8,10,11 BIUA11ArialThermochemistry Practice ProblemsEquabionSolving ForChange in TemperatureMass of SampleSpecific Heat-med?Heat Added or Removed7. A 24.6 gram iron nail (c=0.42 Jig C), starting at 13°Cis heated to a temperature of 664 C. How manyjoules were needed to do this?Q-24.6 x 0.42 x 651 = 6726 JoulesB. A sample of penguinium (m=24.5 grams) s exposed to 133 joules and its temperature rises from 12 Cto 355"C. What is its specific heat.capacity?9. A 84.5 gram sample of speedskatium (c-0.256 Jig C) s heared with 499 Joules. If its startingtemperature is 21 C, what will its final temperature be?T-43.2 C10. How many grams of water (c=4.18 J/gC) can be taken from 4C to 97 C it 2193 Joules are used?11. A 33.54 gram steel nail (c%3D0.41 Jig C) is heated until it glows. It is then dropped into a cup with 103grams of water (c 4.18 J/g C) at a temperature of 5.9"C. If the water and steel reach an equilibriumtemperature of 72.5"C, what was the hot temperature of the steel?

Answered: specific heat capacity?

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specific heat capacity?

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.83PAE: 9.83 A student performing a calorimetry experiment combined 100.0 mL of 0.50 M HCl and 100.0 mL of...

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Question

8,10,11

BIUA
11
Arial
Thermochemistry Practice Problems
Equabion
Solving For
Change in Temperature
Mass of Sample
Specific Heat
-med?
Heat Added or Removed
7. A 24.6 gram iron nail (c=0.42 Jig C), starting at 13°Cis heated to a temperature of 664 C. How many
joules were needed to do this?
Q-24.6 x 0.42 x 651 = 6726 Joules
B. A sample of penguinium (m=24.5 grams) s exposed to 133 joules and its temperature rises from 12 C
to 355"C. What is its specific heat.capacity?
9. A 84.5 gram sample of speedskatium (c-0.256 Jig C) s heared with 499 Joules. If its starting
temperature is 21 C, what will its final temperature be?
T-43.2 C
10. How many grams of water (c=4.18 J/gC) can be taken from 4C to 97 C it 2193 Joules are used?
11. A 33.54 gram steel nail (c%3D0.41 Jig C) is heated until it glows. It is then dropped into a cup with 103
grams of water (c 4.18 J/g C) at a temperature of 5.9"C. If the water and steel reach an equilibrium
temperature of 72.5"C, what was the hot temperature of the steel?

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