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A calorimeter contains 35.0 mL, of water at 12.0 C When 2.10 g of X (a substance with a molar mass of 55.0 g/mol) is added, it dissolves via the reaction X(s) #HO(l)…X(aq) and the temperature of the solution increases to 25.0 "C Calculate the enthalpy change. AH, for this reaction per mole of X Assume that the specific heat of the resulting solution is equal to that of water (4.18 J/(C), that density of water is 1.00 g/mol., and that no heat is lost to the calorimeter itself, nor to the surroundings Express the change in enthalpy in kilojoules per mole to three significant figures. View Available Hint(s) AH= Η ΑΣΦΑΛΙ ? kJ/mol

A calorimeter contains 35.0 mL, of water at 12.0 C When 2.10 g of X (a substance with a molar mass of 55.0 g/mol) is added, it dissolves via the reaction X(s) #HO(l)…X(aq) and the temperature of the solution increases to 25.0 "C Calculate the enthalpy change. AH, for this reaction per mole of X Assume that the specific heat of the resulting solution is equal to that of water (4.18 J/(C), that density of water is 1.00 g/mol., and that no heat is lost to the calorimeter itself, nor to the surroundings Express the change in enthalpy in kilojoules per mole to three significant figures. View Available Hint(s) AH= Η ΑΣΦΑΛΙ ? kJ/mol

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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Review Constants | Periodic Table A calorimeter contains 35.0 mL of water at 12.0°C. When 2.10 g of X (a substance with a molar mass of 55.0 g/mol) is added, it dissolves via the reaction X(s) + H_O{1)—X(aq) and the temperature of the solution increases to 25.0 C Calculate the enthalpy change, AH, for this reaction per mole of X Assume that the specific heat of the resulting solution is equal to that of water (4.18 J/(gC)), that density of water is 1.00 g/ml., and that no heat is lost to the calorimeter itself, nor to the surroundings. Express the change in enthalpy in kilojoules per mole to three significant figures. View Available Hint(s) AH = Submit VG| ΑΣΦΑ ? kJ/mol
Transcribed Image Text:Review Constants | Periodic Table A calorimeter contains 35.0 mL of water at 12.0°C. When 2.10 g of X (a substance with a molar mass of 55.0 g/mol) is added, it dissolves via the reaction X(s) + H_O{1)—X(aq) and the temperature of the solution increases to 25.0 C Calculate the enthalpy change, AH, for this reaction per mole of X Assume that the specific heat of the resulting solution is equal to that of water (4.18 J/(gC)), that density of water is 1.00 g/ml., and that no heat is lost to the calorimeter itself, nor to the surroundings. Express the change in enthalpy in kilojoules per mole to three significant figures. View Available Hint(s) AH = Submit VG| ΑΣΦΑ ? kJ/mol
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