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MDCAT Practice Test - Practice Test - Chemistry - Thermo Chemistry - 2026 Quiz

Attempt 10 MCQs on MDCAT Practice Test - Practice Test - Chemistry - Thermo Chemistry (Year 2026) | Quiz 5

41. What is the mathematical statement of the first law?



42. Which conservation law is expressed by the first law?



43. For isothermal expansion of ideal gas, what is the relation between q and w?



44. What is the first law for an adiabatic process?



45. What is the heat change at constant volume equal to?



46. If a system absorbs 500 J and does 200 J work, what is ΔU?



47. Calculate ΔU when 300 J heat is released and 150 J work is done on the system.



48. Calculate work done (in J) when gas expands from 1 L to 3 L at 2 atm external pressure.



49. Which differential is exact?



50. What is the relation between q and w for a cyclic process?



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