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[Review Topics] [References] Use the References to access important values if needed for this question. The following information is given for magnesium at 1atm: Tb = 1090.00°C Tm = 649.00°C Specific heat solid = 1.017 J/g °C Specific heat liquid = 1.339 J/g °C Submit Answer AHvap (1090.00°C) = 5.424 × 10³ J/g AHfus (649.00°C) = 368.3 J/g A 46.40 g sample of liquid magnesium at 720.00°C is poured into a mold and allowed to cool to 28.00°C. How many kJ of energy are released in this process? (Report the answer as a positive number.) Energy = kj Retry Entire Group 8 more group attempts remaining

[Review Topics] [References] Use the References to access important values if needed for this question. The following information is given for magnesium at 1atm: Tb = 1090.00°C Tm = 649.00°C Specific heat solid = 1.017 J/g °C Specific heat liquid = 1.339 J/g °C Submit Answer AHvap (1090.00°C) = 5.424 × 10³ J/g AHfus (649.00°C) = 368.3 J/g A 46.40 g sample of liquid magnesium at 720.00°C is poured into a mold and allowed to cool to 28.00°C. How many kJ of energy are released in this process? (Report the answer as a positive number.) Energy = kj Retry Entire Group 8 more group attempts remaining

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Use the References to access important values if needed for this question. The following information is given for silicon at 1 atm: Tb 2355.00°C Tm 1410.00°C Specific heat solid = 0.7110 J/g °C Specific heat liquid 0.9080 J/g °C = (Select all that apply.) A 41.40 g sample of solid silicon is initially at 1392.00°C. If 7.630 × 10¹ J of heat are added to the sample at constant pressure (P = = 1 atm), which of the following is/are true? Submit Answer AHvap (2355.00°C) = 1.058 × 10¹ J/g AHfus (1410.00°C) 1.653 × 10³ J/g The sample is a liquid. The sample is a solid. The sample is a solid in equilibrium with liquid. The sample is at a temperature of 1410.00°C. The sample is at a temperature greater than 1410.00°C. Retry Entire Group = 8 more group attempts remaining
Transcribed Image Text:Use the References to access important values if needed for this question. The following information is given for silicon at 1 atm: Tb 2355.00°C Tm 1410.00°C Specific heat solid = 0.7110 J/g °C Specific heat liquid 0.9080 J/g °C = (Select all that apply.) A 41.40 g sample of solid silicon is initially at 1392.00°C. If 7.630 × 10¹ J of heat are added to the sample at constant pressure (P = = 1 atm), which of the following is/are true? Submit Answer AHvap (2355.00°C) = 1.058 × 10¹ J/g AHfus (1410.00°C) 1.653 × 10³ J/g The sample is a liquid. The sample is a solid. The sample is a solid in equilibrium with liquid. The sample is at a temperature of 1410.00°C. The sample is at a temperature greater than 1410.00°C. Retry Entire Group = 8 more group attempts remaining
[Review Topics] [References] Use the References to access important values if needed for this question. The following information is given for magnesium at 1atm: Tb 1090.00°C Im = 649.00°C Specific heat solid 1.017 J/g °C Specific heat liquid = 1.339 J/g °C Submit Answer 5.424 × 10³ J/g AHvap (1090.00°℃) : = AHfus (649.00°C) = 368.3 J/g A 46.40 g sample of liquid magnesium at 720.00°C is poured into a mold and allowed to cool to 28.00°C. How many kJ of energy are released in this process? (Report the answer as a positive number.) Energy = kj Retry Entire Group 8 more group attempts remaining
Transcribed Image Text:[Review Topics] [References] Use the References to access important values if needed for this question. The following information is given for magnesium at 1atm: Tb 1090.00°C Im = 649.00°C Specific heat solid 1.017 J/g °C Specific heat liquid = 1.339 J/g °C Submit Answer 5.424 × 10³ J/g AHvap (1090.00°℃) : = AHfus (649.00°C) = 368.3 J/g A 46.40 g sample of liquid magnesium at 720.00°C is poured into a mold and allowed to cool to 28.00°C. How many kJ of energy are released in this process? (Report the answer as a positive number.) Energy = kj Retry Entire Group 8 more group attempts remaining
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