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- 1. Multiple Choice
What would be the effect on the particles if more heat is supplied to the system?They would slow downThey would stop movingThey would speed upThere would be no effect - 2. Multiple Choice
If two objects have different temperatures when they come in contact, heat will flow from the warmer object to the cooler one UNTIL ____________
one reaches a temperature of zero
they both have an equal temperature
one runs out of energy
- 3. Multiple Choice
If the specific heat of water is 4.18 J/g∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C?
-80,256 J
80.256 J
80,256 J
-80.256 J
- 4. Multiple Choice
For a skillet, used for cooking, do you want a high or low specific heat
High, so that it will need more energy to heat up
Low, so that it will change temperature quickly
- 5. Multiple ChoiceA sample of iron receives 50.J of heat energy that raises the temperature of the iron by 25.0°C. If iron has a specific heat of 0.10 J/g°C, what is the mass of the iron sample? (show your work)25g30g20g50g
- 6. Multiple ChoiceCalorimeters use insulating materials to:encourage affordable materials in science experiments in schools.preserve the heat of the environment outside the Styrofoam cup.prevent heat from escaping to the environment.keep the liquid inside the Styrofoam cup from overheating.
- 7. Multiple ChoiceA metal cube at temperature of 10°C immersed in a liquid at temperature of 70°C.
What is the temperature of the metal cube when thermal equilibrium is achieved between the cube and the liquid?Between 10°C and 70°CMore than 70°CLess than 10°CSame as the room temperature - 8. Multiple ChoiceThe amount of energy required to raise the temperature 1ºC for every kilogram is called____?Thermal EnergySpecific HeatTemperatureKinetic Energy
- 9. Multiple ChoiceWhat does temperature measure?HeatºCKinetic EnergyThermal Energy
- 10. Multiple Choice
A metal cube at temperature of 70°C is immersed in water at temperature of 20°C. The metal _______ heat while the water __________ heat.
gains, loses
loses, gains
- Answer choicesTagsAnswer choicesTags