Chemistry, 13.08.2021 05:40, cathydaves
Joan took magnesium metal and put it into a beaker of concentrated hydrochloric acid. She noticed that the magnesium bubbled
rapidly, saw a lot of smoke being formed, and watched the metal dissappear rather quickly. What would be the result if Joan were
to use a lower concentration of HCL?
-)
Answers: 1
Chemistry, 21.06.2019 17:40, Calumworthy6046
What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)
Answers: 1
Chemistry, 22.06.2019 13:50, kelonmazon2492
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.
Answers: 3
Chemistry, 22.06.2019 16:00, hjgjlgkjg
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
Joan took magnesium metal and put it into a beaker of concentrated hydrochloric acid. She noticed th...
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