Which of the following statements related to a mole are true? Select all that apply.
A mole is used to simplify the counting of atoms.
Representative particles can only be atoms.
A mole is used to balance chemical equations.
A mole is used to simplify the counting of electrons.
Representative particles can be atoms, molecules, or formula units.
The number of representative particles in a mole (6.02 x 10^23) is called Avogadro's number.
Answers: 2
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Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)
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If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
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Chemistry, 22.06.2019 12:10
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Which of the following statements related to a mole are true? Select all that apply.
A mole is used...
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