Occurs when atoms are rearranged to form new molecules
a chemical change
b color...
Chemistry, 13.12.2019 20:31 jeff568463
Occurs when atoms are rearranged to form new molecules
a chemical change
b color change
c endothermic
d exothermic
e chemical energy
Answers: 1
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Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
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