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monitta
3 years ago
12

QUESTION 10

Chemistry
1 answer:
neonofarm [45]3 years ago
8 0

Answer: C. Conducts electricity in the solid state

Explanation:

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Which of the following is not the same as 2.97 milligrams?
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Hi There!!!!!!

Which of the following is not the same as 2.97 milligrams?A)0.297 cg
B)0.00297 g
C) 0.0000297 KG

Answer:0.00297 g

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Vitamin D is produced in the skin when 7-dehydrocholesterol reacts with UVB rays (ultraviolet B) having wavelengths between
goblinko [34]

The energy range expected is 6.6 × 10^-19 J < E < 7.33 × 10^-19 J

The energy of the photon is given by;

E = hc/λ

E = energy of the photon

h = Plank's constant

c = speed of light

λ = wavelength of light

For the upper boundary range;

E = ?

h = 6.6 × 10^-34 Js

c = 3  × 10^8 m/s

λ = 270 × 10^-9

E =  6.6 × 10^-34 Js × 3  × 10^8 m/s / 270 × 10^-9

E = 7.33 × 10^-19 J

For the lower range;

E = ?

h = 6.6 × 10^-34 Js

c = 3  × 10^8 m/s

λ =300 × 10^-9

E =  6.6 × 10^-34 Js × 3  × 10^8 m/s / 300 × 10^-9

E = 6.6 × 10^-19 J

Hence, the energy range 6.6 × 10^-19 J < E <  7.33 × 10^-19 J

Learn more: brainly.com/question/24857760

8 0
2 years ago
Reactions rates for reactions occurring in solution can be increased by increasing the concentration of the solution. With gases
LUCKY_DIMON [66]
"Increase Pressure " is the right answer. if you need help , let me know
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True or false? An organism may play more than one role in a food web
Arte-miy333 [17]

Answer:

True

Explanation:

Your welcome! :) Good luck!

4 0
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creativ13 [48]

Answer:

d:more dense and falls

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warm air Rises around cold air bc of its lower density. and when you have a lower density fluid or sum the lower density fluid rises and the higher density falls

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