What causes the appearance of lines in an emission spectrum?
a. light is absorbed as an...
What causes the appearance of lines in an emission spectrum?
a. light is absorbed as an electron moves to a higher energy state.
b. light is released as an electron moves to a lower energy state.
c. an electron is released as light when it moves to a lower energy state.
d. an electron is released as light when it moves to a higher energy state.
Answers: 3
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What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.
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Which formula can be used to calculate the molar mass of hydrogen peroxide
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Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate
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