Chemistry, 06.01.2021 22:30 aaroneduke4576
Which two statements are true of mechanical waves?
a. they do not need a medium to transfer energy
b. they use a medium to transfer energy
c. they travel by causing particles of matter to vibrate
d. they transfer energy by disturbing electric and magnetic fields
Answers: 2
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Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3no2(g)+h2o(l)→2hno3(l)+no(g) part a suppose that 4.2 mol no2 and 0.50 mol h2o combine and react completely. which reactant is in excess? express your answer as a chemical formula. nothing
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Chemistry, 22.06.2019 14:30
Is a pencil falling to the floor anon contact force, a force, or a contact force
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Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
Which two statements are true of mechanical waves?
a. they do not need a medium to transfer energy<...
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