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by BlastRoom
Distinguish temperature, heat transfer, and total thermal energy in everyday samples.
#chemistry
18 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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Two cups contain the same amount of water, one at 20°C and one at 80°C. Which statement compares their particles correctly?
A thermometer in a beaker reads 35°C. What does that temperature reading describe most directly?
A sealed gas sample warms from 25°C to 75°C without adding or removing gas. What change occurs in the particles?
Two iron cubes have the same mass, but one is at 10°C and the other is at 100°C. Which comparison is correct?
Which statement correctly separates heat from temperature?
A bathtub of water and a mug of water are both at 40°C. Which sample has more total thermal energy?
A 500 g water sample and a 50 g water sample are both at 60°C. Which statement about total thermal energy is best?
A large iron bolt and a small iron nail are both at 30°C. Which object has greater total thermal energy?
One beaker has 100 mL of water at 70°C, and another has 100 mL of water at 30°C. Which statement is best?
Two equal masses of water are in identical beakers: one at 15°C and one at 65°C. Which sample has greater total thermal energy?
A hot metal block is placed in cooler water. In which direction is heat transferred at first?
A cup of water at 20°C is left in a room at 30°C. What is the initial direction of heat transfer?
A metal spoon at 5°C is placed in soup at 85°C. What happens first?
Two identical copper blocks at 25°C are put in thermal contact. Which statement is correct?
A spark from a sparkler is far hotter than a bathtub of warm water, yet the bathtub holds much more total thermal energy. What explains this?
A drop of water and a full pot of water are both at 60°C. Why can the pot warm a cold object much more than the drop can?
A small steel washer and a large steel block are both at 200°C. The block can heat more water before cooling to room temperature. Why?
A snowflake and a tray of ice cubes are both at -5°C. Why does the tray require much more energy to warm and melt?
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Specific Heat and Calorimetry
24 questions
