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iris [78.8K]
3 years ago
14

A measure of the kinetic energy of particle motion within a substance is____

Chemistry
1 answer:
aleksandrvk [35]3 years ago
7 0
Temperature
its relates via root mean square speed of a particle
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Find the percent composition of C7H5N3O6
Oksana_A [137]

Finding percent composition is fairly easy. You only need to divide the mass of an element by the total mass of the compound. We can do this one element at a time.

First, let's find the total mass by using the masses of the elements given on the periodic table.

7 x 12.011 (mass of Carbon) = 84.077

5 x 1.008 (mass of Hydrogen) = 5.04

3 x 14.007 (mass of Nitrogen) = 42.021

6 x 15.999 (mass of Oxygen) = 95.994

Add all of those pieces together.

84.077 + 5.04 + 42.021 + 95.994 = 227.132 g/mol is your total. Since we also just found the mass of each individual element, the next step will be very easy.

Carbon: 84.077 / 227.132 = 0.37016 ≈ 37.01 %

Hydrogen: 5.04 / 227.132 = 0.022189 ≈ 2.22 %

Nitrogen: 42.021 / 227.132 = 0.185 ≈ 18.5 %

Oxygen: 95.994 / 227.132 = 0.42263 ≈ 42.26 %

You can check your work by making sure they add up to 100%. The ones I just found add up to 99.99, which is close enough. A small difference (no more than 0.03 in my experience) is just a matter of where you rounded your numbers.

5 0
3 years ago
During photosynthesis,blank energy is transformed into blank energy
11Alexandr11 [23.1K]

Answer:

I am also beginners I don't know I am only completing this answer and sorry!!!!!!

8 0
2 years ago
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Mass box A = 10 grams; Mass box B = 5 grams; Mass box C—made of one A and one B How many boxes of B would be required to make 30
Iteru [2.4K]
Mass box C is 10+5. (So C is 15)

But if C was 30, how many times could you put B (5) into it?

30/5 = 6

You would need 6 boxes of B to make 30 grams of C.
5 0
3 years ago
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As shown by the periodic table, why do the elements potassium and sodium have similar chemical properties?
nadya68 [22]
Hey mate
This is the answer

The elements potassium and sodium have similar chemical properties because they have the same number of valence electrons and form +1 ions.

Plsssssss mark me as brainliest
3 0
3 years ago
Can someone help me with this
Trava [24]

Answer:

I think cold front if not than its c

7 0
3 years ago
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