Question

Calculate the enthalpy change for the reaction C (graphite) + 2 H2 (g) + ½ O2...

Calculate the enthalpy change for the reaction C (graphite) + 2 H2 (g) + ½ O2 (g) → CH3OH (ℓ)

Using the following information: C (graphite) + O2 (g) → CO2 (g) ΔHf° = –393.5 kJ H2 (g) + ½ O2 (g) → H2O (ℓ) ΔHf° = –285.8 kJ CH3OH (ℓ) + 3/2 O2 (g) → CO2 (g) + 2 H2O (ℓ) ΔHrxn° = –726.4 kJ

a. –238.7 kJ

b. 1691.5 kJ

c. –1691.5 kJ

d. 47.1 kJ

e. –47.1 kJ

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
Calculate the enthalpy change for the reaction C (graphite) + 2 H2 (g) + ½ O2...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

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
  • Please explain Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) =>...

    Please explain Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) => H2O(1) AH = -285.8 kJ CH3OH(1) + 3/202(9) A CO2(g) + 2H20(1) AH = -726.4 kJ Using the data above, calculate the enthalpy change for the reaction below. Reaction: C(graphite) + 2H2(g) + 1/2O2(g) => CH3OH(1) A. +238.7 kJ B.-238.7 kJ C. +548.3 kJ D.-548.3 kJ E. +904.5 kJ

  • PROBLEM-SOLVING CLASS ACTIVITY 11 Use Hess's Law to calculate the enthalpy of formation of CH2OH: C(graphite)...

    PROBLEM-SOLVING CLASS ACTIVITY 11 Use Hess's Law to calculate the enthalpy of formation of CH2OH: C(graphite) + 2 H2(g) + 1026) → CH2OH(1) Given the following data: CH2OH() • 02(9) + CO2(g) + 2H2O(1) AH°: -726.4 kJ/mol C(graphite). O2(g) → CO2(9) AH' = -393.5 kJ/mol H2(g) + 40269) → H2O(1) AH = -285.8 kJ/mol

  • From the following data, C(graphite) + O2(g) → CO2(g) AHrxn = -393.5 kJ/mol H2(g) + O2(g)...

    From the following data, C(graphite) + O2(g) → CO2(g) AHrxn = -393.5 kJ/mol H2(g) + O2(g) → H200) AH"rxn = -285.8 kJ/mol 2C2H6(g) + 702(g) -> 4CO2(g) + 6H2O(l) Arxn=-3119.6 kJ/mol Calculate the enthalpy change for the reaction: 2 C(graphite) + 3H2(g) + C2H668)

  • Determine Heat of reaction (Hrxn) for: 2 C (s, graphite) + 3 H2 (g) ------> C2H6...

    Determine Heat of reaction (Hrxn) for: 2 C (s, graphite) + 3 H2 (g) ------> C2H6 (g) from the following C (s, graphite) + O2 (g) ------> CO2 (g) delta H = -393.5 kJ H2 (g) + 1/2 O2 (g) ------> H2O (l) delta H = -285.8 kJ 2 C2H6 (g) + 7 O2 (g) ------> 6 H2O (l) + 4 CO2 (g) delta H = -3,119.6 kJ

  • From the following heats of combustion, CH3OH(l) + 3/2O2(g) → CO2(g) + 2H2O(l)         ΔHorxn = –726.4...

    From the following heats of combustion, CH3OH(l) + 3/2O2(g) → CO2(g) + 2H2O(l)         ΔHorxn = –726.4 kJ/mol             C(graphite) + O2(g) → CO2(g)                               ΔHorxn = –393.5 kJ/mol             H2(g) + ½O2(g) → H2O(l)                                      ΔHorxn = –285.8 kJ/mol                  Calculate the enthalpy of formation of methanol (CH3OH) from its elements.             C(graphite) + 2H2(g) + ½O2(g) → CH3OH(l) Methanol (CH3OH) is an organic solvent and is also used as a fuel in some automobile engines. From...

  • Find the enthalpy change for the reaction CS2(l) + 3 O2(g) → CO2(g) + 2 SO2(g)...

    Find the enthalpy change for the reaction CS2(l) + 3 O2(g) → CO2(g) + 2 SO2(g) when: C(s) + O2(g) → CO2(g)          ΔHf = -393.5 kJ/mol S(s) + O2(g) → SO2(g)          ΔHf = -296.8 kJ/mol C(s) + 2 S(s) → CS2(l)           ΔHf = 87.9 kJ/mol

  • The combustion reaction of ethane is as follows. C2H6(g) + 7/2 O2(g) → 2 CO2(g) +...

    The combustion reaction of ethane is as follows. C2H6(g) + 7/2 O2(g) → 2 CO2(g) + 3 H2O(l) Using Hess's law and the reaction enthalpies given below, find the change in enthalpy for this reaction. reaction (1):     C(s) + O2(g) → CO2(g)     ΔH = −393.5 kJ/mol reaction (2):     H2(g) + 1/2 O2(g) → H2O(l)     ΔH = −285.8 kJ/mol reaction (3):     2 C(s) + 3 H2(g) → C2H6(g)     ΔH = −84.0 kJ/mol

  • Consider the following reaction:              C2H2 (g)+ 52 O2 (g) ® 2 CO2 (g) + H2O...

    Consider the following reaction:              C2H2 (g)+ 52 O2 (g) ® 2 CO2 (g) + H2O (g)                       Given ΔHf° of CO2 (g) = -393.5 KJ/mol, ΔHf° H2O (g) = -241.8 KJ/mol, and ΔHf° for C2H2 (g) = 227.4 KJ/mol, calculate ΔHrxn° for this reaction. How many KJ of heat is released when 0.440 kg of carbon dioxide produced?

  • Use the following information to calculate the heat of formation of propane C3H8. 3 C (S-Graphite)...

    Use the following information to calculate the heat of formation of propane C3H8. 3 C (S-Graphite) + 4 H2 (g) —› C3H8 (g) 1. C (S-Graphite) + O2 (g) —› CO2 (g) ΔH = - 393.5 kJ 2. H2 (g) + ½ O2 (g) —› H2O (l) ΔH = - 285.8 kJ 3. C3H4 (g) + 4 O2 (g) —› 3 CO2 (g) + 2 H2O (l) ΔH = - 1937 kJ 4. C3H6 (g) + 9/2 O2 (g) —›...

  • Enter your answer in the provided box From the following data, C(graphite) + O2(0)+ CO2(g) An°...

    Enter your answer in the provided box From the following data, C(graphite) + O2(0)+ CO2(g) An° . =-393.5 kJ/mol rxn Hy(@) +0,6) H200 AH =-285.8 kJ/mol rxn 2C2H6(8) + 1026) →40026) + 6H20(1) AH =-3119.6 kJ/mol rxn calculate the enthalpy change for the reaction below: 2 C(graphite) + 3H2(g) → CH()

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