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destinyycooper
10.01.2021 •
Chemistry
One of the following is a true statement:
Select one:
1.Alkanes are the most unreactive group of compounds among functional groups I.
2.Alkanes undergo addition reaction with bromine/CC14 under vigorous conditions.
3.The properties, reactivity and colors of organic compounds depend on the type of their functional groups.
4.Alkanes, alkenes, alkynes and aromatics are all unsaturated compounds.
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Ответ:
(i) specific heat
(ii) latent heat of vaporization
(iii) latent heat of fusion
Explanation:
i. Q = mcΔT; identify c.
Here, Q is heat, m is the mass, c is the specific heat and ΔT is the change in temperature.
The amount of heat required to raise the temperature of substance of mass 1 kg by 1 degree C is known as the specific heat.
ii. Q = mLvapor; identify Lvapor
Here, Q is the heat, m is the mass and L is the latent heat of vaporization.
The amount of heat required to convert the 1 kg liquid into 1 kg vapor at constant temperature.
iii. Q = mLfusion; identify Lfusion
Here, Q is the heat, m is the mass and L is the latent heat of fusion.
Here, Q is the heat, m is the mass and L is the latent heat of vaporization.
The amount of heat required to convert the 1 kg solid into 1 kg liquid at constant temperature.