Chemistry, 02.04.2020 15:55 LaughingAlanna
Fill in the blank. Electromagnets are made by coiling around certain . When electricity is passed through the , the in the all line up in the same direction, creating the “north” and “south” pole effect.
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Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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Chemistry, 23.06.2019 01:00
What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
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Chemistry, 23.06.2019 03:10
Which is true according to the law of conservation of energy
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Fill in the blank. Electromagnets are made by coiling around certain . When electricity is passed th...
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