What Is Q If 28

question 29

Multiple Choice

What is q if 28.6 g of water is heated from 22.0°C to 78.3°C? The specific heat of water is 4.184 J/g·°C.

• A) 2.60 J
• B) 2.63 kJ
• C) 6.74 kJ
• D) 9.37 kJ
• E) 3.94×10⁴ kJ

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Definitions:

Plaster

A mixture of lime, sand, water, and sometimes other materials, applied to walls and ceilings to create a smooth or decorative surface.

Labor

The effort by humans to produce goods or provide services in exchange for wages or salary.

Equilibrium Price

The price at which the quantity of a good or service demanded equals the quantity supplied, leading to market balance.

Interest Rate

The percentage of an amount of money charged for its use over a specified period of time, often expressed as an annual percentage.