Homework Answers
1)
1 mol of H2SO4 has 2 moles of H
So,
Moles of H2SO4 = moles of H / 2
= 8.80 mol / 2
= 4.40 mol
Answer: 4.40 mol
2)
1 mol of C2H4O2 has 4 moles of H
So,
Moles of C2H4O2 = moles of H / 4
= 8.80 mol / 4
= 2.20 mol
Answer: 2.20 mol
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< Feedback Use the stoichiometric ratios between each compound and H as conversion factors. 1 mol...
< Question 1 of 3 > Attempt 2 - An unknown compound contains only C, H,...
< Question 1 of 3 > Attempt 2 - An unknown compound contains only C, H, and O. Combustion of 6.60 g of this compound produced 13.2 g CO, and 5.40 g H,O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical formula: C,H,O,
emistry Course Home <Chapter 11 HW Exercise 11.61 A cylinder contains 28 0 L of oxygen...
emistry Course Home <Chapter 11 HW Exercise 11.61 A cylinder contains 28 0 L of oxygen gas at a pressure of 1.8 atm and a temperature of 298 K Part A How many moles of gas are in the cylinder? Express your answer using two significant figures. ινα ΑΣφ mol Submit Request Answer Provide Feedback
Part A, B, and C plz h feedback nstant for hypochlorous < 101 10 0-8 A...
Part A, B, and C plz
h feedback nstant for hypochlorous < 101 10 0-8 A Review Constants Periodic Table ee (Page) Section 16.6 elem Part A Calculate the concentration of H20 at equilibrium if the initial concentration of HCIO is 8.5x10-'M. Express the molarity to two significant digits. O ACCO ? (H30"]= Submit Request Answer Part B Calculate the concentration of CIO at equilibrium if the initial concentration of HCIO is 8.5x10M Express the molarity to two significant digits....
Give Up Hint Assignment Score: 233/2000 Resources Check Answer KY < Question 12 of 20 Nitrogen...
Give Up Hint Assignment Score: 233/2000 Resources Check Answer KY < Question 12 of 20 Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia 2 NH,(g) N,(g) +3 H2(g) - Assume 0.200 mol N, and 0.656 mol H, are present initially After complete reaction, how many moles of ammonia are produced? NH3 How many moles of H, remain? H2 How many moles of N, remain? hep centact us privacy policy terms of...
a buffer contains 0.13 mol of propionic acid and 0.30 mol of sodium propionate in 1.20...
a buffer contains 0.13 mol of propionic acid and 0.30 mol of
sodium propionate in 1.20 L.
DUL Course Home <Exam 3 Online and Workout Problems Item 14 A buffer contains 0.13 mol of propionic acid (C2H5COOH) and 0.30 mol of sodium propionate (C2H5COONa) in 1.20 L. You may want to reference (Pages 721 - 729) Section 17.2 while completing this problem. Part A What is the pH of this buffer? Express the pH to two decimal places. 0 AED...
fill in the blanks <MC8 Exercise 11.58 - Enhanced - with Feedback Use the combined gas...
fill in the blanks
<MC8 Exercise 11.58 - Enhanced - with Feedback Use the combined gas law to complete the following table. (Assume the number of moles of gas to be constant.) Part PV TP V2 T2 A 1. 11 111 3 .1 0.64 0.67 41.8 A atm — °C atm L °C 41.3 629 36.0 209 torr mL torr mL K 1.875 21.4 0.402 2.0247.3 | °C atmL °C 126 You may want to reference (Pages 374 - 376)...
Assignment Score: 1283/2500 Resources aveusz Hint Check Answ < Question 14 of 25 > For each compound, determi...
Assignment Score: 1283/2500 Resources aveusz Hint Check Answ < Question 14 of 25 > For each compound, determine the direction of bond polarity. Leave the box blank for a nonpolar bond. Br-Br H-CI F-CH Answer Bank about us Careers privacy policy terms of use contact us help
I need an explanation of how to do these problems and the principles behind them Page...
I need an explanation of how to do these problems and the
principles behind them
Page < 3. The following equation describes the titration of KHP with NaOH "KHP) (a) If0.653 g of KHP is used, how many moles of KHP are present? imol КНР 204.22 g ?mol 0.653g ? mol 0.00320 mol KHP (b) The KHP solution is then titrated. Show what volume of NaOH was necessary to reach the equivalence point, based on the following readings. Initial Volume...
Attempt 1 The rate of the given reaction is 0.180 M/s. < > Feedback Х A...
