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Question 38 (8 points) What element is oxidized and what is the oxidizing agent...
The first three ionization energies of an element X are 590,1145, and 4912 kJ.mol 1. What...
The first three ionization energies of an element X are 590,1145, and 4912 kJ.mol 1. What is the most likely formula for the stable ion of X? Ох* Ох Ox+ Question 24 (8 points) What is the process to determine the theoretical yield of solid produced when 25.00 mL of 1.00 M silver nitrate and 25.00 mL of 0.100 M calcium chloride are combined? The molar mass of silver chloride is 143.32 g.mol-1 2AgNO3(aq) +CaCl2(aq) -- 2AgCl(s) + Ca(NO3)2(aq) 1.00...
5. In the reaction shown here, what is oxidized? What is reduced? What is the oxidizing agent? What is the reducing...
5. In the reaction shown here, what is oxidized? What is reduced? What is the oxidizing agent? What is the reducing agent? 6 -6 +6 +6 6 -6 1 Fe2O3 + 3 H2 → 2 Fe + 3 H20
Question 22 (4 points) Cr2O72- + 3 H2O2 + 8 H+ + 2 Cr3+ + 3...
Question 22 (4 points) Cr2O72- + 3 H2O2 + 8 H+ + 2 Cr3+ + 3 O2 + 7 H2O In the above reaction Ocrin Cr₂O7 2- is reduced. OH in H+ is oxidized. Cr₂O7 2 is the oxidizing agent and H2O2 is the reducing agent. Cr₂O7 2- is the reducing agent and H2O2 is the oxidizing agent.
Question 11 (8 points) For the nitrate ion, NO3. predict the bond energy between nitrogen and...
Question 11 (8 points) For the nitrate ion, NO3. predict the bond energy between nitrogen and the oxygen labeled "A". The bond enthalpy of N-Ois 222 kJ.mol-1 and N-O is 590 k.mol-1 A :O: :0: :0: N :01 406 kJ mol-1 222 kJ.mol-1 590 kJ.mol-1 345 kJ mol 1 Question 12 (8 points) When a 45.0 g sample of an alloy at 100.0 °C is dropped into 100.0 g of water at 25.0°C, the final temperature is 37.0 °C. What...
Question 9 (8 points) Which molecule has polar bonds but is overall nonpolar? SO3 H₂S 03...
Question 9 (8 points) Which molecule has polar bonds but is overall nonpolar? SO3 H₂S 03 SO2 Question 10 (8 points) Which statement best describes the bond length(s) in the nitrite ion (shown)? The bond length of N-O is 136 pm and N-O is 122 pm. O: There are two bonds lengths where one bond is 136 pm, and the other is 122 pm. There is one bond length of 129 pm. There are two bonds lengths where the bonds...
please show work? Question 38 (8 points) A 50.0 L reaction vessel contains 2.00 mole nitrogen,...
please show work?
Question 38 (8 points) A 50.0 L reaction vessel contains 2.00 mole nitrogen, 3.00 mole hydrogen and 0.500 mole NH3. The mixture is approaching the following equilibrium: N2(g) + 3H2(g) + 2NH3(9) a) Calculate the reaction quotient Q. b) If the value of Kc is 0.500, predict which direction the reaction will go in order to reach equilibrium(to the right, to the left, or no change). Explain your answer.
15 Question (3 points) e See page 648 In a study of the formation of NOx...
15 Question (3 points) e See page 648 In a study of the formation of NOx air pollution, a chamber heated to 2200°C was filled with air (.790 atm N2, 0.2 10 atm O2). What are the equilibrium partial pressures of N2, O2, and NO if Kp = 0.0520 for the following reaction: N2(8)+02(g) 2NO (g) 1st attempt See Periodic Table Part 1 (1 point) See Hint P(N2) = atm Part 2 (1 point) P(O2) atm See Hint Part 3...
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the...
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the best oxidizing agent? 12 reaction Ered (V) Pb4+ + 2e → Pb2+ +1.67 Cd2+ + 2e Cd -0.40 OCd O Pb2+ OP64+ O ca²+ Question 39 (1 point) Which balanced equation corresponds to the formation reaction for carbon monoxide, CO(g)? CO(g) + 1202(g) → CO2(g) 2CO(g) + O2(g) → 2CO2(g) C(s) + 102(g) → CO(g) 2C(s) + O2(g) → 2CO(g) Question 38 (1 point)...
Can someone help answer these? 9. Percent yield a. In an experiment to prepare sodium acetate, the theoretical yie...
Can
someone help answer these?
9. Percent yield a. In an experiment to prepare sodium acetate, the theoretical yield is 105,0 g. If the actual yield is 99.8 g, what is the percent yield? b. You have calculated that you should obtain 567.3 g of Al from Al2O3. You only obtained 492.2 g. What was your percent yield? c. If you should have gotten 98.5 g of CaCO3 from an experiment and this represented a 75.0% yield, what was the...
Question 16 of 2 Question 16 6 points Consider this reaction at 293 K: 2502(g) +...
