How Much Energy Is Needed to Change the Temperature of 25.00

question 23

Multiple Choice

How much energy is needed to change the temperature of 25.00 mL of water from 10.0 $\degree$ C to 95.0 $\degree$ C? [c_p= 4.18 J/(g . $\degree$ C) , d =1.00 g/mL]

• A)1.60 * 10² kJ
• B)28.2 kJ
• C)8.89 kJ
• D)6.41 kJ
• E)105 kJ

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Definitions:

Required Return

The minimum expected return an investor demands for an investment, considering its risk level.

Dividend Payout

The portion of a company's earnings that is distributed to shareholders, usually in the form of cash dividends.

Capitalized Earnings Model

A valuation method in which earnings are considered in perpetuity, with a capitalization rate determining the present value of those earnings.

P/E Ratio

Price-to-Earnings Ratio, a valuation metric calculated by dividing the market price per share by its earnings per share, indicating how much investors are willing to pay per dollar of earnings.