Question

6:25 of zinc ster is the industry Me from so is the conversion of Zns to zno by heating : nas) + 30 (9) -> 2205) SOC) - AH =

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Conversion of Zns to Zno as: - 22n5(x) + 3 02 (8) 2 Zn 0(s) + 250g (9) » DH = -879 Keland for every amoles of Zns 879 kJ/mol

Add a comment
Know the answer?
Add Answer to:
6:25 of zinc ster is the industry Me from so is the conversion of Zns to...
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
  • The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting,...

    The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting, that is, the conversion of ZnS to ZnO by heating: 2ZnS(s) + 3O2(g) → 3ZnO(s) + 2SO2(g) ∆H = –879 kJ/mol Calculate the heat evolved (in kJ) per gram of ZnS roasted.

  • 3) The first step in the industrial recovery of zinc from the zinc sulfide ore is...

    3) The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting that is conversion of ZnS to ZnO by heating: 2ZNS(s)+ 302[g)2ZnO(s) + 2S02(g) AH--879 KJ/mol Calculate the heat evolved (in KJ) per gram of ZnS roasted. (3 points) 4) Given the thermochemical equations: (3 points) AHO-188 KJ/mol AH-768 KJ/mol Br2)+ F2g) 2BrF(g) Br2)+3F2(g) 2BrF3(g) Calculate the AHm for the reaction BrF(g)+ F2(g) BrF3(g)

  • Information from the appendix is attached: 5. (20 pts) Consider the following reaction OF2(g) + H2O(g)...

    Information from the appendix is attached: 5. (20 pts) Consider the following reaction OF2(g) + H2O(g) ---> 2 HF(g) + O2(g) AH (kJ/mole) = -318 kJ/mole (a) Using this information along with data in the appendix of your textbook, calculate AH (OF, (g)) in kJ/mole at 25°C. (b) If 15.0 g of OF2(g) and 10.0 g of H2Og) react, how much heat, expressed in kJ is released? Hint: First calculate the limiting reagent. 6.(20 pts) Consider two Styrofoam coffee cups....

  • (7 pts.) Calculate the heat absorbed when 4.20 g of H2 are produced according to the...

    (7 pts.) Calculate the heat absorbed when 4.20 g of H2 are produced according to the following equation. CH3OH (g) → CO(g) + 2 H2(g) AH = 90.2 kJ (7 pts.) When one adds 1.475 kJ of heat energy to a sample of gold, the temperature goes from 12.5 °C to 84.6 °C. Calculate the mass of the sample of gold. Gold has a specific heat capacity of 0.129 J/g.°C. (6 pts.) 10. Write the thermochemical equation for the standard...

  • Calculate the standard free-energy change and the equilibrium constant Kc for the following reaction at 25°C....

    Calculate the standard free-energy change and the equilibrium constant Kc for the following reaction at 25°C. See Appendix C for data. Fe(s) + Cu2+ (aq) = Fe2+ (aq) + Cu(s) Find equilibrium constan + K at 25°C Appendix C Thermodynamic Quantities for Substances and Ions at 25°C Substance or lon AH; (kJ/mol) AG; (kJ/mol (J/mol-K) 20.87 Substance or lon Ba(OH),(s) ΔΗ: (kJ/mol) -946.3 --3342.2 AG (kJ/mol) -859.3 -2793 (J/mol K) 107.1 427 Ba(OH), 8H,O(s) BaSO (8) - 1473.2 -1362.3 132.2...

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