Chemistry, 08.11.2020 01:00 ilopez24661
Which evidence is an indication that a chemical reaction has occurred?
A)formation of a gas
B)melting of a substance
C)boiling of a substance
D)freezing of a substance
Answers: 2
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According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Which evidence is an indication that a chemical reaction has occurred?
A)formation of a gas
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