Physics Heat & Thermodynamics Level: Misc Level
One mole of oxygen gas is at a pressure of 6.00 atm and a temperature of 27 degrees C. (a) If the gas is heated at constant volume untill the pressure triples, what is the final temperature? (b) If the gas is heated so that both the pressure and volume are doubled, what is the final temperature?
Physics Heat & Thermodynamics Level: Misc Level
Determine the latent heat of vaporization of unknown substance X in kcal /g if 3.0 g of boiling liquid X are completely vaporized in 1.5 hours by an energy source of 10 kcal /h.
Physics Heat & Thermodynamics Level: Misc Level
Two spheres, labeled A and B, have identical masses, but are made of different substances. The specific heat capacity of sphere A is 440 J /kg C and that of sphere B is 160 J /kg C. There spheres are initially at 21% C: and the same quantity of heat is added to each sphere. If the final temperature of sphere A is 72% C, what is the final temperature of sphere B.?
Physics Work,Power & Energy Level: Misc Level
A soft drink manufacturer claims that a new diet drink is " low Joule." The label indicates the available energy is 6300J. What is the equivalent of this energy in Calories (1 Calorie =1000 cal)?
Physics Heat & Thermodynamics Level: Misc Level
Two cubes, one silver and one iron, have the same mass and temperature. A quantity Q of heat is removed from each cube. Which one of the following properties causes the final temperatures of the cubes to be different?
a. Density
b. Latent heat vaporization
c. Specific heat capacity
d. Coefficient of volume expansion
e. Volume
Physics Properties Of Matter Level: Misc Level
A tanker ship is filled with 2.25 * 105 m3 of gasoline at a refinery in southern Texas when room temperature is 17.2% C. When the ship arrives in New York City, the temperature is 1.3 % C. If the coefficient of volumetric expansion for gas is 9.50 * 10 -4 / C, how much has the volume of the gasoline deereased when it is unloaded in New York ?
Physics Properties Of Matter Level: Misc Level
Zirconium tungstate is an unusual material because its volume shrinks with an increase in temperature for the temperature range 0.3 K to 1050 K ( where it decomposes ). In fact, the volumetric coefficient of thermal expansion is - 26. 4 * 10 -6 / K. Determine the ratio V /V0 for the above mentined temperature range. Express your answer in percent.
Physics Properties Of Matter Level: Misc Level
The coefficient of linear expansion of aluminum is 23 * 10 -6 /C % . A circular hole in an aluminum plate is 2. 725 cm in diameter at 0 % C What is the diameter of the hole if the temperature of the plate is raised to 100 % C ?
Physics Properties Of Matter Level: Misc Level
Which one of the following properties could not be used as a temperature sensitive property in the construction of a thermometer?
a. The change in mass of a solid
b. The change in volume of a liquid
c. The change in length of a metal rod
d. The change in electrical resistance of a wire
e. The change in pressure of a gas at a constant volume
Physics Properties Of Matter Level: Misc Level
The density of the liquid flowing through the horizontal pipe in the drawing below is 1500 kg /m3 . The speed of the fluid at point A is 5.5 m/s while at point B it is 8.0 m/s. What is the difference in pressure, PB - P B, between points B and A?
Physics Properties Of Matter Level: Misc Level
Water enters a pipe 3.0 cm with a velocity of 3.0 m/s. The water encounters a constriction where its velocity is 12 m/s. What is the diameter of the constricted portion of the pipe?
Physics Properties Of Matter Level: Misc Level
Which of the following statements is true?
a. At any given point in the fluid, the velocity is constant in time.
b. Streamline flow occurs when there are sharp obstacles in the path of a fast- moving fluid.
c. Streamline flow is described by Pascal's principle.
d. Streamline flow is described by Archimedes, principle.
e. The velocity vectors are the same for all particles in the fluid.
Physics Properties Of Matter Level: Misc Level
A balloon is released from a tall building. The total mass of the balloon including the enclosed gas is 2.0 kg. Its volume is 5.0 m3. The density of air is 1.3 kg /m3. What is the average density oy the balloon?
Physics Properties Of Matter Level: Misc Level
A small sculpture made of brass (p brass = 847 kg/ m3 ) is believed to have a secret central cavity. The weight of the sculpture in air is 15.76 N. When it is submerged in water, the weight is 13.86 N. What is the volume of the secret cavity?
Physics Properties Of Matter Level: Misc Level
A balloon inflated with helium gas (density = 0. 2 kg \ m3 )has a volume 6 *10 -3 m3. If the density of air is 1.3 kg / m3 , what is the buoyant force exerted on the balloon?
