Describe adhesion Describe how cohesion‚ surface tension‚ and adhesion contribute to the capillary action which moves water through plants Define heat Is heat energy potential or kinetic? Define temperature Define specific heat and describe why water’s high specific heat is important to life on earth. Define heat of vaporization and describe why water’s high heat of
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the boiling point of organic compounds such as tert-butyl alcohol‚ sec-butyl alcohol‚ n-butyl alcohol‚ and an unknown. o Principle: Boiling point is the temperature at which gas and liquid phases coexist in equilibrium. At this temperature‚ the vaporization rate and the condensation rate are equal. The liquid and vapor reach a state of dynamic equilibrium: liquid molecules evaporate and vapor molecules condense at the same rate. The boiling point of a liquid is the temperature at which its vapor
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|decreases|stays the same| D.|decreases|increases| 4. Two bodies are brought into thermal contact with each other. No thermal energy transfer takes place between the bodies. It may be deduced therefore‚ that the bodies must have the same A. specific heat capacity. B. heat capacity. C. temperature. D. internal energy. 5. An ideal gas expands isothermally‚ doing 2500 J of external work in the process. The thermal energy absorbed by the gas in this process is A. zero. B. less than 2500 J. C. equal to 2500
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water boils‚ some of its molecules have enough _________________________ to overcome the attraction of neighboring molecules. 3. The ____________________ theory of matter states that all particles of matter are in constant motion. 4. During vaporization‚ a substance changes from a(an) ____________________ to a(an) ____________________. 5. The motion of one particle of a gas is unaffected by the motion of other particles of the gas unless the particles ____________________. Short Answer
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The heat equation Specific heat capacity: The specific heat capacity of a substance is the heat required to produce a rise in 1 Kg Specific heat capacity of water ( ) ( ) ( ) Thermal capacity: It’s the quantity of heat needed to raise the temperature of the whole body by . Specific latent heat of fusion: The specific latent heat of fusion of a substance is the quantity of heat needed to change unit mass from solid to liquid without temperature change. Specific latent heat of fusion
Free Thermodynamics Energy Resistor
Objectives: 1. Distinguish between system and surroundings. 2. Distinguish between heat energy and temperature. Name the SI units of temperature and thermal energy. 3. Calculate the heat content (thermal energy) of a substance using its specific heat‚ temperature and mass. 4. Solve calorimetry problems. 5. Name the energy associated with a change of state and calculate the energy required to change a given mass of substance from solid to liquid or liquid to gas. 6. Describe the changes in the microscopic
Free Thermodynamics Enthalpy Water
A Literature Survey of Ice Cube Maker History‚ Designs‚ and Components Team Lead: Jacob Henson Table of Contents List of Figures 2 Introduction 3 History 3 Icemaker Components 4 Conclusion 11 References 12 List of Figures ------------------------------------------------- Figure Number and Description Page # Figure 1. Vapor Compression Refrigeration Cycle 5 Figure 2. General Icemaker Components 6 Figure 3. Rotating Ice Maker 7 Figure 4. Alternative Rotating
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The alcohol heated up in a shorter amount of time than the water due to water’s high specific heat. The slow heat up of the water is also by the cause of water’s high heat of vaporization. High specific heat is a property of water in which water absorbs a lot of heat before its temperature increases‚ and releases a lot of energy before the temperature decreases. High heat of vaporization is a property of water in which a large amount of energy is needed to split water molecules small enough
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cooling curve for water at 1 atm pressure. (Note: CI = heat capacity of water in region I‚ T = change in temperature between points specified‚ Hfus = heat of fusion.) Which of the following statements is/are true? I. No heat energy is being added or removed from the system between points B and C II. The quantity of heat being removed from the system between points C and D is equal to CIII x m x t(C and D) III. The quantity of heat being added to the system between points C and D is equal
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INTRODUCTION WORKSHEET DEFINE THE FOLLOWING TERMS: BOILING BOILING POINT CALORIE (OR KILOCALORIE) CONDENSATION DEPOSITION ENDOTHERMIC REACTION ENTHALPY OF FUSION ENTHALPY OF VAPORIZATION EVAPORATION EXOTHERMIC REACTION FREEZING HEAT JOULE MELTING MELTING POINT SPECIFIC HEAT SUBLIMATION TEMPERATURE VAPOR VAPOR PRESSURE VAPORIZATION VOLATILE Name ________________________________________ Date ______________ Period _______ HONORS CHEMISTRY – THERMOCHEMISTRY INTRODUCTION WORKSHEET 1. Name each of the following
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