sellers to buyers who purchase large volumes or quantities of a product, incentivizing bulk purchasing.