A substance has a melting point of -25.0°C, an enthalpy of fusion of 1200 Jg¹; specific heats for the solid and the liquid are 3.00 and 6.20 Jg¹ C¹, respectively. How much energy is needed to change 150 grams of the substance from a solid at -40.0°C to a liquid at +70.0°C? x 105 joules

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Chapter10: Liquids And Solids
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A substance has a melting point of -25.0°C, an enthalpy of fusion of 1200 Jg¹; specific heats for the solid and the liquid are 3.00 and
6.20 Jg¹ C1, respectively. How much energy is needed to change 150 grams of the substance from a solid at -40.0°C to a liquid at
+70.0°C?
7
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Transcribed Image Text:ck 14 Question 12 of 23 View Policies Current Attempt in Progress A substance has a melting point of -25.0°C, an enthalpy of fusion of 1200 Jg¹; specific heats for the solid and the liquid are 3.00 and 6.20 Jg¹ C1, respectively. How much energy is needed to change 150 grams of the substance from a solid at -40.0°C to a liquid at +70.0°C? 7 Type here to search 2 Q A Z eTextbook and Media Save for Later @ 2 W S # x alt 3 < E D $ C с JO 4 x 105 joules O R F % 5 V T to 40° G 6 B Y & H 7 * hp U N > 4+ * 8 J 1 M a ( 9 K ▶11 ) O Attempts: 0 of 2 used Submit Answer O L P 12 alt { ^ @ + r -/1 E : = ? 1 DA 4x O insert ] ctrl pause 10:26 PM 8/30/2022 prt sc backspace 2
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