Chemistry, 10.02.2021 16:30 kaleahearly123
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Which activity is an example of a chemical change?
A. dissolving table salt in water
B. melting gold to make jewelry
C. hammering aluminum into thin sheets
D. burning wood to produce ashes
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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
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The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
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HELP PLEASEE ITS ALREADY PAST DUE I NEED THIS
Which activity is an example of a chemical change?
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