A quantity of 505 J of heat are added to 11.3 g of water at 28.3 0C. What is thefinal temperature of water? ( specific heat of water = 4.18 J/g.°C ).Choose...Choose...-37.639.0268A balloon of helium gas lost 36.4 kJ of heat while it was raising up, simultaneously,the helium gas expanded from 64.0 L to 80.0 L against 563 mmHg pressure.Calculate the change in the internal energy (AU) of helium gas ( in kJ) . Giventhat ( atm.L = 101.3 J)-238.7-48.25188.711.8510.7Thoose...

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Answered: A quantity of 505 J of heat are added…

A quantity of 505 J of heat are added to 11.3 g of water at 28.3 °C. What is the final temperature of water? ( specific heat of water = 4.18 J/g.ºC ).

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

Problem 65QAP: Natural gas companies in the United States use the therm as a unit of energy. One therm is 1105 BTU....

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Question

A quantity of 505 J of heat are added to 11.3 g of water at 28.3 0C. What is the
final temperature of water? ( specific heat of water = 4.18 J/g.°C ).
Choose...
Choose...
-37.6
39.0
268
A balloon of helium gas lost 36.4 kJ of heat while it was raising up, simultaneously,
the helium gas expanded from 64.0 L to 80.0 L against 563 mmHg pressure.
Calculate the change in the internal energy (AU) of helium gas ( in kJ) . Given
that ( atm.L = 101.3 J)
-238.7
-48.25
188.7
11.85
10.7
Thoose...

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How much heat, in joules and in calories, must be added to a 75.0g iron block with a specific heat of 0.449 Jig C to increase its temperature from 25 C to its melting temperature of 1535 C?
A 45-g aluminum spoon (specific heat 0.88 J/g C) at 24 C is placed in 180 mL (180 g) of coffee at 85 C and the temperature of the two become equal. (a) What is the final temperature when the two become equal? Assume that coffee has the same specific heat as water. (b) The first time a student solved this problem she got an answer of 88 C. Explain why this is clearly an incorrect answer.
Natural gas companies in the United States use the therm as a unit of energy. One therm is 1105 BTU. (a) How many joules are in one therm? (1J=9.48104BTU) (b) When propane gas, C3H8, is burned in oxygen, CO2 and steam are produced. How many therms of energy are given off by 1.00 mol of propane gas?
You heat 1.000 quart of water from 25.0C to its normal boiling point by burning a quantity of methane gas, CH4. What volume of methane at 23.0C and 745 mmHg would you require to heat this quantity of water, assuming that the methane is completely burned? The products are liquid water and gaseous carbon dioxide.
A 110.-g sample of copper (specific heat capacity = 0.20 J/C g) is heated to 82.4C and then placed in a container of water at 22.3C. The final temperature of the water and copper is 24.9C. What is the mass of the water in the container, assuming that all the heat lost by the copper is gained by the water?
What will be the final temperature of a mixture made from equal masses of the following: water at 25.0C, ethanol at 35.5C, and iron at 95C?
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How much heat is evolved when 1255 g of water condensesto a liquid at 100°C?
If a reaction produces 1.506 kJ of heat, which is trapped in 30.0 g of water initially at 26.5 °C in a calorimeter like that in Figure 5.12, what is the resulting temperature of the water?
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