Chemistry, 18.09.2019 19:30 loganferg9202
Determining the composition of stars is one way that light emission has been used to determine the chemical composition of an object. light emission is still used today by researchers. it is harnessed in instrumentation such as flame atomic absorption spectroscopy. provide an explanation of how this instrument works as if you are describing it to your non-science roommate. also, provide at least two uses of such an instrument.
Answers: 2
Chemistry, 22.06.2019 02:30, carsonjohnsonn
If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms
Answers: 1
Chemistry, 22.06.2019 07:30, veronica25681
According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons
Answers: 1
Chemistry, 22.06.2019 11:30, claudr03
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.
Answers: 3
Chemistry, 22.06.2019 14:30, lorrainelopez
The three types is stress that act on earths rocks are compression, tension, and
Answers: 1
Determining the composition of stars is one way that light emission has been used to determine the c...
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