1. 10 g of iron at 130°F are mixed with 50g water at 55°F. What is the temperature of the mixture? (Cuen=0.11 cal/g-C). 2. 200g of water at 50°C in a 80g glass are added to 10g of ice at 0°C, Solve for the final temperature of the mixture. Assume that the ice has melted. (Case=0.16 çal/g- C). rglace wou

1. 10 g of iron at 130°F are mixed with 50g water at 55°F. What is the temperature of the mixture? (Cuen=0.11 cal/g-C). 2. 200g of water at 50°C in a 80g glass are added to 10g of ice at 0°C, Solve for the final temperature of the mixture. Assume that the ice has melted. (Case=0.16 çal/g- C). rglace wou

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 33P: At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air...

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At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00 cm3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks the surface?
Some gun fanciers make their own bullets, which involves melting lead and casting it into lead slugs. How much heat transfer is needed to raise the temperature and melt 0.500 kg of lead, stating from 25.0 ?
Lead pellets, each of mass 1.00 g, are heated to 200.C. How many pellets must be added to 0.500 kg of water that is initially at 20.0C to make the equilibrium temperature 25.0C? Neglect any energy transfer to or from the container.
A 1.00-kg block of copper at 20.0C is dropped into a large vessel of liquid nitrogen at 77.3 K. How many kilograms of nitrogen boil away by the time the copper reaches 77.3 K? (The specific heat of copper is 0.092 4 cal/g C, and the latent heat of vaporization of nitrogen is 48.0 cal/g.)
A brass rod (Y=90109N/m2), with a diameter of 0.800 cm and a length of 1.20 m when the temperature is 25 , is fixed at both ends. At what temperature is the force in it at 36,000 N?
A 0.650 kg piece of glass is submerged in 820 g of water (c = 4.18 x 103 J/kg°C) at 24°C. The mixture reaches a final temperature of 27.6°C. If the specific heat capacity of glass is 750 J/kg·°C, what was its initial temperature, in °C?
An aluminum rod is 12 cm long at 10o At the same condition, an iron rod is 12.02 cm in length. At what temperature will the lengths of the two rods be the same? Given: αAl?Al= 2.4 x 10-5/Co and αsteel?steel = 1.2 x 10-5/Co.
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? (INCLUDE FBD)
A bubble having a diameter of 92 cm is released from a depth of 4.5 m from the bottomof a swimming pool. The temperature of thewater at the surface is 22◦C, whereas it is 16◦Cat the point of release.What will the diameter of the bubble bewhen it reaches the surface? The accelerationof gravity is 9.8 m/s2and the density of wateris 1000 kg/m3.Answer in units of cm.
A 200g mass of aluminum at 80°C is dropped into 600g of water at 15°C. What is the final temperature of the water and aluminum? (Cal=.9 kJ/kgC, Cw=4.18kJ/kgc)
A glass is filled to the brim with 300.0 mLmL of water at 100.0 ∘C. If the temperature of glass and water is decreased to 20.0 ∘C∘C, how much water could be added to the glass? *answer is not 5.04 mL
What is the initial temperature of a 2.0 kg piece of aluminum (c = 910 J / kg 0 C) which must accumulate 2.5 x 10 5 J of heat to reach a final temperature of 170 degrees C?