ZuoTi.Pro
Question

What is the standard enthalpy of the reaction, in kJ, at 298K for: 2 A (aq)...

What is the standard enthalpy of the reaction, in kJ, at 298K for:

2 A (aq) + 1 B (aq) <--> 1 C (aq) + 1 D (aq)

if   ΔH° (A)= -32.5912 kJ/mol , ΔH° (B) = -65.9579 kJ/mol, ΔH° (C) = 1.303 kJ/mol, and ΔH° (D) = 28.4551 kJ/mol

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

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
What is the standard enthalpy of the reaction, in kJ, at 298K for: 2 A (aq)...
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

  • The standard enthalpy of formation of CO(g) is −111 kJ/mol [refer to this equation C(s) +...

    The standard enthalpy of formation of CO(g) is −111 kJ/mol [refer to this equation C(s) + 1/2O2(g) ⟶ CO(g)] What is the ΔHorxn of this reaction? (What is the standard enthalpy change of this reaction?) 2C(s) + O2(g) ⟶ 2CO(g) -253 kJ/mol - 222 kJ/mol -97.1 kJ/mol 534 kJ/mol 124.9 kJ/mol -50.5 kJ/mol 5 points    QUESTION 2 (assume A, B, C, and D and E are chemicals) Look at these equations A +  B à  C        ΔH° = -9 kJ/mol rxn...

  • For the reaction 2 A(aq) <---> B(aq) + C(aq), the standard Gibbs free enthalpy change is...

    For the reaction 2 A(aq) <---> B(aq) + C(aq), the standard Gibbs free enthalpy change is 1.47 kJ at 25oC. The initial concentration of A(aq) is 0.567 M, the initial concentration of B(aq) is 0.303 M, and the initial concentration of C(aq) is 0.219 M. What would be the concentration of A(aq) (in mol/L) once we attain equilibrium (we are still at 25oC)? Question 2 : For the reaction 2 A(aq) <---> B(aq) + C(aq), the standard Gibbs free enthalpy...

  • What is the standard enthalpy of formation of     What is the standard enthalpy of formation of    ...

    What is the standard enthalpy of formation of     What is the standard enthalpy of formation of     CH 3 CH 2 CH 2 CHO(l)? CH3CH2CH2CHO(l)? 2CH 3 CH 2 CH 2 CHO(l)+5O 2 (g)→8H 2 O(l)+8CO 2 (g); 2CH3CH2CH2CHO(l)+5O2(g)→8H2O(l)+8CO2(g); ΔH°=–4943.6 kJ ΔH°=–4943.6 kJ Substance ΔH° f (kJ/mol) CO 2 (g) -393.5 H 2 O(l) –285.8    a. –245.4 kJ/mol b. +245.4 kJ/mol c. –1792.5 kJ/mol d. –3151.1 kJ/mol e. +3151.1 kJ/mol

  • A scientist measures the standard enthalpy change for the following reaction to be -2847.0 kJ: 2C2H6(g)...

    A scientist measures the standard enthalpy change for the following reaction to be -2847.0 kJ: 2C2H6(g) + 7 02(g) —4CO2(g) + 6H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CzH6(g) is kJ/mol. A scientist measures the standard enthalpy change for the following reaction to be -15.0 kJ : Ca(OH)2(aq) + 2 HCl(aq) +CaCl(s) + 2 H20(1) Based on this value and the standard enthalpies of formation for...

  • 1. A scientist measures the standard enthalpy change for the following reaction to be -2913.0 kJ:...

    1. A scientist measures the standard enthalpy change for the following reaction to be -2913.0 kJ: 2C2H6(g) + 7 O2(g)->4CO2(g) + 6 H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(g) is  kJ/mol. 2. A scientist measures the standard enthalpy change for the following reaction to be -138.6 kJ : H2(g) + C2H4(g)->C2H6(g) Based on this value and the standard enthalpies of formation for the other substances, the...

  • Be sure to answer all parts. At 25°C, the standard enthalpy of formation of HF(aq) is...

    Be sure to answer all parts. At 25°C, the standard enthalpy of formation of HF(aq) is -320.1 kJ/mol. Of OH(aq), it is -229.5 kJ/mol. Of F (aq), it is -330.2 kJ/mol, and of H2O(l), it is -285.9 kJ/mol. (a) Calculate the standard enthalpy of neutralization of HF(aq): HF(aq) + OH(aq) + (aq) + H2O(1) kJ/mol (b) Using the value of -56.3 kJ as the standard enthalpy change for the reaction H(aq) + OH(aq) +H2O(1) calculate the standard enthalpy of change...

  • A scientist measures the standard enthalpy change for the following reaction to be -56.2 kJ :...

    A scientist measures the standard enthalpy change for the following reaction to be -56.2 kJ : Ca(OH)2(aq) + 2 HCl(aq)CaCl2(s) + 2 H2O(l) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CaCl2(s) is   kJ/mol. Answer in kJ/mol

  • The standard enthalpy change for the following reaction is -181 kJ at 298 K. 2 NO(g)...

    The standard enthalpy change for the following reaction is -181 kJ at 298 K. 2 NO(g) -----------> N2(g) + O2(g)   ΔH° = -181 kJ What is the standard enthalpy change for this reaction at 298 K? 1/2 N2(g) + 1/2 O2(g) ----------> NO(g)

  • The standard enthalpy change for the reaction of SO3(g) with H2O(l) to yield H2SO4(aq) is ΔH∘...

    The standard enthalpy change for the reaction of SO3(g) with H2O(l) to yield H2SO4(aq) is ΔH∘ = -227.8 kJ .? Use the following information S(s)+O2(g)→SO2(g), ΔH∘ = -296.8kJ SO2(g)+12O2(g)→SO3(g) , ΔH∘ = -98.9kJ to calculate ΔH∘f for H2SO4(aq) (in kilojoules per mole). [For H2O(l),ΔH∘f = -285.8kJ/mol]. Express your answer using four significant figures.

  • The standard enthalpy of reaction (i.e. ΔH°) for a particular reaction is −20.1 kJ/mol. At 16.0...

    The standard enthalpy of reaction (i.e. ΔH°) for a particular reaction is −20.1 kJ/mol. At 16.0 °C the equilibrium constant for the reaction is 2.30 × 103. Calculate the temperature (in °C) at which the equilibrium constant, K = 8.45 × 104. R = 8.314472 J⋅mol−1⋅K−1. Report your answer to THREE significant figures.

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
ADVERTISEMENT