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  1. Problems
  2. /Heat & Thermodynamics
  3. /Calorimetry and Change of State

Calorimetry and Change of State

Physics
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More in Heat & ThermodynamicsTemperature and Thermal ExpansionCalorimetry and Change of StateHeat TransferKinetic Theory of GasesLaws of ThermodynamicsThermodynamic Processes and Specific Heats of GasesHeat Engines, the Second Law and Entropy
12 problems
Type:
1.
Answer, and give a reason. Why does a lake in winter take so long to freeze over completely?
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Easy
2.
Compare two burns. 15 g of steam at 100 °C condenses on the skin and cools to 37 °C.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Medium
3.
A glass holds 0.35 kg of water at 28 °C.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Medium
4.
How much heat turns 0.40 kg of ice at -15 °C into water at 35 °C?
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Medium
5.
A copper calorimeter of mass 0.18 kg holds 0.25 kg of water at 16 °C.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Hard
6.
A 0.60 kg copper block at 85 °C is put into 0.40 kg of water at 15 °C.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Medium
7.
2.0 kg of water at 65 °C is mixed with 1.5 kg at 25 °C.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Easy
8.
A 0.25 kg piece of metal at 120 °C is dropped into 0.60 kg of water at 18 °C in a 0.10 kg copper…
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Medium
9.
Answer, and give a reason. Why is water used in a car's cooling system?
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Easy
10.
A 150 W heater is put in 0.60 kg of oil.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Medium
11.
15 kJ of heat is given to 0.40 kg of aluminium, 0.40 kg of iron and 0.40 kg of copper.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Medium
12.
A 1200 W stove passes 75% of its heat to a pan of 2.0 kg of water at 25 °C.
High School (11–12) · Calorimetry and Change of StateStemPy LabStemPy Lab
Easy