How many grams of water at 20'C 90°C to 50°C? 4. e Initial te A 159-lb piece of aluminum at 500°F is dropped into 400 lb of water at 60F What is the final temperature? A 42.0-lb piece of steel at 670°F is dropped into 100 lb of water at 75.0°F. What is the final temperature of the mixture? 7. Final te 6. Find the 11. Determ brass ca If 1250 g of copper at 20.0°C is mixed with 500 g of water at 95.0°C, find the final temperature of the mixture. 8 water a of steel at 150°C are added to 900 g of water If 500 g of brass at 200°C and 300 g in an aluminum pan of mass 150 g both at 20.0°C, find the final temperature assuming no loss of heat to the surroundings. The following data were collected in the laboratory to determine the specific eter, and 12. How m iron fro 13. How m 9. heat of an unknown metal: 20.0°C? 14. The spe Mass of copper calorimeter Specific heat of calorimeter Mass of water 153 g 0.092 cal/g °C 275 g Why m are at t

How many grams of water at 20'C 90°C to 50°C? 4. e Initial te A 159-lb piece of aluminum at 500°F is dropped into 400 lb of water at 60F What is the final temperature? A 42.0-lb piece of steel at 670°F is dropped into 100 lb of water at 75.0°F. What is the final temperature of the mixture? 7. Final te 6. Find the 11. Determ brass ca If 1250 g of copper at 20.0°C is mixed with 500 g of water at 95.0°C, find the final temperature of the mixture. 8 water a of steel at 150°C are added to 900 g of water If 500 g of brass at 200°C and 300 g in an aluminum pan of mass 150 g both at 20.0°C, find the final temperature assuming no loss of heat to the surroundings. The following data were collected in the laboratory to determine the specific eter, and 12. How m iron fro 13. How m 9. heat of an unknown metal: 20.0°C? 14. The spe Mass of copper calorimeter Specific heat of calorimeter Mass of water 153 g 0.092 cal/g °C 275 g Why m are at t

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter1: Temperature And Heat

Section: Chapter Questions

Problem 44P: What are the following temperatures on the Kelvin scale? (a) 68.0 F, an indoor temperature sometimes...

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Similar questions

(a) If a 500mL glass beaker is filled to the brim with ethyl alcohol at a temperature of 500C, how much will overflow when its temperature reaches 210C ? (b) How much less water would overflow under the same conditions?
What are the following temperatures on the Kelvin scale? (a) 68.0 F, an indoor temperature sometimes recommended for energy conservation in winter (b) 134 F, one of the highest atmospheric temperatures ever recorded on Earth (Death Valley, California, 1913) (c) 9890 F, the temperature of the surface of the Sun
(a) Suppose a cold front blows into your locale and drops the temperature by 40.0 Fahrenheit degrees. How many degrees Celsius does me temperature decrease when there is a 40.0F decrease in temperature? (b) Show that any change in temperature in Fahrenheit degrees is nine—?fths the change in Celsius degrees.
What is me Fahrenheit temperature of a person with at 39.0°C fever?
11. A tank of 10ft3 capacity is half filled with glycerin. The weight density of glycerin is 78.6 lbs/ft3 and its specific heat is 0.57 BTU/lb-°F. (a) How much heat is needed to raise the temperature of glycerin from 40°F to 70°F? (b) If the heat supplied to the glycerin is at a rate of 750 BTU/min, at what rate does its temperature rises? 12. How much joules are needed to change 100 grams of water at 10°C to steam at 120°C
A(n) 60-g ice cube at 0°C is placed in 910 g of water at 28°C. What is the final temperature of the mixture? Celcius=?
1a)A college student produces about 109 kcal of heat per hour on the average. What is the rate of energy production in joules? =__________kJ/h 1b) How much heat in kcal must be added to 0.40 kg of water at room temperature (20°C) to raise its temperature to 45°C?=_________ kcal
9.3 kg of copper sits at a temperature of 38 f. how much heat is required to raise the temperature to 908 f? the specific heat of copper is 385 j/ kg -c. please answer in exponential form.
4. A well-insulated styrofoam bucket contains 148 g of ice at 0 °C. If 21 g of steam at 100 °C is injected into the bucket, what is the final equilibrium temperature of the system?(Cwater=4186 J/kg.°C, L$=3.35 × 105 J/kg, Lv=2.26 × 108 j/kg)
10. A rigid container holds 2.0 moles of gas at a pressure of 1.0atm and a temperature of 30°C. (a) Whatis the volume of the container? (b) What is the pressure if the temperature is raised to 130°C
Ice cubes having a temperature of -15.0°C and mass 0.075 kgm are dropped in a glassof water at 0.0°C. (a) How much water freezes if no heat is gained or lost in thesurroundings? (b) If we add more ice to the glass of water, is it possible that all of the water inside the glass will freeze? Explain.
1.What is the heat in Joules required to raise the temperature of 25 grams of water from 0 °C to 100 °C? What is the heat in calories? 2.An unknown metal weighing 900g at an initial temperature 140oC is placed into an insulated container holding 3L of water at an initial temperature of 60oC. The water rose to 65oC. What is the specific heat capacity of the metal?