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SpyIntel [72]
4 years ago
12

Describe the relationship between concentration and absorbance?

Chemistry
1 answer:
Solnce55 [7]4 years ago
8 0
How much a substance has absorbed determines the concentration (is this the way your answer needs to look, if not let me know)
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Electromagnetic waves consist of
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Electromagnetic consists of both electrical and magnetic fields so D. :)
3 0
3 years ago
What information can be learned from bloodstains at a crime scene?
tangare [24]

you can learn who's blood it is, you can also see the blood patterns and how the crime maybe happened.

3 0
4 years ago
What change in volume results if 75.0 mL of gas is cooled from 100.0 °C<br> to 0.00 °C
Ksenya-84 [330]

Answer:

Final volume v2 = 0 ml

Explanation:

Given:

Initial temperature = 100°C

Initial volume = 75 ml

Final temperature = 0°C

Find:

Final volume

Computation:

Using Charles law formula;

⇒ V1 / T1 = V2 / T2

Where

⇒ Initial temperature = T1

⇒ Initial volume = V1

⇒ Final temperature = T2

⇒ Final volume = V2

So,

⇒ 75 / 100 = V2 / 0

Final volume v2 = 0 ml

5 0
3 years ago
What are two things that you observed when you heated the mixture of tin and nitric acid over the Bunsen burner in the virtual l
Rus_ich [418]
1. The reaction for this would be:

Sn + 4 HNO₃ →  SnO₂ + 4 NO₂ + 2 H₂O

The first observation would be bubbling of the solution and brown acrid smoke is produced due to the presence of NO₂ gas. Another observation would be the presence of a white solid which is SnO₂.

2. Heating was required to get rid of the H₂O. When all moisture is gone, you weigh the sample. Afterwhich, you further heat it to get ride of the oxygen. By doing this, you would know the individual mass of each element. Then, you can solve for the empirical formula of the oxide of tin.
3 0
4 years ago
What does a negative oxidation number mean?
mote1985 [20]
The state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
7 0
4 years ago
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