Attempt 1 The rate of the given reaction is 0.180 M/s. < > Feedback Х A +4B2C Use the formula What is the relative rate of change of each species in the reaction? . A[A] 1 A[B] rate = 1 At4 At A[A] – E4 where rate = 0.180 M/s. Notice that you will have to do some algebra to isolate the individual species rates. Also note that the rate of change of the product has the same sign as...
If, for a particular process, delta H = -214 kJ/mol and delta S = 450 J/mole...
If, for a particular process, delta H = -214 kJ/mol
and delta S = 450 J/mole K, the process will be. Please show work
too, I am trying hard to understand!
< > Options Due Monday, Nov 25, 11:59pm EST © Explain how spontaneity is affected by temperature Question If, for a particular process, AH = -214 and AS - 450k the process will be: Select the correct answer below: O spontaneous at any temperature O nonspontaneous at any temperature...
< Question 1 of 3 > Attempt 2 - An unknown compound contains only C, H, and O. Combustion of 6.60 g of this compound produced 13.2 g CO, and 5.40 g H,O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical formula: C,H,O,
emistry Course Home <Chapter 11 HW Exercise 11.61 A cylinder contains 28 0 L of oxygen gas at a pressure of 1.8 atm and a temperature of 298 K Part A How many moles of gas are in the cylinder? Express your answer using two significant figures. ινα ΑΣφ mol Submit Request Answer Provide Feedback
Part A, B, and C plz
h feedback nstant for hypochlorous < 101 10 0-8 A Review Constants Periodic Table ee (Page) Section 16.6 elem Part A Calculate the concentration of H20 at equilibrium if the initial concentration of HCIO is 8.5x10-'M. Express the molarity to two significant digits. O ACCO ? (H30"]= Submit Request Answer Part B Calculate the concentration of CIO at equilibrium if the initial concentration of HCIO is 8.5x10M Express the molarity to two significant digits....
Give Up Hint Assignment Score: 233/2000 Resources Check Answer KY < Question 12 of 20 Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia 2 NH,(g) N,(g) +3 H2(g) - Assume 0.200 mol N, and 0.656 mol H, are present initially After complete reaction, how many moles of ammonia are produced? NH3 How many moles of H, remain? H2 How many moles of N, remain? hep centact us privacy policy terms of...
a buffer contains 0.13 mol of propionic acid and 0.30 mol of
sodium propionate in 1.20 L.
DUL Course Home <Exam 3 Online and Workout Problems Item 14 A buffer contains 0.13 mol of propionic acid (C2H5COOH) and 0.30 mol of sodium propionate (C2H5COONa) in 1.20 L. You may want to reference (Pages 721 - 729) Section 17.2 while completing this problem. Part A What is the pH of this buffer? Express the pH to two decimal places. 0 AED...
fill in the blanks
<MC8 Exercise 11.58 - Enhanced - with Feedback Use the combined gas law to complete the following table. (Assume the number of moles of gas to be constant.) Part PV TP V2 T2 A 1. 11 111 3 .1 0.64 0.67 41.8 A atm — °C atm L °C 41.3 629 36.0 209 torr mL torr mL K 1.875 21.4 0.402 2.0247.3 | °C atmL °C 126 You may want to reference (Pages 374 - 376)...
Assignment Score: 1283/2500 Resources aveusz Hint Check Answ < Question 14 of 25 > For each compound, determine the direction of bond polarity. Leave the box blank for a nonpolar bond. Br-Br H-CI F-CH Answer Bank about us Careers privacy policy terms of use contact us help
I need an explanation of how to do these problems and the
principles behind them
Page < 3. The following equation describes the titration of KHP with NaOH "KHP) (a) If0.653 g of KHP is used, how many moles of KHP are present? imol КНР 204.22 g ?mol 0.653g ? mol 0.00320 mol KHP (b) The KHP solution is then titrated. Show what volume of NaOH was necessary to reach the equivalence point, based on the following readings. Initial Volume...
Attempt 1 The rate of the given reaction is 0.180 M/s. < > Feedback Х A +4B2C Use the formula What is the relative rate of change of each species in the reaction? . A[A] 1 A[B] rate = 1 At4 At A[A] – E4 where rate = 0.180 M/s. Notice that you will have to do some algebra to isolate the individual species rates. Also note that the rate of change of the product has the same sign as...
If, for a particular process, delta H = -214 kJ/mol
and delta S = 450 J/mole K, the process will be. Please show work
too, I am trying hard to understand!
< > Options Due Monday, Nov 25, 11:59pm EST © Explain how spontaneity is affected by temperature Question If, for a particular process, AH = -214 and AS - 450k the process will be: Select the correct answer below: O spontaneous at any temperature O nonspontaneous at any temperature...
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