An object is undergoing a phase change of condensation.  That means   A. Temperature of the object increases.   B. Temperature  first increases and then decreases.   C. Temperature of the object remains constant .   D. Temperature of the object decreases.

Q: One of the hottest temperatures ever recorded on the surface of Earth was 134oF in Death Valley, CA.…

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Q: When the temperature of a rod of copper is increased, its length stays the same. Select one: True…

A: Let the original length of cooper rod = L  Let the original temperature of copper rod = T  Let the…

Q: 18) Two metal spheres of the same size are suspended in a evacuated enclosure that is maintained at…

A: Radiation takes place at every temperature above absolute zero .More the temperature difference…

Q: _ 8. Suppose you mix two identical blocks of metal, one having a temperature of 10°C and the other…

A: Answer: D. Yes, because it adheres to the II law of thermodynamics.

Q: A Cook leaves a plastic spoon and a wooden spoon in a pot of hot water for the same length of time ,…

A: Wooden spoon will have a larger change in temperature for same amount of heat.

Q: (1) Suppose a person is covered head to foot by wool clothing with average thickness of 2.5 cm and…

A: Given values: Thickness of the wool clothing (Distance between the isothermal planes), d=2.5 cm…

Q: 13. In order to measure the air temperature of the outside air, Geri decides to place a thermometer…

A: Thermometer contains mercury(Hg) inside it. Air temperature is measured with thermometers.

Q: 6. A solid sphere and a solid cube are made from the same material. The sphere would just fit within…

A: Given that A solid sphere and a solid cube are made of the same material. Both begin at the same…

Q: 3. On the moon the surface temperature ranges from 375 K during the day to 1.00 × 10² K at night.…

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Q: 3. Answer the following questions as either TRUE or FALSE a. the Sun directly heat the air in our…

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Q: *22. |As the drawing shows, Steel two thin strips of metal are bolted together at one end; both have…

A: (L0)s=Original length of steel=L0+0.0010L0=1.001L0αs=Linear thermal coefficient of steel=12×10−6…

Q: The change in size of an object due to thermal expansion depends upon a) what the object is made of…

A: The change in size due to thermal expansion is,   ∆L=Lα∆T   Here L is the object's orignal size. α…

Q: 1. As Styrofoam box used to keep drinks cold at a picnic has a wall thickness of 9 cm. it's filled…

A: SOlution: thickness t= 9 cm ice temperature T1 = 0 degee C outside temperature t2 = 38 degree C heat…

Q: What is temperature?

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Q: 3) The relationship between the Celsius and Fahrenheit scale is described by the following…

A: Celsius Celsius is a temperature scale in which the the freezing point is 0o C and the boiling point…

Q: 2. Suppose an object with initial temperature To is placed in a sealed container, which is in turn…

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Q: 1. How many grams of coffee must evaporate from 650 g of coffee in a 200 g glass cup to cool the…

A: (1) Given: The mass of coffee is mcoffee=650 g, The mass of glass cup to cool coffee is mglass=200…

Q: 8 Some old tables of scientific results give the value of surface tension of water at a temperature…

A: Given that Surface tension of water is

Q: 1. The specific heat of a material depends on the type of and is a constant. 2. If the specific heat…

A: Formula Q = m*Cp*dT Q is heat transfered Cp is specific heat. dT is temperature change

Q: Model a head as a 20-cm-diameter, 20-cm -tall cylinder with a flat top. If the body's surface…

A: Given : Diameter of a head (d) = 20 cm = 0.20 m Radius (r) = d/2 = 0.20/2 = 0.10 m Height (h) = 20…

Q: If you have a mass of 55 g of ice that goes from – 10 oC to water vapor at 120 oC. (10 minutes) a-…

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Q: You are looking to buy a small piece of land in Hong Kong. The price is “only” $60,000 per square…

A: Initial area of the land is

Q: 25- a. The walls of a house are 15 cm thick and have an average thermal conductivity four times that…

A: Rate of heat transfer through conduction is given by: Q/t = P = k*A*dT/dx k = Thermal conductivity…

Q: Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine…

A: It is given that,

Q: A flat piece of metal has a hole in it. When heated, metal expands in all directions. When the…

A: A flat piece of metal has a hole in it. When heated, metal expands in all directions. When the…

Q: 2. Which of the following best explains why the end of a spoon sticking out of a cup of hot water…

A: When two objects at two different temperatures are brought in contact, then heat flows from hotter…

Q: 5) A steel railroad track has a length of 30,000 m when the temperature is 0°C. What is its length…

A: Given:L0= 30000 mT1 = 0°C  T2 = 40°CLinear expansion coefficient for steel,α= 11 × 10-6(°C)-1…

Q: 6. Two students place three ice cubes in a glass of water that was at a temperature. Which of the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 5. When perspiration on the human body absorbs heat, some of the perspiration turns into water…

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Q: 3. Which of the following is FALSE? A. Temperature is manifested by many properties of matter that…

A: Answer:D option is wrong because   one degree of increase in Fahrenheit is equivalent to about…

Q: 24) One end of a well-lagged metal rod is inserted into boiling water and the other end is placed in…

A: When a rod is placed such that one end is placed at hot end and other at cold end, then heat flows…

Q: An aluminum pot is left outdoors in the hot sun. As the pot’s temperature increases, which of the…

A: Metal property: (1) When the temperature of the metal is increased than the volume of the metal…

Q: 1) what is/are the differences between heat and temperature? (may have more than 1 answer) a)…

A: (1) Temperature of a body tells the direction of heat flow. Both heat temperature of is has units of…

Q: 3. In an experiment to determine the thermal conductivity of a bar of a new alloy, one end is…

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Q: 16) The figure shows a graph of the temperature of a pure substance as a function of time as heat is…

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Q: 1) A beachcomber finds a corked bottle containing a message. The air in the bottle is at atmospheric…

A: P1 = 101325 Pascals T1 = 30.3 degree celsius  = 303.3 K P2 = ? T2 = 99 degree celsius  = 372 K Using…

Q: PROBLEM 10: Bebang owns a 130-mm-thick concrete brick table top that has an area of 10,000,000 mm…

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Q: 3. The specific heat of a material is given in a strange unit to be c = 3.60 kJ/kg - °F. Solve for…

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Q: (1) Suppose a person is covered head to foot by wool clothing with average thickness of 2 cm and is…

A: (1) Given: The thickness is x=2 cm=0.02 m, The energy transferred by conduction is q=6000 J, The…

Q: . A body at a temperature of 10° F is placed outdoors where the temperature is 100° F. If after 15…

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Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.