Miscellaneous Measurements
Density
Heat Transfer
Phase Change
Enthalpy Calculations
100
What is the volume of the person in mL to one uncertain digit?
What is 8.0 mL
100
What is the equation for density?
What is D= m/v
100
What type of heat transfer is the example of heat being given off by a lightbulb?
What is radiation
100
What is the phase change occurring at B as the substance goes from A to C?
What is melting
100
Find the heat absorbed by 3.10 g of water that increases in temperature from 27.0 oC to 95.0 oC. The specific heat of water is 4.184 J/g oC.
What is 882 J
200
What is the mass of the object in grams being measured by the triple-beam balance? Make sure to measure to one digit of uncertainty.
What is 77.52 g
200
What happens to density if mass increases, but volume stays the same?
What is increases
200
What type of heat transfer is the example of your feet walking on asphalt on a hot day?
What is Conduction
200
What is the phase change occurring at D as the substance goes from E to C?
What is condensation
200
Find the heat absorbed by 16.90 g of water as it goes from 95.0 oC to 47.0 oC. The specific heat of water is 4.184 J/g oC. Your answer does NOT have to be in sig figs.
What is -3,394 J
300
You want to measure the volume of a paper clip. The water level in a graduated cylinder starts at 7.95 mL, then rises to 8.4 mL. What is the volume of the paper clip in mL using correct sig figs?
What is 0.5 mL
300
What happens to density if volume decreases, but mass stays the same?
What is increases
300
What type of heat transfer causes tectonic plates to move?
What is convection
300
Rank the three states of matter in lowest to highest energy:
What is solid < liquid < gas
300
What is the final temperature of 12.0 g of water that started at 3.50 oC and absorbed 459 J of energy? The specific heat capacity of water is 4.184 J/g oC.
What is 12.6 oC
400
What is the volume of a rectangular box with the measurement 11.00 cm, 4.80 cm, and 4.55 cm? Report your answer in proper units and sig figs.
What is 240 cm3
400
Calculate the density of an object that has a mass of 19.24 g and a volume of 7.93 mL? Make sure to include units and put your answer in significant figures
What is 2.43 g/mL
400
What type of chemical process (endothermic or exothermic) is the example of fire burning?
What is exothermic
400
When a substance is going through a phase change, does it have kinetic or potential energy?
What is potential energy
400
A 15.0 g block of metal starts at 105.0 oC and is dropped into cold water. The temperature of the water then reaches 34.0 oC. If the amount of energy absorbed by the water from the block is 655.0 J, what is the specific heat of the metal? Include units!
What is 0.615 J/g oC
500
Which of the following measurements has the lowest amount of sig figs: 100.00, 3.654, 0.0900, 354.0
What is 0.0900
500
A chef wants to know the volume of oil they need for a dish. The recipe states that 25.0 g of oil is needed. If the density of oil is 0.92 g/mL, how many mL of oil does the chef need?
What is 27 mL
500
What type of chemical process (endothermic or exothermic) is photosynthesis?
What is endothermic
500
When a substance is increasing in temperature, does it have kinetic or potential energy?
What is kinetic energy
500
What is the energy needed for 5.0 g of ice to melt at 0 oC, then increase in temperature to 27.0 oC? The latent heat of fusion for water is 334 J/g and the specific heat capacity of water is 4.184 J/g oC. You do NOT need to put your answer in sig figs.
What is 2,234.84 J.