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- 1. Multiple ChoiceEndothermic reactions feelwarmcold
- 2. Multiple ChoiceExothermic reactions feelwarmcold
- 3. Multiple Choiceenergy in endothermic reactions arereleasedendedabsorbed
- 4. Multiple Choiceenergy in exothermic reactions arereleasedabsorbed
- 5. Multiple ChoiceHeat flows from _______ to ______ objectscooler to warmerwarmer to warmerwarmer to coolercooler to cooler
- 6. Multiple ChoiceHeat is measured injoulesgramsdegrees celcius
- 7. Multiple Choiceq in q=mcT formula stands for which variable?heatmassspecific heatchange in temperature
- 8. Multiple ChoiceThe variable c in q=mcΔT stands for what?heatmassspecific heatchange in temperature
- 9. Multiple ChoiceFor the formula:
Q= m c ∆T
The units for specific heat are:g /J C°C/g JkJ/gJ/g°C - 10. Multiple ChoiceUsing the heat equation, what would the formula look like if we were solving for change in temperature?Q m=∆T cQ/mc= ∆TQm/c=∆TmcQ=∆T
- 11. Multiple ChoiceWhich direction does heat flow?hot to coldcold to hot
- 12. Multiple ChoiceThe amount of energy that is required to raise the temperature of one gram of pure substance or material by one degree Celsius (1°C) is called __________.HeatSpecific HeatMassTemperature
- 13. Multiple ChoiceIf 238 J of heat is absorbed by a sample of metal with a mass of 40.7 g, and it raises the temperature from 20.0°C to 32.4°C, what is the specific heat capacity of the metal?2.34 J/g°C0.472 J/g°C
- 14. Multiple ChoiceA 500g piece of Aluminum has a temperature rise of 7 degrees. What is the heat energy produced? Specific heat of Aluminum is 0.900 J/gC.3000 J3150 J
- 15. Multiple ChoiceWhen 1500J of energy is lost from a 120 gram object, the temperature decreased from 45 degrees C to 40 degrees C. What is the specific heat of the object?2.5 J/gC0.4 J/gC
- 16. Multiple ChoiceIf you rearrange the equation Q=mcΔT. What does C equal?c=QmΔTc=Q/mΔTc=Qm/ΔTc= QmΔT
- 17. Multiple ChoiceA liquid with a specific hear of 1.9 J/gC has 4750 J of energy added to it. The temperature changed from 20 degrees C to 30 degrees C, what is the mass of the liquid?250 g0.004g
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