A scientist has a container with a substance inside. At first, the molecules in the substance move away from each other. Later,
the molecules move around each other. What change did the scientist observe in the substance
1 answer:
Answer:
before the substance was a gas it was a liquid.
Explanation:
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Molar mass Na2CO3 = 106 g/mole
Using dimensional analysis:
0.787 moles Na2CO3 x 106 g/mole Na2CO3 = g Na2CO3
Answer = 83.4 g Na2CO3
Radiant energy to thermal energy
