Chemistry, 12.07.2019 15:50 Merlinemicheli4727
What type of energy is present in the batteries of a flashlight? mechanical energy electrical energy chemical energy radiant energy
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Chemistry, 21.06.2019 17:40
Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Chemistry, 22.06.2019 09:20
What happened to the amount of carbon dioxide in the atmosphere from 2010โ2017?
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Chemistry, 22.06.2019 16:00
What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided
Answers: 2
Chemistry, 22.06.2019 16:00
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
What type of energy is present in the batteries of a flashlight? mechanical energy electrical energ...
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