Chemistry, 30.06.2021 19:00 vanleervanleer
What happens in a flame test?
A. Electrons are excited to higher energy levels and their emissions
are observed.
B. Impurities in a sample are burned off in the flame until a pure
sample remains
C. Electrons are ejected from atoms when a sample is burned in the
flame.
D. A sample is melted in a flame to determine how much energy was
Answers: 1
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Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption
Answers: 2
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Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature
Answers: 1
What happens in a flame test?
A. Electrons are excited to higher energy levels and their emissions<...
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