Chemistry, 23.02.2021 19:30, nicolemaefahey
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be turned on and off .Why might it be useful to be able to turn the electromagnet on and off?
to control the strength of the magnet
to reduce wearing out of the magnet over time
to latch onto and let go of objects
to not waste electricity
Answers: 3
Chemistry, 21.06.2019 17:30, nique0808
What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air
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 11:00, snowprincess99447
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running...
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