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Butoxors [25]
3 years ago
15

Anybody need a friend that is a girl? (not gf)

Chemistry
2 answers:
rewona [7]3 years ago
7 0

Answer: I don't think that this is a question for Brainly lol

Simora [160]3 years ago
4 0

Answer:

yesh

Explanation:

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Use the solubility rules from the Lab 4 introduction and your knowledge of qualitative separation schemes from the lab to answer
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3 years ago
A chemistry student’s height is measured at 68.5 inches. How tall is the student in cm?
pantera1 [17]
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4 0
3 years ago
The hydrogen-line emission spectrum includes a line at a wavelength of 434 nm. What is the energy of this radiation? (h= 6.626 x
Andrews [41]
Wavelength = 434nm = 434 x 10⁻⁹m
planck's constant = <span>h= 6.626 x 10 ⁻³⁴ J
E =?
by using the formula;
E = hc /</span>λ
value for c is 3 x 10⁸ m/s
E = (6.626 x 10 ⁻³⁴ J)(3 x 10⁸ m/s) / 434 x 10⁻⁹m
E = 1.9878 x 10⁻²⁵ / 434 x 10⁻⁹m
E = 4.58 x 10⁻¹⁹ joules

6 0
3 years ago
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azamat

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7 0
3 years ago
Which of the following best describes a single replacement reaction?
Lady_Fox [76]

Answer:

One element takes the place of another in a compound

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I just took a test for it and got it right. :)

Hope This Helps :)

6 0
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