HomeworkLib
Question

Please help with this question. The last time I posted it, it was incorrect. A mixture...

Please help with this question. The last time I posted it, it was incorrect.

A mixture of methane and propane is stored at 853.5 mmHg853.5 mmHg and 298 K298 K. When 17.90 L17.90 L of this mixture is combusted in oxygen, it produces 1313 kJ1313 kJ of heat. What is the mole fraction of methane and propane in the mixture? Assume water produced from this combustion reaction is in the gaseous state.

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Please check the calculations and pay attention to the unit analysis.

I have taken the data of combustion energy from INTERNET it may vary slightly from different website to website.

0 0
Add a comment
Know the answer?
Add Answer to:
Please help with this question. The last time I posted it, it was incorrect. A mixture...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A gaseous fuel mixture stored at 745 mmHg and 298 K contains only methane (CH4) and...

    A gaseous fuel mixture stored at 745 mmHg and 298 K contains only methane (CH4) and propane (C3H8). When 11.3 L of this fuel mixture is burned, it produces 760 kJ of heat. What is the mole fraction of methane in the mixture? (Assume that the water produced by the combustion is in the gaseous state.)

  • PLEASE help with these 3 questions thanks in advance none of the specific heat is given....

    PLEASE help with these 3 questions thanks in advance none of the specific heat is given. The questions I guess is complete like that. PLEASE help me The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work! concerning the formation and decomposition of ozone in the stratosphere. Rowland and Molina hypothesized that chlorofluorocarbons (CFCs) in the stratosphere break down upon exposure to UV radiation, producing chlorine atoms. Chlorine was previously...

  • A gaseous fuel mixture contains 25.3% methane (CH4), 38.2% ethane (C2H6), and the rest propane (C3H8)...

    A gaseous fuel mixture contains 25.3% methane (CH4), 38.2% ethane (C2H6), and the rest propane (C3H8) by volume. When the fuel mixture contained in a 1.76 L tank, stored at 756 mmHg and 298 K, undergoes complete combustion, how much heat is emitted? (Assume that the water produced by the combustion is in the gaseous state.) Express your answer with the appropriate units.

  • MHE Reader Propane, C3Hs(&), reacts with oxygen gas to produce carbon dioxide gas and water vapor....

    MHE Reader Propane, C3Hs(&), reacts with oxygen gas to produce carbon dioxide gas and water vapor. a) b) 2. Write a balanced equation including states of matter for the reaction. If 4.55 g of propane reacts with excess oxygen under standard conditions, calculate the theoretical yields (in grams) for both carbon dioxide and water, and · the total amount of heat released/absorbed when the reaction is complete. c) Ethanol is currently being used as a replenishable fuel alternative/supplement because it...

  • Question 4 Not changed since last attempt Marked out of 1.00 Calculate w (in kJ) when 189 g iron (III) oxide (MM =...

    Question 4 Not changed since last attempt Marked out of 1.00 Calculate w (in kJ) when 189 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 451 K: 2Fe2O3(s) + 3C(s) + 4Fe(s) + 3CO2(g) P Flag question Answer: Question 5 Not yet answered Calculate the work (in kJ) when 2.20 moles of methane react with excess oxygen at 470 K: Marked out of 1.00 CH4(g) + 20 (g) + CO2(g)...

  • vice Desk Faculty Help Page Student Help Question 4 Incorrect Calculate w (in kJ) when 189...

    vice Desk Faculty Help Page Student Help Question 4 Incorrect Calculate w (in kJ) when 189 g iron (In) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 451 K: Mark 0.00 out of 1.00 2Fe2O3(s) + 3C(s) + 4Fe(s) + 3C02(g) P Flag question Answer: -4426.8 Hint, is the work (-) or (+)? Question 7 Incorrect Mark 0.00 out of 1.00 A reaction at 4.21 atm produces 24.6 L of a gas and...

  • Question 17 Incorrect Mark 0.00 out of 1.00 Flag question Calculate the increase of entropy (in...

    Question 17 Incorrect Mark 0.00 out of 1.00 Flag question Calculate the increase of entropy (in J/K) when 76 g of ice melts at 0 °C and 1 atm. (The heat of fusion for ice is 6,000 J/mol.) Answer: 208.4 Question 18 Incorrect Mark 0.00 out of 1.00 Calculate the change in entropy (in J/K) when 29.1 g of water is heated from 27.1 °C to 76.5 °C at 1 atm. (The specific heat is 4.184 J/(g-K).) Flag question Notice...

  • 1.) The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the...

    1.) The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305J of heat is added to 41.7 g of this metal, initially at 20.0 ∘C? 2.) When 1723 J of heat energy is added to 42.3 g of hexane, C6H14, the temperature increases by 18.0 ∘C. Calculate the molar heat capacity of C6H14 3.) Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are...

  • only question e, f, i, j, k You will need graph paper, a calculator, a copy...

    only question e, f, i, j, k You will need graph paper, a calculator, a copy of Appendix I from lesson HTC- 4 2 and access to steam tables to answer this TMA l. A fuel gas consists of 75% butane (C4H10), 10% propane (C3H8) and 15% butene (C,H,) by volume. It is to be fed to the combustion chamber in 10% excess air at 25°C, where it is completely burnt to carbon dioxide and water. The flue gases ane...

  • pages 1-4 go together, and last question is separate but needs an answer. separate question: Which...

    pages 1-4 go together, and last question is separate but needs an answer. separate question: Which state of matter is the most energetic? give a reason for your answer. CHEM&121 WS-11: Equilibrium Worksheet 1. Write the equilibrium expression for the following reactions: a. 200+ 0 2CO b. COCl2 CO + Cl2 c. CS2 + 4H CH. +2H:S d. 2SO2 + 0 2SO e. 2C1:05 O2 + 4CIO 1 2. A sample of gaseous BrCl is allowed to decompose in a...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT