Can you show how number 5 is done U.50 Cal/g CHow many joules are needed to heat 25.0 grams of Freon from a liquid at -165°C to a vapor at19.6°C? Note the melting point for Freon is -181°C and the boiling point is - 81.4°C.2.C Freon as aC Freon as a gas= 0.660 j/g°CC Freon as aH fusion forH vaporizationfor Freon =liquid =1.96 j/g°Csolid =Freon =0.825 j/g°C21 j/g148 j/gHow much heat is absorbed when 11.2 grams of graphite is heated from 22.0 °C to 55.0°C if thespecific heat of graphite is 0.170 cal/ g°C?3.4.Determine the specific heat of a metal if 45.00 grams of the metal was placed in water at 98.0°Cfor 10.00 minutes and then placed in 112.40 grams of water at 16.0 °C. After the metal wasplaced in the water, the temperature of the metal-water mixture became 19.8°C. The specificheat of water is 1.00 cal / gram °C.5.If a sample of aluminum metal at 100.0°C is placed into 54.4 grams of water at 17.7°C and thewater temperature rises to 23.0°C, calculate the mass of the aluminum sample. The specificheat of aluminum is 0.215 cal /g°C and the specific heat of water is 1.00 cal/ g°C.When 110.0 grams of gold at 99.5°C is placed into 88.7 grams of water at 20.0°C, calculate thefinal temperature of both the metal and the water. Gold's specific heat is 0.0309 cal/g°C and6.water's specific heat is 1.00 cal/ g°C.When 93.5 grams of iron was oxidized in the reaction above 1450 joules of beat wasreleased, What is the enthalpylneat, AH) of the above reaction in kilojoules?reaction endothermic or exothermic?7. 4 Fe + 3 02→ 2 Fe203a.eased into the balanced equation.

The concept is when you put the metal in water the heat lost my metal is equal to the heat energy…

5. If a sample of aluminum metal at 100.0°C is placed into 54.4 grams of water at 17.7°C and the water temperature rises to 23.0°C, calculate the mass of the aluminum sample. The specific heat of aluminum is 0.215 cal /g°C and the specific heat of water is 1.00 cal/ g°C.

5. If a sample of aluminum metal at 100.0°C is placed into 54.4 grams of water at 17.7°C and the water temperature rises to 23.0°C, calculate the mass of the aluminum sample. The specific heat of aluminum is 0.215 cal /g°C and the specific heat of water is 1.00 cal/ g°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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