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TUMS",a form of calcium carbonate often needed after rinal exams, neutralizes sto reaction: 7. CaCO(s)+ 2HCI(ag) CaCI(aq) + H,O) + CO,) (0.211 L) 605 mg of HC2 (M of HCI- 36.461 g/mol) (0) suppose the CO,(g) in part (a) was collected over water. What change would be made in the pressure value in your calculation? The vapor pressure of water at 37 C is 45.5 mmHg. (0.94 atm)

TUMS",a form of calcium carbonate often needed after rinal exams, neutralizes sto reaction: 7. CaCO(s)+ 2HCI(ag) CaCI(aq) + H,O) + CO,) (0.211 L) 605 mg of HC2 (M of HCI- 36.461 g/mol) (0) suppose the CO,(g) in part (a) was collected over water. What change would be made in the pressure value in your calculation? The vapor pressure of water at 37 C is 45.5 mmHg. (0.94 atm)

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
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10. 7. CaCO,(s) + 2HC(ag) CaCH(aq) + H,O) + CO:() (a) What volume of CO,(g) is produced at 1.00 atm and 37.0 "C when an excess of Caco, completely reacts wi 605 mg of HCI? (M of HCI - 36.461 g/mol) reaction: (0.211 L) (b) Suppose the CO,(g) in part (a) was collected over water, What change would be made in the pressure value in your calculation? The vapor pressure of water at 37 C is 45.5 mmHg. (0.94 atm) 8. How much heat evolves from burning 16.4 g of sulfur, Ss, in air? (-153 kJ) Sy(s) + 8 0:(g) → 8 SO:(g) AH"n-2.39 x 10' kJ 9. Use the following reactions and AH° data to determine AH° for (-431.2 kJ) Ca(s) + 2 H;O() → Ca (aq) +2 OH (aq) +H2(g). Known reactions: H'(aq) + OH (aq) -> H,O() AH° =- 55.9 kJ Ca(s) + 2H (aq) → Ca (aq) + H;(g) AH° =- 543.0 kJ
Transcribed Image Text:10. 7. CaCO,(s) + 2HC(ag) CaCH(aq) + H,O) + CO:() (a) What volume of CO,(g) is produced at 1.00 atm and 37.0 "C when an excess of Caco, completely reacts wi 605 mg of HCI? (M of HCI - 36.461 g/mol) reaction: (0.211 L) (b) Suppose the CO,(g) in part (a) was collected over water, What change would be made in the pressure value in your calculation? The vapor pressure of water at 37 C is 45.5 mmHg. (0.94 atm) 8. How much heat evolves from burning 16.4 g of sulfur, Ss, in air? (-153 kJ) Sy(s) + 8 0:(g) → 8 SO:(g) AH"n-2.39 x 10' kJ 9. Use the following reactions and AH° data to determine AH° for (-431.2 kJ) Ca(s) + 2 H;O() → Ca (aq) +2 OH (aq) +H2(g). Known reactions: H'(aq) + OH (aq) -> H,O() AH° =- 55.9 kJ Ca(s) + 2H (aq) → Ca (aq) + H;(g) AH° =- 543.0 kJ
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