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:

Foreign Exchange Rate

The price of one currency in terms of another currency, used in international trade and investment.