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  1. Problems
  2. /Heat & Thermodynamics
  3. /Laws of Thermodynamics

Laws of Thermodynamics

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.
A gas goes clockwise round a triangle ABCA on a pressure-volume graph.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Hard
2.
1.5 mol of an ideal gas expands slowly at a steady 320 K from 8.0 to 24 litres.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Medium
3.
On a pressure-volume graph a gas goes from A (1.5 L, 4.6 × 10⁵ Pa) to B (3.5 L, 1.8 × 10⁵ Pa) along…
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Medium
4.
A gas at a steady 1.4 × 10⁵ Pa is squeezed from 8.0 to 3.5 litres.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Easy
5.
A lead bullet at 30 °C hits a steel plate at 340 m/s and stops.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Hard
6.
1.5 g of water at 100 °C boils at 1.013 × 10⁵ Pa.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Medium
7.
A gas in a well-insulated cylinder pushes a piston out against a steady outside pressure of 0.90 ×…
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Medium
8.
Find Δ U for a gas in each case, and say whether it gets warmer or cooler.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Easy
9.
A party balloon holds 1.5 mol of helium, a monatomic gas, at 280 K.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Medium
10.
Which of these are state functions: pressure, heat, work, internal energy, temperature, volume?
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Medium
11.
In a Joule experiment a 12 kg weight falls 1.5 m and turns a paddle wheel in an insulated tank of…
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Easy
12.
A gas takes in 210 J of heat. At the same time a piston does 75 J of work on it.
High School (11–12) · Laws of ThermodynamicsStemPy LabStemPy Lab
Easy