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Answers
1 ka answer
Gas particles are in continuous, random motion. Collisions between gas particles are completely elastic. In other words, there is no net loss or gain of kinetic energy when particles collide. The average kinetic energy is the same for all gases at a given temperature, regardless of the identity of the gas.
2 ka answer
When quick lime is added to water, it reacts to form calcium hydroxide (slaked lime).
3 ka answer
boiling point of water is 100 °C
4 ka answer
Condensation of a vapour to form a liquid or a solid is the reverse of vaporization, and in the process heat must be transferred from the condensing vapour to the surroundings. The amount of this heat is characteristic of the substance, and it is numerically the same as the heat of vaporization.
5 ka answer
Liquid water had to have energy put into it to become steam, and that energy is not lost. Instead, it is retained by the gaseous water molecules. When these molecules condense to form liquid water again, the energy put into the system must be released. And this stored energy is let out as exothermic heat
6 ka answer
Intermolecular space is maximum in gases less in liquids and the least in solids.
explanation
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