Description : What is the heat capacity of one mole of substance? A. Molecular heat B. Specific heat C. Latent heat D. Molar heat
Last Answer : Molar heat
Description : The ______ of a substance is the amount of heat that must be added or removed from a unit mass of the substance to change its temperature by one degree. A. Latent heat of fusion B. Molar heat C. Specific heat capacity D. Specific heat
Last Answer : Specific heat capacity
Description : What is defined as the energy required to raise the temperature of a unit mass of a substance by one degree? A. Latent heat of fusion B. Molar heat C. Specific heat capacity D. Specific heat
Last Answer : Specific heat
Description : What refers to the amount of heat needed to raise the temperature of an object by one degree Celsius or 1K? A. Heat capacity B. Specific heat C. Latent heat D. Molar heat
Last Answer : Heat capacity
Description : The heat Q per unit mass per degree change in temperature that must be supplied or removed to change the temperature of a substance. a. Specific Heat Capacity b. Latent Heat c. Heat of Transformation d. Internal Heat
Last Answer : Specific Heat Capacity
Description : What refers to the measure of the disorder present in a given substance or system? A. Enthalpy B. Entropy C. Heat capacity D. Molar heat
Last Answer : Entropy
Description : Heat which causes a change in temperature of a substance. a. Latent heat b. Sensible heat c. Specific heat d. Heat of Fusion
Last Answer : Sensible heat
Description : The amount of heat energy per kilogram that must be added or removed when a substance changes from one phase to another. a. specific heat b. heat of expansion c. latent heat d. useful heat
Last Answer : latent heat
Description : What refers to the amount of energy absorbed or released during a phase-change process? A. Molar heat B. Latent heat C. Vaporization heat D. Condensation heat
Last Answer : Latent heat
Description : What refers to the heat needed to change the temperature of the substances without changing its phases? a. Latent heat b. Sensible heat c. Specific heat d. entropy
Description : Which of the following cannot be measured by a thermometer? a. Latent Heat b. Sensible Heat c. Specific Heat d. Heat of Fusion
Last Answer : Latent Heat
Description : What predicts the approximate molar specific heat at high temperatures from the atomic weight? A. Third law of thermodynamics B. Law of Dulong and Petit C. Mollier diagram D. Pressure-enthalpy diagram
Last Answer : Law of Dulong and Petit
Description : The mass of one mole of a substance in grams is known as ______. A. Molar weight B. Molar mass C. Molar volume D. Molar constant
Last Answer : Molar mass
Description : Universal gas constant is defined as equal to product of the molecular weight of the gas and (a) specific heat at constant pressure (b) specific heat at constant volume (c) ratio of two specific heats (d) gas constant (e) unity.
Last Answer : Answer : d
Description : According to Avogadro's Hypothesis (a) the molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature (b) the sum of partial pressure of ... gases have two values of specific heat (e) all systems can be regarded as closed systems.
Last Answer : Answer : a
Description : Entropy is the measure of: a. The internal energy of a gas b. The heat capacity of a substance c. Randomness or disorder d. The change of enthalpy of a system
Last Answer : Randomness or disorder
Description : Total heat of a substance is also known as (a) internal energy (b) entropy (c) thermal capacity (d) enthalpy (e) thermal conductance.
Description : The heat absorbed by a unit mass of a material at its holding point in order to convert the material into a gas at the same temperature. a. Latent Heat of Sublimation b. Latent Heat of Vaporization c. Latent Heat of Fusion d. Latent Heat Of Condensation
Last Answer : Latent Heat of Vaporization
Description : What is defined as the quantity of heat needed to raise the temperature of one kilogram of water by one degrees Celsius? a. Kilojoule b. Btu c. Kilocalorie d. Latent heat
Last Answer : Kilocalorie
Description : What is the measure of the energy that is no longer available to perform useful work within the current environment? a. enthalpy b. entropy c. internal energy d. latent heat
Last Answer : entropy
Description : What is known as the total heat and heat content at various times in the history? a. enthalpy b. entropy c. internal energy d. latent heat
Last Answer : enthalpy
Description : Heat that cause change in phase without a change in temperature. a) Sensible Heat b) Latent Heat c) Thermo Heat d) None of the above
Description : Heat that cause change in temperature at without a change in phase. a) Sensible Heat b) Latent Heat c) Thermo Heat d) None of the above
Last Answer : Sensible Heat
Description : Who coined the term latent heat? a. John Thompson b. Studey Baker c. Joe di Maggio d. Joseph Black
Last Answer : Joseph Black
