Thermodynamics
Quiz by Kari Stone
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11 questions
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- Q1Which of the following is an example of an exothermic process?Burning woodDissolving ammonium sulfate in waterSubliming dry iceMelting iceBoiling water30s
- Q2Which of the following statements describes the second law of thermodynamics?The pressure and volume of a gas are inversely proportional.The heat capacity of a substance is directly proportional to its mass.The entropy of an isolated system increases over time.The total energy of a system remains constant.Energy cannot be created or destroyed, only transformed.30s
- Q3Which of the following statements describes the first law of thermodynamics?The rate of a chemical reaction is determined by the activation energy.The heat capacity of a substance is directly proportional to its mass.Energy cannot be created or destroyed, only transformed.The entropy of an isolated system increases over time.The pressure and volume of a gas are inversely proportional.30s
- Q4Which of the following factors affect the rate of reaction?Pressure and volumeTemperature, concentration, and catalystspH and solubilityMass and densityEnthalpy and entropy30s
- Q5Which of the following is an example of a spontaneous process?A reaction with a positive change in enthalpy at constant temperatureWater freezing at 0 degrees CelsiusA gas expanding into a vacuumEntropy decreasing in a closed system30s
- Q6Which of the following is a reversible process in thermodynamics?Combustion of gasolineFreezing of waterDissolution of a solute in waterIsothermal expansion of an ideal gas30s
- Q7Which of the following is a measure of the disorder or randomness of a system?EnthalpyEntropyGibbs free energyHeat capacity30s
- Q8Which of the following best describes enthalpy?The ability of a substance to conduct electricityThe number of protons in an atomThe heat released or absorbed in a chemical reaction at constant pressureThe measure of disorder in a system30s
- Q9Which of the following is a state function in thermodynamics?WorkTemperatureEnthalpyHeat30s
- Q10Which of the following is an example of an endothermic process?Condensing water vaporMelting iceFreezing waterBurning wood30s
- Q11Which of the following is the correct definition of specific heat?The ability of a substance to conduct electricityThe total amount of heat absorbed or released in a chemical reactionThe amount of heat required to raise the temperature of a unit mass of a substance by one degree CelsiusThe measure of disorder in a system30s