195. 20 grams of ice is at $0^\circ$C (melting point). How many joules of heat are needed to melt it and raise the temperature of the resulting water to $50^\circ$C? $\left(L_f = 336\,\dfrac{\text{J}}{\text{g}},\; c_{\text{water}} = 4.2\,\dfrac{\text{J}}{\text{g}\cdot{}^\circ\text{C}}\right)$ (1) 10920 (2) 9050 (3) 8190 (4) 7560 \fbox{Workspace for calculations} %% Page 18 121-APhysicsPage 17
\textbf{195.} 20 grams of ice is at $0^\circ$C (melting point). How many joules of heat are needed to melt it and raise the temperature of the resulting water to $50^\circ$C? $\left(L_f = 336\,\dfrac{\text{J}}{\text{g}},\; c_{\text{water}} = 4.2\,\dfrac{\text{J}}{\text{g}\cdot{}^\circ\text{C}}\right)$
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(1) 10920 \hspace{1cm} (2) 9050 \hspace{1cm} (3) 8190 \hspace{1cm} (4) 7560
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