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narwhalebearp5871i
13.04.2021 •
Physics
The temperature of a 773-g block of ice increases from -15.62°C to -13.71°C. How much heat, in joules, was absorbed by the block of ice? (The specific heat of ice is 2.1 J/g • °C.)
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Ответ:
Compound
Explanation:
Element is a pure substance which is composed of atoms of similar elements.It can not be decomposed into simpler constituents using chemical reactions.Example: Copper![Cu](/tpl/images/1149/2120/54715.png)
Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: water![H_2O](/tpl/images/1149/2120/8a703.png)
Thus as it give that the red sample on being heated, a gas is released and a blue powder is left after the heating. Thus the given sample is a compound.