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please explain I don't understand how to do this
<Chapter 19 Exercise 19.50 with feedback 10...
2Ca(s)+O2(g) → 2CaO(s) ΔH∘rxn= -1269.8 kJ; ΔS∘rxn= -364.6 J/K For this problem, assume that all reactants...
2Ca(s)+O2(g) → 2CaO(s) ΔH∘rxn=
-1269.8 kJ; ΔS∘rxn= -364.6 J/K For this problem, assume that all
reactants and products are in their standard states. You may want
to reference (Pages 811 - 815) Section 18.6 while completing this
problem.
<Chapter 18 Homework Exercise 18.46 - Enhanced - with Feedback 20 of 37 Review I Constants I Periodic Table 2Ca(s)02(g)2CaO(s) AH 1269.8 kJ; AS 364.6 J/K Part A For this problem, assume that all reactants and products are in their standard states....
n Review | Constants Periodic Table 2 Ca(s) + O2(g) + 2Cao(s) AH = -1269.8 kJ;...
n Review | Constants Periodic Table 2 Ca(s) + O2(g) + 2Cao(s) AH = -1269.8 kJ; ASX = -364.6 J/K Part A For this problem, assume that all reactants and products are in their standard states. You may want to reference (Pages 811 - 815) Section 18.6 while completing this problem. Calculate the free energy change for the reaction at 24 °C. Express your answer using four significant figures. V AEQ O 2 ? AG = Submit Previous Answers Request...
urse Home CChapter 10 Homework Problem 10.44-Enhanced-with Feedback You may want to reference (Pages 340-345) Section...
urse Home CChapter 10 Homework Problem 10.44-Enhanced-with Feedback You may want to reference (Pages 340-345) Section 10.6 while completing this problem. PartA A patient with respiratory alkalosis has a blood plasma pH of 7.57. What is the [OH of the blood plasma? Express your answer to two significant figures and include the appropriate units. (OH- 0.317 SubmitP Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining; no points deducted Use either an integer, decimal number, or scientific notation for...
(Post-Lecture Ch 17 Exercise 17.86 - Enhanced - with Feedback Part B Use the K, values to calculate the molar solub...
(Post-Lecture Ch 17 Exercise 17.86 - Enhanced - with Feedback Part B Use the K, values to calculate the molar solubility of each of the following compounds in pure water You may want to reference (Pages 769 - 775) Section 175 while completing this problem Ag, CO, (K. = 1.12x10-12) Express your answer in moles per liter. V AED 1.03. 10-4 Submit Previous Answers Request Answer * Incorrect; Try Again Part C Ca(OH), (K. = 4.68x10-6) Express your answer in...
Course Home C14.3 Rato Law and Reaction Order Exercise 14.42-Enhanced-with Feedback Consider the following data showing...
Course Home C14.3 Rato Law and Reaction Order Exercise 14.42-Enhanced-with Feedback Consider the following data showing the initial rate of a reaction (A? products) at several different Part C Estimate the value of the rate constant, k Express your answer using two significant figures A(M) Initial rate (M/s) 0.15 0.024 0.30 0.189 0.60 1.512 k0.16 M-2.8-1 You may want to reference (Pages 629-634) Section 14.3 while completing this problem. Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining
< Problem Set #5 (Ch 15) Exercise 15.56 - Enhanced - with Feedback Consider the reaction...
< Problem Set #5 (Ch 15) Exercise 15.56 - Enhanced - with Feedback Consider the reaction CO (g) + H20 (g) = CO2 (g) + H2 (g) Ke = 102 at 500 K A reaction mixture initially contains 0.125 M CO and 0.125 M H,O. You may want to reference (Pages 656 - 664) Section 15.8 while completing this problem. Part A What will be the equilibrium concentration of CO? Express the concentration in molarity to two significant figures. ?...
I need help for both questions. lem 7.4 - Enhanced - with Feedback A Review Constants...
I
need help for both questions.
lem 7.4 - Enhanced - with Feedback A Review Constants How many kilocalories are required to produce 13.2 g of aluminum? e following equation shows the conversion of minum oxide (from the ore bauxite) to aluminum: 2AhO3(s) + 4Al(s) + 302 (g), AH = +801 kcal (+3350 kJ) VO AED ? kcal You may want to reference (Pages 187 - 192) Section 7 3 while completing this problem Submit Previous Answers Request Answer X...
Use standard free energies of formation to calculate AG at 25°C for each of the following...
Use standard free energies of formation to calculate AG at 25°C for each of the following reactions. AG xn = EMAG (produ Substituting the appropriate stoichiometric coefficients from the balanced chem AGPx = 175.2 kJ. AGî (kJ/mol) -228.6 -237.1 -16.4 87.6 Part D -137.2 2KCIO3(s) +2KC1(s) + 302(g) Express your answer to one decimal place and include the appropriate units. Substance H2O(g) H2O(1) NH3(g) NO(g) CO(g) CO2(g) CH4(g) C2H2(g) CC4(1) Fe3O4(s) KCIO3(s) KCI(S) -394.4 -50.5 209.9 -66.4 AGFn = 224.4...
please explain how to get the answer, thank you! <Post Lecture Homework Chapter 08 Exercise 7.56 - Enhanced - with Fe...
please explain how to get the answer, thank you!
