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The specific heat capacity of the solid form of this substance is 0.5 cal/gC o. In the liquid phase, 150 cal of heat changes the temperature of the substance from -100 o C to 100 o C, a temperature change of 200 C o. The specific heat capacity of the liquid form of this substance is 0.75 cal/gC o.
How many calories are required to increase the temperature of 13 g of alcohol from 11 °C to 23 °C? The specific heat of alcohol is 0.59 cal/g °C. Answers: 83 cal 0.54 cal 170 cal 0.63 cal 92 cal
12 lip 2019 · The direct conversion of a solid to a gas, without an intervening liquid phase, is called sublimation. The amount of energy required to sublime 1 mol of a pure solid is the enthalpy of sublimation (Δ Hsub).
If you put a drop or two of a volatile liquid (one that turns to a gas very easily - such as alcohol or ether) on your skin, your skin will feel cold. The liquid is cooling because it is losing its most energetic particles, and is taking heat energy from your skin to warm it up again.
Substances can exist in three states of matter - solid, liquid and gas. Substances can change states. To change the state of a substance energy must be transferred to, or from, the substance.
12 kwi 2023 · We take advantage of changes between the gas, liquid, and solid states to cool a drink with ice cubes (solid to liquid), cool our bodies by perspiration (liquid to gas), and cool food inside a refrigerator (gas to liquid and vice versa).
28 sie 2024 · Liquids form by the condensation of gases and melting of solids. Gases: Gases can ionize into plasma, condense into liquids, or undergo deposition into solids. Gases form from the sublimation of solids, vaporization of liquids, and recombination of plasma. Plasma: Plasma can recombine to form a gas. Plasma most often forms from the ionization ...
