Hydrogen gas (h2) and oxygen gas (o2) react to form liquid hydrogen peroxide (h2o2). which statement is true about the reaction?
the same atoms are present, so the chemical properties are the same.
the two gases have mixed together, but a new substance has not formed.
the product that is formed has the same physical properties as the reactants.
the atoms of the reactants have combined to form a new substance.
Answers: 1
Chemistry, 21.06.2019 20:40
Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o
Answers: 1
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
Chemistry, 23.06.2019 00:00
What conclusion can you draw from this experiment about the components of the black ink?
Answers: 3
Hydrogen gas (h2) and oxygen gas (o2) react to form liquid hydrogen peroxide (h2o2). which statement...
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