Calculate the Energy in the Form of Heat (In KJ)required $\circ$

question 18

Multiple Choice

Calculate the energy in the form of heat (in kJ) required to convert 325 grams of liquid water at 20.0 ^$\circ$ C to steam at 115 ^$\circ$ C.Assume that no energy in the form of heat is transferred to the environment.(Heat of fusion = 333 J/g; heat of vaporization = 2256 J/g; specific heat capacities: liquid water = 4.184 J/g.K,steam = 1.92 J/g.K)

• A) 129 kJ
• B) 121 kJ
• C) 851 kJ
• D) 914 kJ
• E) 735 kJ

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Definitions:

Economic Profit

The difference between the total revenue earned by a business and the total opportunity costs of all resources used in production.

Competitive

Relating to or characterized by rivalry among sellers in a market, aiming to increase sales, market share, and customer loyalty by offering better terms.

Maximum

The highest or greatest possible amount or degree of something.

Long-Run Equilibrium

A state in which all factors of production and inputs in a market are fully adjusted to any economic changes, showing no tendency for further adjustment.