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10. Which of the following chemical equations is an acid-base reaction? a. 2 HCl(aq) + Zn(s) → H2(g) + ZnCl2(aq) b. HCl(aq) + NH3(aq) → NH¼C((aq) c. HCl(aq) + A£NO:(aq) → AgCl(s) + HNO:(aq) d. Ba(OH)2(aq) + NażSO4(aq) → BaSO4(s) + 2 NaOH(aq) e. 2 NaOH(aq) + CuCl2(aq) → Cu(OH):(s) + 2 NaCI(aq) 11. The number of electrons in the highest energy level of 20Ca is a. 2 b. 4 c. 5 d. 6 e. 8 12. The word Aufbau means building up in German. The Aufbau Principle describes that a. electrons with the same spin cannot occupy the same orbital. b. Since electrons repel each other, electrons will occupy single orbitals within and energy level before doubling up. c. electrons fill lower energy levels first before occupying higher energy levels. d. All of the above. e. None of the above.

10. Which of the following chemical equations is an acid-base reaction? a. 2 HCl(aq) + Zn(s) → H2(g) + ZnCl2(aq) b. HCl(aq) + NH3(aq) → NH¼C((aq) c. HCl(aq) + A£NO:(aq) → AgCl(s) + HNO:(aq) d. Ba(OH)2(aq) + NażSO4(aq) → BaSO4(s) + 2 NaOH(aq) e. 2 NaOH(aq) + CuCl2(aq) → Cu(OH):(s) + 2 NaCI(aq) 11. The number of electrons in the highest energy level of 20Ca is a. 2 b. 4 c. 5 d. 6 e. 8 12. The word Aufbau means building up in German. The Aufbau Principle describes that a. electrons with the same spin cannot occupy the same orbital. b. Since electrons repel each other, electrons will occupy single orbitals within and energy level before doubling up. c. electrons fill lower energy levels first before occupying higher energy levels. d. All of the above. e. None of the above.

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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d. 12 e. 98 9. Which of the following species would you expect to have the largest radius? a. S b. Р c. Na d. Se? е. А- 10. Which of the following chemical equations is an acid-base reaction? a. 2 HCl(aq) + Zn(s) → H2(g) + ZnCl(aq) b. HCl(aq) + NH3(aq) → NHẠCI(aq) c. HCl(aq) + AgNO3(aq) → AgCl(s) + HNO:(aq) d. Ba(OH)2(aq) + N22SO4(aq) → BaSO:(s) + 2 NaOH(aq) e. 2 NaOH(aq) + CuCl2(aq) → Cu(OH)2(s) + 2 NaCl(aq) 11. The number of electrons in the highest energy level of 20Ca is a. b. 5 d. 6 e. 8 12. The word Aufbau means building up in German. The Aufbau Principle describes that a. electrons with the same spin cannot occupy the same orbital. b. Since electrons repel each other, electrons will occupy single orbitals within and energy level before doubling up. c. electrons fill lower energy levels first before occupying higher energy levels. d. All of the above. None of the above. e. 13. What is the formal charge on oxygen in the following structure? H3C-O-CH3 ČH3 a. +2 b. +1 c. d. -1 е. -2 14. Based on VSEPR theory, which of the following would have a trigonal planar shape? a. (CH3);N b. НCN c. NH4 d. CH3- e. CH3* 15. The volume of a gas is increased from 150.0 mL to 350.0 mL by heating it. If the original temperature of the gas was 25°C, what will its final temperature а. 146 °C b. 10.7°С (in °C)? c. 58.3 °C d. 422 °C 695 °C End of Section 1
Transcribed Image Text:d. 12 e. 98 9. Which of the following species would you expect to have the largest radius? a. S b. Р c. Na d. Se? е. А- 10. Which of the following chemical equations is an acid-base reaction? a. 2 HCl(aq) + Zn(s) → H2(g) + ZnCl(aq) b. HCl(aq) + NH3(aq) → NHẠCI(aq) c. HCl(aq) + AgNO3(aq) → AgCl(s) + HNO:(aq) d. Ba(OH)2(aq) + N22SO4(aq) → BaSO:(s) + 2 NaOH(aq) e. 2 NaOH(aq) + CuCl2(aq) → Cu(OH)2(s) + 2 NaCl(aq) 11. The number of electrons in the highest energy level of 20Ca is a. b. 5 d. 6 e. 8 12. The word Aufbau means building up in German. The Aufbau Principle describes that a. electrons with the same spin cannot occupy the same orbital. b. Since electrons repel each other, electrons will occupy single orbitals within and energy level before doubling up. c. electrons fill lower energy levels first before occupying higher energy levels. d. All of the above. None of the above. e. 13. What is the formal charge on oxygen in the following structure? H3C-O-CH3 ČH3 a. +2 b. +1 c. d. -1 е. -2 14. Based on VSEPR theory, which of the following would have a trigonal planar shape? a. (CH3);N b. НCN c. NH4 d. CH3- e. CH3* 15. The volume of a gas is increased from 150.0 mL to 350.0 mL by heating it. If the original temperature of the gas was 25°C, what will its final temperature а. 146 °C b. 10.7°С (in °C)? c. 58.3 °C d. 422 °C 695 °C End of Section 1
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