Question



2. A 225 mL sample of water is cooled from 60.0 °C to 25.5 °C. What is value qsys? (1pt) 3. Define the term heat capacity.
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Date 2 Gniven data: Sample dwoder- 225ML Density ater 1-003/ moss Sample)wote 225mLx 1-D3m225g T60-0c STE T-T-60.00-2s.sc34.SDate 448 inal demb eratre 44 8°C Henie

Add a comment
Know the answer?
Add Answer to:
2. A 225 mL sample of water is cooled from 60.0 °C to 25.5 °C. What is value qsys? (1pt) 3. Define the term "heat...
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
  • a) A 430 mL  sample of water was cooled from 100.0 oC  to 30.0 oC . How much...

    a) A 430 mL  sample of water was cooled from 100.0 oC  to 30.0 oC . How much heat was lost? b) How many kilojoules are required to change the temperature of 26.5 g  of water from 19.8 oC  to 29.0 oC ? c) Calculate the final temperature when 10 mL  of water at 80 oC  are added to 20 mL  of water at 25 oC d) A piece of metal weighing 2.00 g  at a temperature of 41.0 oC  was placed in a calorimeter in 19.10 mL  of water...

  • Part A Calculate the final temperature when 35 mL of water at 50 °C are added to 75 mL of water at 45 °C. Assume de...

    Part A Calculate the final temperature when 35 mL of water at 50 °C are added to 75 mL of water at 45 °C. Assume density of water is 1.00 g/mL and no heat is lost to the calorimeter. IVO AQ o 2 ? Part A If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the temperature of 12 g of methanol from 26°C to 78°C ? IVO AO + O 2 ?...

  • Part A A calorimeter contains 34.0 mL of water at 12.5 ∘C . When 1.50 g...

    Part A A calorimeter contains 34.0 mL of water at 12.5 ∘C . When 1.50 g of X (a substance with a molar mass of 75.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l)→X(aq) and the temperature of the solution increases to 25.5 ∘C . Calculate the enthalpy change, ΔH, for this reaction per mole of X. Assume that the specific heat of the resulting solution is equal to that of water [4.18 J/(g⋅∘C)], that density of water...

  • 20. What is the total heat flow if 27 grams of steam at 143°C is cooled to become water at 34°C? The specific heat of w...

    20. What is the total heat flow if 27 grams of steam at 143°C is cooled to become water at 34°C? The specific heat of water is 4.18 J/g. C; the specific heat of steam is 2.0 J/g. °C The heat of vaporization of water is 2.26 kJ/g, and the boiling point of water is 100°C 21. 75.0 mL of water is added to 12.9 mL of 0.250 M KMnO4 What is the concentration of the diluted solution? 22. Write...

  • 1) A calorimeter contains 28.0 mL of water at 11.5 ?C . When 2.20 g of...

    1) A calorimeter contains 28.0 mL of water at 11.5 ?C . When 2.20 g of X (a substance with a molar mass of 51.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l)?X(aq) and the temperature of the solution increases to 30.0 ?C . Calculate the enthalpy change, ?H, for this reaction per mole of X. Assume that the specific heat of the resulting solution is equal to that of water [4.18 J/(g??C)], that density of water is...

  • #3 PRE-LAB 1. Define Heat capacity - The amount of neat supplied to a given mass...

    #3 PRE-LAB 1. Define Heat capacity - The amount of neat supplied to a given mass of material to produce unit change in temperature units = or to b. Specific heat - the amant of heat supplied to one unit mass of substance in order to raise the temperature by one Unit Units of specific heat is you or gik 2. In an experiment to determine the heat capacity of a Styrofoam cup calorimeter, 50 ml of water at 47...

  • 6.21) Is the specific heat capacity of a substance an intensive or extensive property? Explain. 6.23) Calculate q when 0...

    6.21) Is the specific heat capacity of a substance an intensive or extensive property? Explain. 6.23) Calculate q when 0.10 g of ice is cooled from 10. °C to -75. °C. (S ice = 2.087 J/g•°C). 6.25) A 27.7 g sample of ethylene glycol, a car radiator coolant, loses 688 J of heat. What was the initial temperature of the ethylene glycol if the final temperature is 32.5 °C? (s of ethylene glycol = 2.42 J/g•°C) 6.27) One piece of...

  • A calorimeter contains 26.0 mL of water at 13.5 ∘C . When 2.50 g of X...

    A calorimeter contains 26.0 mL of water at 13.5 ∘C . When 2.50 g of X (a substance with a molar mass of 51.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l)→X(aq) and the temperature of the solution increases to 30.0 ∘C . Calculate the enthalpy change, ΔH, for this reaction per mole of X. Assume that the specific heat of the resulting solution is equal to that of water [4.18 J/(g⋅∘C)], that density of water is 1.00...

  • A calorimeter contains 25.0 mL of water at 13.0 ∘C . When 2.40 g of X...

    A calorimeter contains 25.0 mL of water at 13.0 ∘C . When 2.40 g of X (a substance with a molar mass of 64.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l)→X(aq) and the temperature of the solution increases to 30.0 ∘C . Calculate the enthalpy change, ΔH, for this reaction per mole of X. Assume that the specific heat of the resulting solution is equal to that of water [4.18 J/(g⋅∘C)], that density of water is 1.00...

  • 1a. A calorimeter contains 34.0 mL of water at 15.0 ∘C . When 2.40 g of...

    1a. A calorimeter contains 34.0 mL of water at 15.0 ∘C . When 2.40 g of X (a substance with a molar mass of 62.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l)→X(aq) and the temperature of the solution increases to 30.0 ∘C . Calculate the enthalpy change, ΔH, for this reaction per mole of X. Assume that the specific heat of the resulting solution is equal to that of water [4.18 J/(g⋅∘C)], that density of water is...

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