The first step in the extraction of copper metal from its ore is shown below. The numbers beneath eachformula are the molar mass, M, (units of grams/mole) and the enthalpy of formation, AfH°, (units ofkilojoules/mole) of that substance.4 CuFeS2(s) + 9 O2(8)> 2 СuzS (s) +2 Fe203(s)+ 6 SO2(g)M/g•mol-118432.015916064.1A¢H°(kJ/mol)-197-80.0-824-2971. What mass of SO2 gas, a source of acid rain, is produced from the reaction of 1234 g of CuFeS2?A. 431 gВ. 372 gC. 645 gD. 287 g2. What volume of O2 gas, measured at 15 °C and 1.00 atm, is required to react with 13.4 mol ofCuFeS2? (R = 0.0821 L-atm/mol·K; T/K = T/°C + 273.)А. 317 LВ. 141 LС. 930 LD. 713 L3. What is the value of the enthalpy change, AH°, for the above reaction?A. -1004 kJВ. +1004 k]С. -2891 kJD. -2802 kJ4. Which of the following statements about AS°, the entropy change for the above reaction, is correct?A. AS° >> 0В. AS° ~ 0C. AS° << 0D. AS° cannot be estimated for this reaction.

Given the reaction is as follows: 4CuFeS2s+9O2g→2Cu2Ss+2Fe2O3s+6SO2g

The first step in the extraction of copper metal from its ore is shown below. The numbers beneath each formula are the molar mass, M, (units of grams/mole) and the enthalpy of formation, AfH°, (units of kilojoules/mole) of that substance. 4 CuFeS2(s) + 9 O2(8) → 2 Cu2s (s) + 2 Fe2O3(s) + 6 SO2(8) M/g•mol-1 184 32.0 159 160 64.1 A¢H°(kJ/mol) -197 -80.0 -824 -297 1. What mass of SO2 gas, a source of acid rain, is produced from the reaction of 1234 g of CuFeS2? А. 431 g В. 372 g С. 645 g D. 287 g 2. What volume of O2 gas, measured at 15 °C and 1.00 atm, is required to react with 13.4 mol of CuFeS2? (R = 0.0821 L·atm/mol·K; T/K = T/°C+ 273.) A. 317 L В. 141 L C. 930 L D. 713 L 3. What is the value of the enthalpy change, AH°, for the above reaction? A. -1004 kJ B. +1004 kJ C. -2891 kJ D. -2802 kJ

The first step in the extraction of copper metal from its ore is shown below. The numbers beneath each formula are the molar mass, M, (units of grams/mole) and the enthalpy of formation, AfH°, (units of kilojoules/mole) of that substance. 4 CuFeS2(s) + 9 O2(8) → 2 Cu2s (s) + 2 Fe2O3(s) + 6 SO2(8) M/g•mol-1 184 32.0 159 160 64.1 A¢H°(kJ/mol) -197 -80.0 -824 -297 1. What mass of SO2 gas, a source of acid rain, is produced from the reaction of 1234 g of CuFeS2? А. 431 g В. 372 g С. 645 g D. 287 g 2. What volume of O2 gas, measured at 15 °C and 1.00 atm, is required to react with 13.4 mol of CuFeS2? (R = 0.0821 L·atm/mol·K; T/K = T/°C+ 273.) A. 317 L В. 141 L C. 930 L D. 713 L 3. What is the value of the enthalpy change, AH°, for the above reaction? A. -1004 kJ B. +1004 kJ C. -2891 kJ D. -2802 kJ

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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