R12B1 is a refrigerant with the formula CF:CIBR. Use the information in the table below to determine ow many grams of R12B1 must be vaporized in order to absorb enoughenergy to cool 200.0 grams of DMSO from 45.0°C to 20.0°C?gramsSpecific Heat CapacityLiquidJ/g.°Cb.pAHvapSolidGasm.w.m.p.g/molAHfuskJ/molJ/g.°CJ/g.°Csubstanceformula°C°CkJ/molEthanolC2H;OH46.069-114.078.05.0238.60.9702.301.94WaterH2018.0150.0100.06.0140.672.094.1841.84DMSOC2H6SO78.12919.0189.014.448.61.801.961.20t-ButanolC4H10074.12325.282.46.7839.11.972.91.73AmmoniaNH317.03-77.7-33.3323.352.17CC,F2CF,CIBrFreon-12120.9-158.0-29.7520.090.612R12B1165.36-159.5-4.0122.370.451

We will calculate the mass of R12B1 is vapourized.

R12B1 is a refrigerant with the formula CF:CIB.. Use the information in the table below to determine ow many grams of R12B1 must be vaporized in order to absorb enou energy to cool 200.0 grams of DMSO from 45.0°C to 20.0°C? grams Specific Heat Capacity Liquid J/g.°C m.w. m.p. b.p Solid Gas AHfus kJ/mol AHvap kJ/mol substance formula g/mol °C J/g.°C J/g.°C Ethanol C2H5OH 46.069 -114.0 78.0 5.02 38.6 0.970 2.30 1.94 H20 C2H6SO Water 18.015 0.0 100.0 6.01 40.67 2.09 4.184 1.84 DMSO 78.129 19.0 189.0 14.4 48.6 1.80 1.96 1.20 t-Butanol C4H100 74.123 25.2 82.4 6.78 39.1 1.97 2.9 1.73 Ammonia NH3 17.03 -77.7 -33.33 23.35 2.17 Freon-12 CC,F2 120.9 -158.0 -29.75 20.09 0.612 R12B1 CF,CIBr 165.36 -159.5 -4.01 22.37 0.451

R12B1 is a refrigerant with the formula CF:CIB.. Use the information in the table below to determine ow many grams of R12B1 must be vaporized in order to absorb enou energy to cool 200.0 grams of DMSO from 45.0°C to 20.0°C? grams Specific Heat Capacity Liquid J/g.°C m.w. m.p. b.p Solid Gas AHfus kJ/mol AHvap kJ/mol substance formula g/mol °C J/g.°C J/g.°C Ethanol C2H5OH 46.069 -114.0 78.0 5.02 38.6 0.970 2.30 1.94 H20 C2H6SO Water 18.015 0.0 100.0 6.01 40.67 2.09 4.184 1.84 DMSO 78.129 19.0 189.0 14.4 48.6 1.80 1.96 1.20 t-Butanol C4H100 74.123 25.2 82.4 6.78 39.1 1.97 2.9 1.73 Ammonia NH3 17.03 -77.7 -33.33 23.35 2.17 Freon-12 CC,F2 120.9 -158.0 -29.75 20.09 0.612 R12B1 CF,CIBr 165.36 -159.5 -4.01 22.37 0.451

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.96PAE

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