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- 1. Multiple ChoiceThermodynamics is the study of what?The transfer of energyThe creation of energyThe speed of reactionsThe affect of heat on the speed of a reaction
- 2. Multiple ChoiceTemperature is a measure of the...total energy in a substancetotal kinetic energy in a substanceaverage potential energy in a substanceaverage kinetic energy of molecules in a substance
- 3. Multiple Choice
A substance with a high specific heat:Is always extremely hot.Requires a lot of energy to become hot.Is not heavy.Does not requires a lot of energy to become hot. - 4. Multiple ChoiceThe transfer of thermal energy between objects of different temperatures is called...temperatureheatinternal energynone of these
- 5. Multiple ChoiceWhat is the correct formula to convert Celsius to Kelvin?K=C-273K=C+273K=C-100K=C+100
- 6. Multiple ChoiceWhat quantity of heat is required to raise the temperature of 450 grams of water from 15°C to 85°C? The specific heat capacity of water is 4.18 J/g/°C.131670 J159885 J-131670none of the above
- 7. Multiple ChoiceThe amount of heat required to raise the temperature of 1g of something by 1 C, is called what?Latent HeatSpecific HeatHeat of FormationHeat of Fusion
- 8. Multiple ChoiceThe amount of heat needed to melt one mole of a substance is called:Specific HeatLatent HeatHeat of vaporizationHeat of fusion
- 9. Multiple ChoiceWhat is enthalpy?A measurement of chaosThe heat content of a system
- 10. Multiple ChoiceWhat is entropy?A measurement of chaosThe heat content of a system
- 11. Multiple ChoiceThe temperature of a glass of cold water will eventually...Match the temperature of the surrounding environment.Always be colder than the surrounding environment.Become warmer than the surrounding environment.Never change temperature.
- 12. Multiple ChoiceTotal entropy increases over time.TrueFalse
- 13. Multiple ChoiceHeat is measured injoulesgramsdegrees celcius
- 14. Multiple ChoiceThe Law of _______________ states that energy cannot be created nor destroyed only transferredSpecific HeatConservation of EnergyExothermic ReactionPotential Energy
- 15. Multiple ChoiceEnergy in exothermic reactions arereleasedabsorbed
- 16. Multiple ChoiceThe __________ law of thermodynamics states that entropy is always increasing.firstsecondthirdzeroth
- 17. Multiple ChoiceHeat transfer [blank] occurs from hot to cold.alwaysneversometimesrarely
- 18. Multiple ChoiceWhich phase of matter has the greatest motion and least orderly arrangement?solidliquidgas
- 19. Multiple ChoiceWhat quantity of heat is required to raise the temperature of 450 grams of water from 15°C to 85°C? The specific heat capacity of water is 4.18 J/g/°C.131670 J159885 J-131670none of the above
- 20. Multiple Choice20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?418 Joules209 J83 J4.18 J
- 21. Multiple ChoiceSpecific heat of water is 4.18 J g-1 °C-1. Specific heat of wood is 1.760 J g-1 °C-1 What material needs more heat energy to raise the temperature?WaterWoodBoth are same
- 22. Multiple ChoiceIn our equations, what does "ΔT" represent?masschange in temperaturelatent heatspecific heat
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