The graph shows a heat curve for an unidentified substance discovered by the Mars rover.40038036034032030028026024022020018016014012010080604020-20-40-60-804080120Heat (J)What is the temperature of fusion, Trusion, of the substance?Tfusion80°CWhat is the temperature of vaporization, Tvapor, of the substance?Temperature (°C) What is the temperature of vaporization, Tyapor, Of the substance?Tvapor280°CGiven a 89.8-g sample of this substance with a specific heat of 51.3 J/(kg.°C), how much heat is required to change itstemperature from 180.0 °C to 250.0 °C?Q =119953.28J

Answer :- 1) Temperature of fusion of the substance = 80.0 °C 2) Temperature of vaporization of…

The graph shows a heat curve for an unidentified substance discovered by the Mars rover. 400 380 360 340 320 300 - 280 260 240 220 - 200 180 160 140 - 120 - 100 80 - 60 - 40 20 - -20 - 40 - -60 - -80 40 80 120 Heat (J) What is the temperature of fusion, Tusion, Of the substance? Tfusion 80 °C What is the temperature of vaporization, Tyapor, of the substance? Temperature (°C)

The graph shows a heat curve for an unidentified substance discovered by the Mars rover. 400 380 360 340 320 300 - 280 260 240 220 - 200 180 160 140 - 120 - 100 80 - 60 - 40 20 - -20 - 40 - -60 - -80 40 80 120 Heat (J) What is the temperature of fusion, Tusion, Of the substance? Tfusion 80 °C What is the temperature of vaporization, Tyapor, of the substance? Temperature (°C)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What amount of thermal energy (in kJ) is required to convert 38.2 g of ethanol at -148 °C completely to gaseous ethanol at 100 °C? The melting point of ethanol is -114 °C and its normal boiling point is 78 °C. The heat of fusion of ethanol is 5.0 kJ mol-1 The heat of vaporization of ethanol at its normal boiling point is 35.0 kJ mol-¹ The specific heat capacity of solid ethanol is 1.05 J g-¹ °C-1 The specific heat capacity of liquid ethanol is 2.44 J g-¹ °C-¹ The specific heat capacity of gaseous ethanol is 1.01 J g-¹ °C-¹ Answer:
1) 80°F What does not correspond to the molar heat of fusion? O AHfus Mostly sunny F1 AH cond O the heat absorbed by one mole of a substance in melting from a solid to a liquid at a constant temperature O the enthalpy change when 1 mol of a substance melts F2 2 W F3 2+ #M 3 E F4 $ 4 F5 R И ur jo % F6 T ☆ O Search F7 6 Y F8 & 7 + U F9 * 00 8 F10 28 GO F11 O F12 P Prt Sc Insert Del Backspace
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