Heat, Thermochemistry and Calorimetry – Quiz 1

Order the containers below from lowest to highest temperature:

• A, B, C
• A, C, B
• B, A, C
• C, A, B

A metal screw with a temperature of 362 K is placed into a beaker of water with a temperature of 287 K. Which statement below is true?

• Heat will move from the screw to the water. The water temperature will decrease.
• Heat will move from the screw to the water. The water temperature will increase.
• Heat will move from the water to the screw. The water temperature will decrease.
• Heat will move from the water to the screw. The water temperature will increase.

A piece of ice at a temperature of -5°C is placed against an arm with a temperature of 37°C. Which statement below is true?

• Heat will move from the arm to the ice. The arm temperature will decrease.
• Heat will move from the arm to the ice. The arm temperature will increase.
• Heat will move from the ice to the arm. The arm temperature will decrease.
• Heat will move from the ice to the arm. The arm temperature will increase.

A house is constructed using the materials in the table below. Given the specific heat capacity (J/g℃) of each material, which material will remain the coolest on a hot day?

• Steel
• Glass
• Concrete
• Wood

A soda can with a temperature of 20°C is placed in cooler filled with ice at a temperature of 10°C. Which statement below is true?

• Heat will move from the can to the cooler. The can temperature will increase.
• Heat will move from the can to the cooler. The can temperature will decrease.
• Heat will move from the cooler to the can. The can temperature will increase.
• Heat will move from the cooler to the can. The can temperature will decrease.

Three test tubes are filled with 2.5 mL of Chemical A, B, or C. Each chemical starts at a temperature of 50°C and is heated equally. The final temperature of each chemical is shown below. Which chemical has the lowest specific heat capacity?

• Chemical A
• Chemical B
• Chemical C
• All three chemicals have the same specific heat

Water from two flasks is combined in a large beaker. Flask A contains 50 mL of water at 260 Kelvin and Flask B contains 50 mL of water at 300 Kelvin. Which water sample will gain heat? What will be the final water temperature?

• Water from Flask A will gain heat. The final water temperature will be 300 K.
• Water from Flask B will gain heat. The final water temperature will be 300 K.
• Water from Flask A will gain heat. The final water temperature will be 280 K.
• Water from Flask B will gain heat. The final water temperature will be 280 K.

An equal mass of each metal below is heated equally. Given the specific heat capacities (J/g℃), which metal will have the largest increase in temperature?

• Nickel
• Copper
• Silver
• Aluminum

Four test tubes are each filled with an equal amount of liquid at a starting temperature of 20°C. Each test tube is then heated equally. The final temperatures after heating are shown below. Given the specific heat capacities (J/g℃), which chemical is most likely to be methanol?

• Chemical A
• Chemical B
• Chemical C
• Chemical D

Milk with a temperature of 280 K is poured into a cup of coffee with a temperature of 350 K. Which statement below is true?

• Heat will move from the milk to the coffee. The coffee temperature will increase.
• Heat will move from the milk to the coffee. The coffee temperature will decrease.
• Heat will move from the coffee to the milk. The coffee temperature will increase.
• Heat will move from the coffee to the milk. The coffee temperature will decrease.