Based on the thermodynamic properties provided for methanol (below), select from the following list the equation(s) necessary to calculate the amount of energy needed for 5.0 kg of methanol to go from -64°C to 88°C. Choose one or more: Property Melting point Boiling point AHfus AHvap Cp (s) Cp (1) Cp (8) Value -94 65 3.18 37 48.7 81.1 43.8 A. q = n(37 kJ/mol) B. q= n(3.18 kJ/mol) C. q = n(81.1 J/mol ·°C)AT, where A Tis positive OD. q- n(48.7 J/mol °C)AT, where A Tis negative E. q = n(43.8 J/mol °C)AT, where A Tis positive F. q- n(48.7 J/mol °C)AT, where A Tis positive G. q- n(81.1 J/mol °C)AT, where A Tis negative H. q = n(-37 kJ/mol) 1. q- n(43.8 J/mol °C)AT, where A Tis negative J. q= n(-3.18 kJ/mol) Units °C °℃ kJ/mol kJ/mol J/mol.°C J/mol.°C J/mol .•°C

Based on the thermodynamic properties provided for methanol (below), select from the following list the equation(s) necessary to calculate the amount of energy needed for 5.0 kg of methanol to go from -64°C to 88°C. Choose one or more: Property Melting point Boiling point AHfus AHvap Cp (s) Cp (1) Cp (8) Value -94 65 3.18 37 48.7 81.1 43.8 A. q = n(37 kJ/mol) B. q= n(3.18 kJ/mol) C. q = n(81.1 J/mol ·°C)AT, where A Tis positive OD. q- n(48.7 J/mol °C)AT, where A Tis negative E. q = n(43.8 J/mol °C)AT, where A Tis positive F. q- n(48.7 J/mol °C)AT, where A Tis positive G. q- n(81.1 J/mol °C)AT, where A Tis negative H. q = n(-37 kJ/mol) 1. q- n(43.8 J/mol °C)AT, where A Tis negative J. q= n(-3.18 kJ/mol) Units °C °℃ kJ/mol kJ/mol J/mol.°C J/mol.°C J/mol .•°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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Based on the thermodynamic properties provided for methanol (below), select from the following list the equation(s) necessary to calculate the amount of energy needed for 5.0 kg of methanol to go from -64°C to 88°C. Property Value Units Melting point -94 °C Boiling point 65 °C AHfus 3.18 kJ/mol AHvap 37 kJ/mol 615) 48.7 J/mol.°C Cp (1) 81.1 J/mol.°C 5 (8) 43.8 J/mol °C Choose one or more: A. q = n(43.8 J/mol °C)AT, where AT is negative B. q=n(48.7 J/mol ·°C)AT, where AT is negative C. q= n(81.1 J/mol -°C)AT, where A Tis negative D. q = n(43.8 J/mol °C)AT, where A Tis positive E. q=n(-3.18 kJ/mol) F. q- n(37 kJ/mol) G. q=n(-37 kJ/mol) H. q- n(3.18 kJ/mol) 1.q=n(48.7 J/mol °C)AT, where AT is positive J.q=n(81.1 J/mol °C)AT, where A Tis positive
Please help with question 3
If 2.00 moles of propanol, C3H;O, needed to absorb 110.0 kJ of heat to be vaporized at 97.0 °C (the boiling point), then what was the initial temperature of the propanol? C3H§O(1) → C3H&O(g) AH°, = +47.5 kJ/mole vap C,(C3H&O) = 2.40 J/g•°C
How much heat(in kJ) is absorbed when 75.0g of benzene at -15°C is cooled to 35°C? mp = 5.85°C, c(l) = 1.71 J/g°C,c(s) = 1.51 J/g°C, ΔH(fus) = 9.9 kJ/mol
1. Calculate the AS (J/K) for the phase transition of a 0.50 mol water described below: H2O(s), 0°C → H2O(g), 100°C Afus H = 60 kJ/mol, C'p,H,0, = 75.3 J/mol-K, Apap H = 40.7 kJ/mol
3.7 g of brass (Cp = 0.38 J/g-oC, initially at 68oC) and 4.5 g of aluminum (Cp = 0.9 J/g-oC, initially at 83oC) are dropped into 20 g of water (Cp = 4.184 J/g-oC, initially at 23oC). Determine the equilibrium temperature (oC). Express answer in two decimal places.
From this reaction 2NO(g) + 2H₂(g) à N₂(g) + 2H₂O(1), NO H2 N2 Sᵒ (J/mol K) 75.10 191.5 192.3 ΔΗ°f (kJ/mol) -283.74 0 0 What is the standard enthalpy of reaction (AHrnx)? H20 189.0 -373.57
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3.5 g of brass (Cp = 0.38 J/g-oC, initially at 68oC) and 4.6 g of aluminum (Cp = 0.9 J/g-oC, initially at 83oC) are dropped into 20 g of water (Cp = 4.184 J/g-oC, initially at 23oC). Determine the equilibrium temperature (oC). Express answer in two decimal places.
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