Chemistry, 27.01.2021 19:30 campbellkruger
What happens in a chemical reaction?
A
Substances change in appearance but not in chemical composition.
B
Substances change from solid to liquid or gas.
C
Substances interact to form one or more new substances.
D
New atoms are created or destroyed.
Answers: 2
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When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=â7061 kj molâ1.)
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Chemistry, 22.06.2019 19:20
The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
Answers: 1
Chemistry, 22.06.2019 19:40
Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
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What happens in a chemical reaction?
A
Substances change in appearance but not in chemical co...
Substances change in appearance but not in chemical co...
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