Question 16 of 2 Question 16 6 points Consider this reaction at 293 K: 2502(g) + O2(g) - 2503(g). The reaction mixture initially contains 1.0 atm of SO2 and 1.0 atm O2. Use the drop down to complete the ICE table below. 2502480 + O2) - 250318) 1.0 1.0 0.0 с 1 E 2x Moving to another question will save this respo +2x -X - 2x 1,0 + x 1.0. 2x 10-X 1.0 - 2x Question 16 of 27 Clase...
The first three ionization energies of an element X are 590,1145, and 4912 kJ.mol 1. What is the most likely formula for the stable ion of X? Ох* Ох Ox+ Question 24 (8 points) What is the process to determine the theoretical yield of solid produced when 25.00 mL of 1.00 M silver nitrate and 25.00 mL of 0.100 M calcium chloride are combined? The molar mass of silver chloride is 143.32 g.mol-1 2AgNO3(aq) +CaCl2(aq) -- 2AgCl(s) + Ca(NO3)2(aq) 1.00...
5. In the reaction shown here, what is oxidized? What is reduced? What is the oxidizing agent? What is the reducing agent? 6 -6 +6 +6 6 -6 1 Fe2O3 + 3 H2 → 2 Fe + 3 H20
Question 22 (4 points) Cr2O72- + 3 H2O2 + 8 H+ + 2 Cr3+ + 3 O2 + 7 H2O In the above reaction Ocrin Cr₂O7 2- is reduced. OH in H+ is oxidized. Cr₂O7 2 is the oxidizing agent and H2O2 is the reducing agent. Cr₂O7 2- is the reducing agent and H2O2 is the oxidizing agent.
Question 11 (8 points) For the nitrate ion, NO3. predict the bond energy between nitrogen and the oxygen labeled "A". The bond enthalpy of N-Ois 222 kJ.mol-1 and N-O is 590 k.mol-1 A :O: :0: :0: N :01 406 kJ mol-1 222 kJ.mol-1 590 kJ.mol-1 345 kJ mol 1 Question 12 (8 points) When a 45.0 g sample of an alloy at 100.0 °C is dropped into 100.0 g of water at 25.0°C, the final temperature is 37.0 °C. What...
Question 9 (8 points) Which molecule has polar bonds but is overall nonpolar? SO3 H₂S 03 SO2 Question 10 (8 points) Which statement best describes the bond length(s) in the nitrite ion (shown)? The bond length of N-O is 136 pm and N-O is 122 pm. O: There are two bonds lengths where one bond is 136 pm, and the other is 122 pm. There is one bond length of 129 pm. There are two bonds lengths where the bonds...
please show work?
Question 38 (8 points) A 50.0 L reaction vessel contains 2.00 mole nitrogen, 3.00 mole hydrogen and 0.500 mole NH3. The mixture is approaching the following equilibrium: N2(g) + 3H2(g) + 2NH3(9) a) Calculate the reaction quotient Q. b) If the value of Kc is 0.500, predict which direction the reaction will go in order to reach equilibrium(to the right, to the left, or no change). Explain your answer.
15 Question (3 points) e See page 648 In a study of the formation of NOx air pollution, a chamber heated to 2200°C was filled with air (.790 atm N2, 0.2 10 atm O2). What are the equilibrium partial pressures of N2, O2, and NO if Kp = 0.0520 for the following reaction: N2(8)+02(g) 2NO (g) 1st attempt See Periodic Table Part 1 (1 point) See Hint P(N2) = atm Part 2 (1 point) P(O2) atm See Hint Part 3...
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the best oxidizing agent? 12 reaction Ered (V) Pb4+ + 2e → Pb2+ +1.67 Cd2+ + 2e Cd -0.40 OCd O Pb2+ OP64+ O ca²+ Question 39 (1 point) Which balanced equation corresponds to the formation reaction for carbon monoxide, CO(g)? CO(g) + 1202(g) → CO2(g) 2CO(g) + O2(g) → 2CO2(g) C(s) + 102(g) → CO(g) 2C(s) + O2(g) → 2CO(g) Question 38 (1 point)...
Can
someone help answer these?
9. Percent yield a. In an experiment to prepare sodium acetate, the theoretical yield is 105,0 g. If the actual yield is 99.8 g, what is the percent yield? b. You have calculated that you should obtain 567.3 g of Al from Al2O3. You only obtained 492.2 g. What was your percent yield? c. If you should have gotten 98.5 g of CaCO3 from an experiment and this represented a 75.0% yield, what was the...
Question 16 of 2 Question 16 6 points Consider this reaction at 293 K: 2502(g) + O2(g) - 2503(g). The reaction mixture initially contains 1.0 atm of SO2 and 1.0 atm O2. Use the drop down to complete the ICE table below. 2502480 + O2) - 250318) 1.0 1.0 0.0 с 1 E 2x Moving to another question will save this respo +2x -X - 2x 1,0 + x 1.0. 2x 10-X 1.0 - 2x Question 16 of 27 Clase...
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