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valentina_108 [34]
3 years ago
6

How can you read a determine the masses

Chemistry
1 answer:
krok68 [10]3 years ago
4 0
I need you to explain the question
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Which of these redox reactions is spontaneous as written?
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The answer of this question is A
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A shop-vac is capable of pulling in air at a rate of 210 ft/min . What is the rate of the
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4 0
3 years ago
What is the frequency of light with an energy of 124 kJ/mol?
Charra [1.4K]

Answer: = 3.11 x 10^14 s^-1

Explanation:

Use the formula E = hv

This formula uses the assumption that the unit for energy is in Joules/photon.

124 kJ = 124000J

To get 124000J/mol into a unit of J/photons, we need to divide by the number of photons in a mole, which is 6.022 x 10^23.

And thus, we need

124000/6.022 x 10^23 = 2.06 x 10^-19J/photon

We can plug it in to E = hv by

2.06 x 10^-19J = (6.63 x 10^-34 J s)(v) Isolate v by

v = (2.06 x 10^-19J)/(6.63 x 10^-34 J s)

= 3.11 x 10^14 s^-1

6 0
3 years ago
Thousand of molecules are called​
kozerog [31]

Answer:

monomers

Explanation:

Thousands of molecules are called monomers

6 0
4 years ago
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