Find the molecular weight of AI (NO3) 3 if the atomic weights of: AI = 27, N = 14, O = 16?
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Ответ:
Option (B) is the correct answer.
Explanation:
When two substances of different temperature are placed adjacent to each other then heat transfers from hot (warm) substance to cool substance.
This transfer depends at the time period because longer the objects are in contact with each other more easily the heat will transfer until both the objects reach at the same temperature.
Specific heat is the amount of energy necessary to raise the temperature by one degree celsius. Also, area of contact determines the transfer of heat.
For example, more hotter area of an object will rapidly transfer heat to a cool substance.
Therefore, factors which affect heat transfer between a warm and a cool substance is the amount of time of contact, the area of contact, and the specific heats of the substances.