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What is the balanced chemical equation for the reaction used to calculate AH; of STCO3 (s)?

What is the balanced chemical equation for the reaction used to calculate AH; of STCO3 (s)?

Chemistry
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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What is the balanced chemical equation for the reaction used to calculate AH; of SrCO3 (s)? If fractional coefficients are required, enter them as a fraction (i.e. 1/3). Indicate the physical states using the abbreviation (s), (1), or (g) for solid, liquid, or gas, respectively without indicating allotropes. Use (aq) for aqueous solution. Express your answer as a chemical equation.
Transcribed Image Text:What is the balanced chemical equation for the reaction used to calculate AH; of SrCO3 (s)? If fractional coefficients are required, enter them as a fraction (i.e. 1/3). Indicate the physical states using the abbreviation (s), (1), or (g) for solid, liquid, or gas, respectively without indicating allotropes. Use (aq) for aqueous solution. Express your answer as a chemical equation.
The standard enthalpy of formation (AH;) is the enthalpy change that occurs when exactly 1 mol of a compound is formed from its constituent elements under standard conditions. The standard conditions are 1 atm pressure, a temperature of 25 °C , and all the species present at a concentration of 1 M .A"standard enthalpies of formation table" containing AH; values might look something like this: AH Substance H(g) H2(g) 218 kJ/mol o kJ/mol 0 kJ/mol Sr+ (aq) -549.7 kJ/mol Sr(s) 71 kJ/mol 0 kJ/mol C(g) C(s) N(g) 473 kJ/mol 02(g) 0 kJ/mol O(g) 249 kJ/mol S2(g) 129 kJ/mol
Transcribed Image Text:The standard enthalpy of formation (AH;) is the enthalpy change that occurs when exactly 1 mol of a compound is formed from its constituent elements under standard conditions. The standard conditions are 1 atm pressure, a temperature of 25 °C , and all the species present at a concentration of 1 M .A"standard enthalpies of formation table" containing AH; values might look something like this: AH Substance H(g) H2(g) 218 kJ/mol o kJ/mol 0 kJ/mol Sr+ (aq) -549.7 kJ/mol Sr(s) 71 kJ/mol 0 kJ/mol C(g) C(s) N(g) 473 kJ/mol 02(g) 0 kJ/mol O(g) 249 kJ/mol S2(g) 129 kJ/mol
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