PDF-Specific Heat Capacity and Latent Heat Questions

x2013 A2 Physics LOJ 2010 cyberphysicscouk 1 1 An electrical heater is used to heat a 10 kg block of metal which is well lagged The table shows how the. . Water is the solvent of life.. Virtually all cells have water in them (cytoplasm) and water in the surrounding environment (intercellular fluid, pond water, etc).. Many of water’s properties depend on the structure of water molecules. . C. ontents:. Phases of matter. Changing phase. Latent heat. Graphs of phase change. Whiteboard. Graph whiteboards. 4 Phases of Matter. TOC. Solid. Crystalline/non crystalline. Liquid. Greased marbles. D. efine thermal capacity.. Explain the significance of high and low specific capacities.. HEAT CAPACITY. The . amount of thermal energy needed to raise . the temperature of . substance . by 1. 0. C. . 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.. 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 it’s happening—just look at WHAT is happening. . These areas have extra notes to help you.. Make notes as we go along, always including these post-its. Notes. Objectives. Objectives. BRONZE. To define ‘latent heat’. SILVER. To be able to measure latent heat. Introduction to Heat. Heat is a form of energy.. A large amount of energy ends up as heat.. Example: in a car some of the chemical energy stored in petrol is turned into heat energy. . Heat can have a significant effect on solids, liquids and gases (such as expansion).. 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/. : 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. Define the term ‘internal energy’.. Explain the differences in the forces of attraction found between particles of a gas compared to particles of a solid.. Explain what is meant by ‘latent heat’. 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.