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Elodia [21]
3 years ago
15

What composes a element

Chemistry
1 answer:
8_murik_8 [283]3 years ago
4 0

Answer:

2 or more atoms

Explanation:

An element is composed of 2 or more atoms

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Which chemical is responsible for opening the hair cuticle?
SashulF [63]
Peroxide is the chemical responsible for opening the hair cuticle
6 0
3 years ago
A flexible container at an initial volume of 5.120 L contains 8.500 mol of gas.
SOVA2 [1]

Answer:

30.05 mol

Explanation:

solving the proportion

V1 / n1 = V2 / n2

5.120 L            18.10 L

–––––––– = ––––––

8.500 mol         x

x = 30.05 mol

6 0
2 years ago
How does the flow of energy during freezing compare with the flow of energy during melting
lianna [129]

Answer:

At the melting point, some molecules overcome the forces of attraction. Energy gained after the the solid melts increases the average kinetic energy or the temperature. When liquid is freezing the energy flows out the the liquid. As the kinetic energy decreases, they move more slowly.

Explanation:

3 0
2 years ago
A sample of gas occupies 10.0 l at 100.0 torr and 27.0
disa [49]
The pressure  of a sample  of a gas if the temperature  is changed  to 127  c  while  the volume  remains  constant   is calculated  using gay lussac law formula

that is P1/T1 = P2/V2
P1 = 100 torr
T1 = 27+273 = 300 k
T2 =127 +273 =400 k
P2=?

by  making P2 the subject of the formula
P2=T2P1/T1

=100  x 400/300 = 133.3 torr

5 0
3 years ago
What cell part is NOT found in all cells?
elena-s [515]

Answer:

heart I think also I'm so sorry if I get you this wrong I think membrane not sure tell me what was the right answer but I think membrane.

3 0
3 years ago
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