HomeworkLib
Question

5. Heat of Reaction under standard conditions : Determine the amount of heat (in kJ) given off, when 1.26 x 104 g of ammonia

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

Homework Answers

Answer #1


(6) No. of moles of NHg = mass of why 1. mw of NH3 10 26x10 g All more mo ED of Willy s ro 82,6 kJ HEAT is PRODUCED WHEN 2 mo

0 0
Add a comment
Know the answer?
Add Answer to:
5. Heat of Reaction under standard conditions : Determine the amount of heat (in kJ) given...
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

  • 1).From the standard enthalpies of formation, calculate ΔH°rxn for the reaction C6H12(l) + 9O2(g) → 6CO2(g)...

    1).From the standard enthalpies of formation, calculate ΔH°rxn for the reaction C6H12(l) + 9O2(g) → 6CO2(g) + 6H2O(l) For C6H12(l), ΔH°f = –151.9 kJ/mol (5 points) Substance ∆H°f , kJ/mol C6H12(l) –151.9 O2(g) 0 H2O(l) –285.8 CO2(g) –393.5 2).Determine the amount of heat (in kJ) given off when 1.26 × 104 g of ammonia are produced according to the equation N2(g) + 3H2(g) → 2NH3(g)       ΔH°= –92.6 kJ/mol Assume that the reaction takes place under standard conditions at 25oC.

  • Be sure to answer all parts. Determine the amount of heat (in kJ) associated with the...

    Be sure to answer all parts. Determine the amount of heat (in kJ) associated with the production of 2.56 × 104 g of ammonia according to the following equation. N2(g) + 3H2(g) 2NH3ΔH°rxn = −92.6 kJ Assume that the reaction takes place under standard-state conditions at 25°C. Enter your answer in scientific notation.

  • determine the amount of heat (in kj) given off when 4.53 * 10^4 g of ammonia...

    determine the amount of heat (in kj) given off when 4.53 * 10^4 g of ammonia is produced according to the equation below. assume that the reaction takes place under standard - state conditions at 25 celsius. N2(g) + 3H2(g) ---> 2NH3 ?H= -92.6 kJ/mol enter the answser in scientific notation

  • Be sure to answer all parts. Determine the amount of heat (in kJ) associated with the...

    Be sure to answer all parts. Determine the amount of heat (in kJ) associated with the production of 1.51 x 104 g of ammonia according to the following equation. N2(g) + 3H2(g) —>2NH3 AH9rxn=-92.6 kJ Assume that the reaction takes place under standard-state conditions at 25°C. Enter your answer in scientific notation. *10 kJ

  • 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...

  • A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl...

    A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...

  • Question 17 3 pts Using standard molar enthalpies of formation given in the table below, calculate...

    Question 17 3 pts Using standard molar enthalpies of formation given in the table below, calculate AH/xnto one decimal place, for the combustion of ammonia: AHrxn° = E nAH (products) - E mAHt"reactants) 4 NH3(g) + 7 O2(g) → 4NO2(g) + 6H2O(1) molecule AHF (kJ/mol-rxn) NH3(g) -45.9 NO2(g) +33.1 H2O(1) -285.8 H2O(9) -241.8 - 1663.6 kJ/mol-rxn +30.24 kJ/mol-rxn -1398.8 kJ/mol-rxn -298.6 kJ/mol-rxn -206.9 kJ/mol-rxn Question 11 3 pts A gas absorbs 45 kJ of heat and does 29 kJ of...

  • Consider the reaction: N2 (g) + 3 H2 (g) →  2 NH3 (g)   ΔHrxn = -92.6 kJ...

    Consider the reaction: N2 (g) + 3 H2 (g) →  2 NH3 (g)   ΔHrxn = -92.6 kJ Calculate the heat (in kJ) given off with the complete reaction of 17.5 grams of hydrogen gas.

  • For a particular isomer of C8H18, the combustion reaction produces 5099.5 kJ of heat per mole...

    For a particular isomer of C8H18, the combustion reaction produces 5099.5 kJ of heat per mole of C8H18(g) consumed, under standard conditions. C8H18 (?) +252O2 (?) ⟶8CO2 (?) +9H2O (?) Δ?∘rxn=−5099.5 kJ/mol What is the standard enthalpy of formation of this isomer of C8H18(g)?

  • Determining deltaHrxn using standard reaction enthalpies. A sample of copper absorbs 43.6 kJ of heat, resulting...

    Determining deltaHrxn using standard reaction enthalpies. A sample of copper absorbs 43.6 kJ of heat, resulting in a temperature rise of 75.0degreeC, determine the mass (in kg) of the copper sample used if the specific heat capacity of copper is 0.385 J/gdegreeC. 43.6k5/385 Times75 = 1.509hy 75degree copper = 43.675 coppun = 385j/g Use the standard reaction enthalpies given below to determine DeltaH*nm for the following reaction: 2 NO(g) + O2(g) rightarrow2 NO2(g) given N2(g) + O2(g) rightarrow NO2(g) DeltaH*...

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