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loris [4]
3 years ago
11

which contains the most amount of energy a glass of water at 20C or a glass of water at 80C. EXPLAIN ANSWER

Chemistry
1 answer:
Step2247 [10]3 years ago
7 0

Answer:

80C

Explanation:

As a substance gets hotter, or as a substance gets closer to the state of gas, the particles in the substance move faster, become more spread out and have more energy. This is why Gas has the most energy while solids have the least. Therefore, the hotter a substance is the more energy it has.

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The empirical formula of a compound is CH2O and its molecular weight is 90.09 g/mol. Determine the molecular formula.
Pachacha [2.7K]

Answer : The molecular formula of the compound will be, C_{3}H_{6}O_3

Explanation :

Empirical formula : It is the simplest form of the chemical formula which depicts the whole number of atoms of each element present in the compound.  

Molecular formula : it is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

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n=\frac{\text{molecular mass}}{\text{empirical mass}}

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Thus, the molecular formula of the compound will be, C_{3}H_{6}O_3

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