HomeworkLib
Question

Part A Find the energy in J necessary to heat one mole of a substance by 24 K at constant pressure and 298 K if C Pm is given

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

Homework Answers

Answer #1

Part A : \DeltaE = 3.7 x 103 J

Cpm = 10.0T12 -2.0x106T-2 2CH. AE = n(Cp dT where Ti=298K T2 = 298k+ 24K = 322K 322k DF = (z modd (10072 - 20810*72) at 298K

0 0
Add a comment
Know the answer?
Add Answer to:
Part A Find the energy in J necessary to heat one mole of a substance by...
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

  • Find the pH of each of the following solutions of mixtures of acids. Part A 0.120...

    Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...

  • Exercise 5.54 Part A Use the molar volume of a gas at STP to calculate the...

    Exercise 5.54 Part A Use the molar volume of a gas at STP to calculate the density (in g L-t) of carbon dioxide gas at STP. IVO AEQ moe? 8L-1 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Provide Feedback

  • - Part C Calculate the freezing point of a solution containing 61.6 % KCl by mass...

    - Part C Calculate the freezing point of a solution containing 61.6 % KCl by mass (in water). Express your answer using two significant figures. V ALQ R O ? Tf= Submit Request Answer Part D Calculate the boiling point of a solution above. O ACQ* o ? Tb = Submit Request Answer Part E Calculate the freezing point of a solution containing 3.14 m MgF2. IVO AQ R o 2 ? T4 = Submit Request Answer Part F Calculate...

  • The heat transfer necessary to raise the temperature of a constant volume closed system is given...

    The heat transfer necessary to raise the temperature of a constant volume closed system is given by Q-AU. Using the SL model, compare the heat necessary to raise the temperature by 10 °C for such a system of 2 kg and composed of (a) gold, (b) iron. (c) sand, and (d) granite. Part A Gold Express the heat in kilojoules to three significant figures. 160 Ad Ove * * O 3 ? Q- 73014 Submit Previous Answers Request Answer X...

  • Part A 1 mole of K+ Express your answer as an integer. O AED 0 2...

    Part A 1 mole of K+ Express your answer as an integer. O AED 0 2 ? Submit Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining Part B 3 moles of OH Express your answer as an integer. AEP → O ? Submit Request Answer Part

  • Part B What volume of air contains 10.8 g of oxygen gas at 273 K and...

    Part B What volume of air contains 10.8 g of oxygen gas at 273 K and 1.00 atm? Express your answer using two significant figures. IVO A ¢ o ? Vair = 10.68 Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining

  • Reviewſ Constants Penodic Table Part C AH..=-115 kJ. AS..=-255J/K.T=301 K. Express your answer using three significant...

    Reviewſ Constants Penodic Table Part C AH..=-115 kJ. AS..=-255J/K.T=301 K. Express your answer using three significant figures. ► View Available Hint(s) EVO ALCO ? AS niv= JK Submit Previous Answers * Incorrect; Try Again; 4 attempts remaining Part D AHA=-115 kJ , AS.=- 255 J/K T=565 K. Express your answer using two significant figures. View Available Hint(s) EVO ADO O 2 ? AS niv= J/K Submit Previous Answers * Incorrect; Try Again; 5 attempts remaining

  • plz help i have 45 mins! Part A 2 5 C. The endpoint was reached when 75,00 mL of the manganese() A saturated solutio...

    plz help i have 45 mins! Part A 2 5 C. The endpoint was reached when 75,00 mL of the manganese() A saturated solution of manganese Rydroxide was prepared and an acid base station was performed to determine is K hydroxide solution was tivated with 2.83 ml of 0.0020 M ICT solution. What is the K ofmanganese hydroxide? IVO AE ROB? 1.92.10 Submit Previous Answers Request Answer X Incorrect: Try Again; 2 attempts remaining

  • You may want to reference (Pages 906 - 909) Section 19.5 while completing this problem. Part A Compute the equilibr...

    You may want to reference (Pages 906 - 909) Section 19.5 while completing this problem. Part A Compute the equilibrium constant at 25°C for the reaction between Ni2+ (aq) and Zn(s), which form Ni(s) and Zn?(aq). Express your answer using two significant figures. mo? AEQ K = 2.02 · 1097 Submit Previous Answers Request Answer * Incorrect; Try Again; 11 attempts remaining

  • The heat of vaporization of water at 373 K is 40.7 kJ/mol Part A Find for...

    The heat of vaporization of water at 373 K is 40.7 kJ/mol Part A Find for the evaporation of 471 g of water at this temperature. Express your answer with the appropriate units. HAO ? 9= 999 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Find to for the evaporation of 471 g of water at this temperature. Express your answer with the appropriate units.

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