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lisov135 [29]
2 years ago
10

Nitrogen changes from a liquid to a gas at the same temperature at

Chemistry
2 answers:
atroni [7]2 years ago
8 0
There is enough energy in air at room temperature to change liquid to gas to true
yanalaym [24]2 years ago
5 0

Answer:

False

Explanation:

if this were true then water would not be available on earth other than in the atmosphere because of evaporation

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How do you determine if something is extensive or intensive
Shalnov [3]

Answer:

Intensive properties do not depend on the quantity of matter. Examples include density, state of matter, and temperature. Extensive properties do depend on sample size. Examples include volume, mass, and size.

Explanation:

Brainly!!!

pls

3 0
3 years ago
Read 2 more answers
BRIANLIESTTT ASAP!!! PLEASE HELP ME :)
Genrish500 [490]

Answer:

Its reliability is confirmed by many scientists

Explanation:

The science and the pseudoscience have multiple differences that separate them clearly and sharply. The science, doesn't matter about scientific field we are talking about, is confirmed by numerous scientists. In order for something to be accepted in the scientific circles as a science, the particular thing in question undergoes numerous studies, from numerous different scientists or scientific groups. If all of the results of all of the studies are confirming the same thing, that it can be accepted as science.

4 0
3 years ago
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Copper was the first metal to be produced from its ore because it is the easiest to smelt, that is, to refine by heating in the
Ganezh [65]

Answer:

57.48%

Explanation:

Calculate the mass of 1 mole of malachite:

MM Cu = 63.55

MM O = 16.00

MM H = 1.01

MM C = 12.01

(Cu_{2}(OH)_{2}CO_{3})

A mole of malachite has:

2 moles of Cu

5 moles of O

2 moles of H

1 mole of C

MW Malachite = 2*MM(CU) + 5*MM(O) + 2*MM(H) + 1 *MM(C)

MW Malachite = 2*63.55 + 5*16.00 + 2*1.01 + 1*12.01

MW Malachite = 221.13

Mass of Cu in a mole of Malachite = 2*MM(CU) = 127.1

Now divide the mass of Cu by the mass of Malachite

%Cu = \frac{127.1}{221.13} =0.5748=57.48%

7 0
3 years ago
As the atomic radius_______, electron affinity _______. Select the correct answer below: decreases, decreases increases, decreas
kirza4 [7]
I believe the answer is increases , decreases
6 0
2 years ago
List two ways that the first ionization and second ionization of an atom are similar
Maru [420]
The first ionization and second ionization of an atom are similar in following ways:
1. Both ionizations involve atom and energy
2. Both lose an electron.

The difference between first and second ionization of an atom is that both started and ended with different ions/atom.
6 0
3 years ago
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