1. Which of the following accurately describes the conditions of a closed system?a. Both energy and matter can move into or out of the system.b. Only matter can move into or out of the system.C. Only energy can move into or out of the system.d. Neither energy nor matter can move into or out of the system.e. None of the above.2. Which of the following accurately describes the conditions of an isolated system?a. Both energy and matter can move into or out of the system.b. Only matter can move into or out of the system.c. Only energy can move into or out of the system.d. Neither energy nor matter can move into or out of the system.e. None of the above.3. Which of the following reactions is/are endothermic? Choose ALL that apply.а. На(g) + Cl2(g) — 2HCI(g) + 185 kJb. 302(g) + 286 kJ → 203(g)c. C(s) + O2(g) →d. N2(g) + 202g)е. 238U -> 4He + 234TH + heat→ CO2(g)2NO2(g)AHº = - 394 kJAH = +33.2 kJf. H,O(s) + heat → H,0(1)4. If the heat of formation of sodium chloride is -411 kJ/mol, then the heat of reaction for 1.25 mol ofsodium chloride isa. - 514 kJd. +329 kJb. - 411 kJe. +411 kJC. - 329 kJf.+514 kJ5. A 3.00-g candle is consumed in heating 145-g of water from 20.0°C to 55.0°C. If you ignore loss of heatto the air, the energy produced per gram of candle would bed. 20.6 kJe. 68.7 kJа. 2.06 kJb. 7.07 kJc. 6.87 kJf.206 kJ 6. What is the most appropriate method to measure the rate of reaction in the following chemical system?Zn(s) + H,SO,(aq):H2(g) + ZnSO,(aq) Choose ALL that apply.a. Change in colourd. Change in pressureb. Change in conductivityc. Change in masse. Change in temperaturef.None of the above7. In the following chemical reaction the rate of consumption of liquid propane is observed to be 4mol/(L-min): C3H3(1) + 502(g) → 3CO2(g) + 4H,0(g). What is the rate of production of carbon dioxide?a. 4 mol/(L-min)b. 6 mol/(L-min)c. 8 mol/(L·min)d. 10 mol/(L-min)e. 12 mol/(L·min)14 mol/(L-min)f.8. If, for the reaction ax + bY →products, the rate law is determined to be r = k[X]°[Y]', then the overallorder of reaction isа. 1d. 4b. 2е. 5f. 6С. 39. Refer to the reaction below. How much heat is released if 184.0 g of sodium metal reacts?2Na(s) + 2H,0(1) → H2(g) + 2NAOH(aq) + 150 kJа. 106.8 Jd. 1201 kJb. 16.01 kJe. 2402 kJC. 600.5 kJf. 4804 kJ

Please note: According to the guideline, in one session only three parts of a question can be…

1. Which of the following accurately describes the conditions of a closed system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 2. Which of the following accurately describes the conditions of an isolated system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 3. Which of the following reactions is/are endothermic? Choose ALL that apply. a. H2(g) + Cl(g) → 2HCI(g) + 185 kJ b. 302(g) + 286 kJ → 203(g) с. C(5) + O-(g) — СO,(9) d. N2(g) + 202(g) → 2NO2(g) e. 238U → 4He + 234TH + heat AHº = - 394 kJ AHº = +33.2 kJ f. H2O(s) + heat → → H,O(1I)

1. Which of the following accurately describes the conditions of a closed system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 2. Which of the following accurately describes the conditions of an isolated system? a. Both energy and matter can move into or out of the system. b. Only matter can move into or out of the system. c. Only energy can move into or out of the system. d. Neither energy nor matter can move into or out of the system. e. None of the above. 3. Which of the following reactions is/are endothermic? Choose ALL that apply. a. H2(g) + Cl(g) → 2HCI(g) + 185 kJ b. 302(g) + 286 kJ → 203(g) с. C(5) + O-(g) — СO,(9) d. N2(g) + 202(g) → 2NO2(g) e. 238U → 4He + 234TH + heat AHº = - 394 kJ AHº = +33.2 kJ f. H2O(s) + heat → → H,O(1I)

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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