Description : What is the latent heat of vaporization of water at 1 atm? A. 2314.8 kJ/kg B. 2257.1 kJ/kg C. 2511.7 kJ/kg D. 2429.8 kJ/kg
Last Answer : 2257.1 kJ/kg
Description : What is the latent heat of fusion of water at 1 atm? A. 331.1 kJ/kg B. 332.6 kJ/kg C. 333.7 kJ/kg D. 330.7 kJ/kg
Last Answer : 333.7 kJ/kg
Description : What are the only two forms of energy interactions associated with a closed system? A. Kinetic energy and heat B. Heat transfer and work C. Thermal energy and chemical energy D. Latent energy and thermal energy
Last Answer : Heat transfer and work
Description : The ratio of the weight of a substance to the weight of some standard substance is called? a. Specific Heat b. Specific Gravity c. Isothermal d. Specific Weight
Last Answer : Specific Gravity
Description : Sum of the internal energy of a substance and the product of pressure and volume. a. Specific Heat b. Specific Gravity c. Isolated System d. Enthalpy
Last Answer : Enthalpy
Description : _____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave. a. Entrophy b. Enthalpy c. Specific Heat d. None of the above
Last Answer : Entrophy
Description : Amount of heat needed to rate the temperature of a substance by 1°C a. Heat Exchange b. Heat Engine c. Specific Heat d. None of the above
Last Answer : Specific Heat
Description : What is considered as the heat content of a system? A. Enthalpy B. Entropy C. Internal heat D. Molar heat
Description : Specific heat capacity in SI unit. a. kJ / kg.k b. kJ / kg c. kN / kg d. None of the above
Last Answer : kJ / kg.k
Description : What is a measure of the ability of a material to conduct heat? A. Specific heat capacity B. Coefficient of thermal expansion C. Coefficient of thermal conductivity D. Thermal conductivity
Last Answer : Thermal conductivity
Description : What is the SI unit of specific heat capacity? A. J/kg B. J/kg °F ∙ C. J/kg °C ∙ D. J/°C
Last Answer : J/kg °C
Description : What is the specific heat capacity of water in J/kg °C? ∙ A. 4581 B. 4185 C. 4518 D. 4815
Last Answer : 4185
Description : Calorie is a measure of (a) specific heat (b) quantity of heat (c) thermal capacity (d)entropy (e) work.
Last Answer : Answer : b
Description : Is the amount of a substance that contains Avogadro’s number of atoms/molecules. a. mass b. matter c. gram-mole d. volume
Last Answer : gram-mole
Description : The process of one substance mixing with another because of molecular motion is called _________. a. diffusion b. viscosity c. streamline flow d. solution
Last Answer : diffusion
Description : The energy associated with individual molecules in a gas, liquid or solid. a. Specific Energy b. Molecular Energy c. Internal Energy d. Phase Energy
Last Answer : Internal Energy
Description : According to Avogadro's law, for a given pressure and temperature, each molecule of a gas (a) occupies volume proportional to its molecular weight (b) occupies volume proportional to its specific ... (d) occupies volume inversely proportional to its specific weight (e) occupies same volume.
Last Answer : Answer : e
Description : To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is (a) divided by its molecular weight (b) multiplied by its molecular weight (c) ... by its density (d) multiplied by its specific weight (e) divided by its specific weight.
Description : The same volume of all gases would represent their (a) densities (b) specific weights (c) molecular weights (d) gas characteristic constants (e) specific gravities.
Last Answer : Answer : c
Description : The energy of molecular motion appears as (a) heat (b) potential energy (c) surface tension (d) friction (e) increase in pressure.
Description : What is the extremely large amount of energy associated with the strong bonds within the nucleus of the atom itself called? A. Chemical energy B. Latent energy C. Phase energy D. Nuclear energy
Last Answer : Nuclear energy
Description : What is the internal energy associated with the atomic bonds in a molecule called? A. Chemical energy B. Latent energy C. Phase energy D. State energy
Last Answer : Chemical energy
Description : What is the internal energy associated with the phase of a system called? A. Chemical energy B. Latent energy C. Phase energy D. Thermal energy
Last Answer : Latent energy
Description : The pressure of the vapor phase of a substance that is in equilibrium with the liquid or solid phase. a. Phase Pressure b. Equilibrium Vapor Pressure c. Specific Pressure d. Equilibrium Phase Pressure
Last Answer : Equilibrium Vapor Pressure
Description : What is constant for a substance that is considered “incompressible”? A. Specific volume of density B. Pressure C. Temperature D. All of the above
Last Answer : Specific volume of density
Description : The “equation of state” refers to any equation that relates the ______ of the substance. A. Pressure and temperature B. Pressure, temperature and specific weight C. Temperature and specific weight D. Pressure, temperature and specific volume
Last Answer : Pressure, temperature and specific volume