12. What is the total charge for the given combinations of atoms?
O^2- 3...
Chemistry, 26.08.2021 23:00 sophia4636
12. What is the total charge for the given combinations of atoms?
O^2- 3
Answers: 1
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The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?
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Which statement describes both homogeneous mixtures and heterogeneous mixtures?
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Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
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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
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