Thermogravimetric curve is to be determined from the given mass and melting point. Concept introduction: Thermogravimetric curve is a plot ofthe percentage of mass and temperature, comprising of a progression of a numbers of steps, acquired by estimating the mass of a sample during heating. It is a strategy used for heat calculation where the mass of a sample is estimated after some time as the temperature changes.

Question

Use the standard reaction energies given below to determine AG*rxn for the following reaction: XY4(g) + Y₂O(g) --> XO(g) + 3Y2(g) Given: 2Y2(g) + XO(g) --> XY3OY(1) 2XY4(g) + O2(g) --> 2XY3OY(1) 2Y2(g) + O2(g) --> 2Y2O(g) Give answer in KJ/mol. Give answer to two decimal places. Do not include units answer. DG = -155.61 kJxmol-1 DG = -139.48 kJxmol-1 DH° -147.08 kJxmol-1

Answer 1

Question

Chapter 31, Problem 31.3QAP

Interpretation Introduction

Interpretation:

Thermogravimetric curve is to be determined from the given mass and melting point.

Concept introduction:

Thermogravimetric curve is a plot ofthe percentage of mass and temperature, comprising of a progression of a numbers of steps, acquired by estimating the mass of a sample during heating. It is a strategy used for heat calculation where the mass of a sample is estimated after some time as the temperature changes.

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Use the standard reaction energies given below to determine AG*rxn for the following reaction: XY4(g) + Y₂O(g) --> XO(g) + 3Y2(g) Given: 2Y2(g) + XO(g) --> XY3OY(1) 2XY4(g) + O2(g) --> 2XY3OY(1) 2Y2(g) + O2(g) --> 2Y2O(g) Give answer in KJ/mol. Give answer to two decimal places. Do not include units answer. DG = -155.61 kJxmol-1 DG = -139.48 kJxmol-1 DH° -147.08 kJxmol-1

Kk.41.

Calculate AS values for the following reactions by using tabulated Sº values from Appendix C.. (a) C₂H4(9) + H₂(g) = C₂H6(9) Asº = J/K (b) 2 CH₂OH(g) + 3 0₂(g) = 2 CO₂(g) + 4H₂O(g) AS⁰ = 3/K (c) 2 PC13(g) + O₂(g) =2 POCI3(9) AS⁰ = J/K (d) N₂04(0) = 2 NO₂(9) AS⁰ = J/K