PPT-Specific Heat, Heat Capacity, and Calorimetry

On the front counter there is a perpetually thirsty bird Do NOT touch him Write down all your observations of the motion Do not try to explain why its happeningjust look at WHAT is happening . Burning of a Match. Zumdahl, Zumdahl, DeCoste, . World of Chemistry. . . 2002, page 293. Energy released to the surrounding as heat. Surroundings. System. (Reactants). D. (PE). Potential energy. (Products). Why do some things get hot more quickly than others?. Temperature. Temperature. . – proportional to the average kinetic energy of the molecules. Energy due to motion. (Related to how fast the molecules are moving). – A2 Physics LOJ 2010 cyberphysics.co.uk 1 1. An electrical heater is used to heat a 1.0 kg block of metal, which is well lagged. The table shows how the Physics 12 . Objectives. Define . specific heat capacity.. Solve problems involving specific heat capacities.. Explain the difference between solid, liquid, and gaseous phases.. Explain in terms of molecular behavior why temperature does not change during a phase change.. PROCEDURE. 1) Fill a 250 . mL. beaker about 3/4 of the way full with tap water and place it on the hotplate to begin boiling.. PROCEDURE. 2) Weigh the piece of metal found . at. your . lab station. Record the mass . bday. , Matthew (Sunday). #5 on “Entropy and Free Energy” sheet from Friday.. For the reaction Cl. 2. O(g) + 3/2 O. 2. (g) .  2ClO. 2. (g), . D. S. 0. = 126.4 kJ/. mol. and . D. H. 0. . = -74.9 J/. Jukka. . Pekola. , . Low. . Temperature. . Laboratory. Aalto . University. , Helsinki, . Finland. Calorimetry for . measuring the photons. Requirements for calorimetry on single microwave quantum level. Photons from relaxation of a superconducting qubit.. : The Experimental Measurement of Heat. Outline. Background. Exothermic . vs. Endothermic Reactions. Heat Capacity. Specific Heat. Specific Heat of Selected Substances and Mixtures. Relevance. Background. Calorimetry. 1. Temperature and Energy. 2. We relate energy and temperature by discussing a substance’s heat capacity.. Heat Capacity = heat required to raise temp. of an object by 1. o. C. more heat is required to raise the temp. of a large sample of a substance by 1. Heat. Heat. is energy that flows from a higher-temperature object to a lower-temperature object because of the difference in temperatures.. SI Unit of Heat:. joule (J).. SI unit for heat is the joule, J. Calorimetry Burning of a Match Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 293 Energy released to the surrounding as heat Surroundings System (Reactants) D (PE) Potential energy (Products) Tuan Vu (3227). Background. : . Martian . sedimentary rocks show distinctly low thermal inertias . (300-700 Jm. -2. K. -1. s. -1/2. ), which are linked . to the rocky . units. ’ heat . capacity (. C. Clausius. – . Clapeyron. equation, Temperature dependence of entropy, Statistical interpretation of entropy, Consequences of third law, Nernst heat theorem, Equilibrium constant, Van-Hoff equation, Concept of fugacity, activity and mole fraction. | Thermal . Physics. Conductors and Insulators. Label this image. Conductor. A material through which energy can be easily transferred as heat. Insulator. A material that transfers energy poorly. Conductor.