For Questions , Refer to the Following Table -A 176 G Sample of Ethanol Was Provided 30 KJ

question 23

Multiple Choice

For questions , refer to the following table.
$\begin{array}{lc}\hline \text { Substance } & \text { Specific Heat Capacity }\left(\mathrm{J} / \mathrm{g}{ }^{\circ} \mathrm{C}\right) \\\hline \text { Gold }(\mathrm{Au}) & 0.129 \\\text { Copper (Cu) } & 0.386 \\\text { Iron (Fe) } & 0.450 \\\text { Aluminum (Al) } & 0.900 \\\text { Ethanol }\left(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\right) & 2.460 \\\hline\end{array}$
-A 176 g sample of ethanol was provided 30 kJ of heat energy. Afterwards, the temperature of the sample was found to be 75 °C. What was the initial temperature of the sample?

• A) 74.3 °C
• B) 69 °C
• C) 6 °C
• D) 144 °C
• E) 81 °C

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Definitions:

Zero-Coupon Bond

A type of bond that does not pay periodic interest payments and is instead issued at a deep discount to its face value.

Implicit Interest

The cost of borrowing that is not explicitly stated as an interest rate, often factored into the terms of leases or other financial agreements.

Face Value

The nominal or dollar value printed on a security, such as a bond or stock, representing its legal worth.

Effective Annual Yield

The interest rate on an investment or loan, which is compounded more than once per year, represented as an annual rate.