Chemistry, 30.09.2021 23:40 logan541972
You drip a liquid substance onto a metal plate. You hear a hiss, and see a gas rising from the spot where the liquid touches the metal plate.
What indicates a chemical reaction in this scenario?
the formation of a new gas
the hissing sound as the liquid touches the metal
the decrease in temperature as the liquid touches the metal
the liquid being in contact with a metal
Answers: 2
Chemistry, 21.06.2019 20:40, vpowell5371
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 01:30, elizediax8683
(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?
Answers: 1
You drip a liquid substance onto a metal plate. You hear a hiss, and see a gas rising from the spot...
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