<Post Lecture Homework Chapter 08 Exercise 7.56 - Enhanced - with Feedback 6 of 9 > Review Constants | Periodic Table An electron traveling at 3.3x105 m/shas an uncertainty in its velocity of 1.48x105 m/s. Part A You may want to reference (Page) Section 7.4 while completing this problem. What is the uncertainty in its position? Express your answer with the appropriate units. CH HÅR O a ? Ar> Value Units...
please help me with part C,D, and E. I dont understand how to get that. The...
please help me with part C,D, and E. I dont understand
how to get that.
The posltion of a car as a function of time is 9ven by e (40 m) + (-6.0 m/ot+ (-10 m/)e PartA What is the initial position of the car? Express your answer to two significant figures and include appropriate units. 40 m Previous Answers Correct Part B What is the initial velocity of the car? Express your answer to wo significant Sgures andincode appropriate...
2Ca(s)+O2(g) → 2CaO(s) ΔH∘rxn=
-1269.8 kJ; ΔS∘rxn= -364.6 J/K For this problem, assume that all
reactants and products are in their standard states. You may want
to reference (Pages 811 - 815) Section 18.6 while completing this
problem.
<Chapter 18 Homework Exercise 18.46 - Enhanced - with Feedback 20 of 37 Review I Constants I Periodic Table 2Ca(s)02(g)2CaO(s) AH 1269.8 kJ; AS 364.6 J/K Part A For this problem, assume that all reactants and products are in their standard states....
n Review | Constants Periodic Table 2 Ca(s) + O2(g) + 2Cao(s) AH = -1269.8 kJ; ASX = -364.6 J/K Part A For this problem, assume that all reactants and products are in their standard states. You may want to reference (Pages 811 - 815) Section 18.6 while completing this problem. Calculate the free energy change for the reaction at 24 °C. Express your answer using four significant figures. V AEQ O 2 ? AG = Submit Previous Answers Request...
urse Home CChapter 10 Homework Problem 10.44-Enhanced-with Feedback You may want to reference (Pages 340-345) Section 10.6 while completing this problem. PartA A patient with respiratory alkalosis has a blood plasma pH of 7.57. What is the [OH of the blood plasma? Express your answer to two significant figures and include the appropriate units. (OH- 0.317 SubmitP Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining; no points deducted Use either an integer, decimal number, or scientific notation for...
(Post-Lecture Ch 17 Exercise 17.86 - Enhanced - with Feedback Part B Use the K, values to calculate the molar solubility of each of the following compounds in pure water You may want to reference (Pages 769 - 775) Section 175 while completing this problem Ag, CO, (K. = 1.12x10-12) Express your answer in moles per liter. V AED 1.03. 10-4 Submit Previous Answers Request Answer * Incorrect; Try Again Part C Ca(OH), (K. = 4.68x10-6) Express your answer in...
Course Home C14.3 Rato Law and Reaction Order Exercise 14.42-Enhanced-with Feedback Consider the following data showing the initial rate of a reaction (A? products) at several different Part C Estimate the value of the rate constant, k Express your answer using two significant figures A(M) Initial rate (M/s) 0.15 0.024 0.30 0.189 0.60 1.512 k0.16 M-2.8-1 You may want to reference (Pages 629-634) Section 14.3 while completing this problem. Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining
< Problem Set #5 (Ch 15) Exercise 15.56 - Enhanced - with Feedback Consider the reaction CO (g) + H20 (g) = CO2 (g) + H2 (g) Ke = 102 at 500 K A reaction mixture initially contains 0.125 M CO and 0.125 M H,O. You may want to reference (Pages 656 - 664) Section 15.8 while completing this problem. Part A What will be the equilibrium concentration of CO? Express the concentration in molarity to two significant figures. ?...
I
need help for both questions.
lem 7.4 - Enhanced - with Feedback A Review Constants How many kilocalories are required to produce 13.2 g of aluminum? e following equation shows the conversion of minum oxide (from the ore bauxite) to aluminum: 2AhO3(s) + 4Al(s) + 302 (g), AH = +801 kcal (+3350 kJ) VO AED ? kcal You may want to reference (Pages 187 - 192) Section 7 3 while completing this problem Submit Previous Answers Request Answer X...
Use standard free energies of formation to calculate AG at 25°C for each of the following reactions. AG xn = EMAG (produ Substituting the appropriate stoichiometric coefficients from the balanced chem AGPx = 175.2 kJ. AGî (kJ/mol) -228.6 -237.1 -16.4 87.6 Part D -137.2 2KCIO3(s) +2KC1(s) + 302(g) Express your answer to one decimal place and include the appropriate units. Substance H2O(g) H2O(1) NH3(g) NO(g) CO(g) CO2(g) CH4(g) C2H2(g) CC4(1) Fe3O4(s) KCIO3(s) KCI(S) -394.4 -50.5 209.9 -66.4 AGFn = 224.4...
please explain how to get the answer, thank you!
<Post Lecture Homework Chapter 08 Exercise 7.56 - Enhanced - with Feedback 6 of 9 > Review Constants | Periodic Table An electron traveling at 3.3x105 m/shas an uncertainty in its velocity of 1.48x105 m/s. Part A You may want to reference (Page) Section 7.4 while completing this problem. What is the uncertainty in its position? Express your answer with the appropriate units. CH HÅR O a ? Ar> Value Units...
please help me with part C,D, and E. I dont understand
how to get that.
The posltion of a car as a function of time is 9ven by e (40 m) + (-6.0 m/ot+ (-10 m/)e PartA What is the initial position of the car? Express your answer to two significant figures and include appropriate units. 40 m Previous Answers Correct Part B What is the initial velocity of the car? Express your answer to wo significant Sgures andincode appropriate...
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