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Jobisdone [24]
3 years ago
5

Please help answering 11)

Chemistry
1 answer:
8090 [49]3 years ago
8 0

Answer:

the answer is C

Explanation:

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Why does nuclear fusion occur in stars but not on Earth?
disa [49]

Answer:

C.

Fusion reactions require a lot of heat and pressure

Explanation:

nuclear fusion takes place only at extremely high temperatures. That's because a great deal of energy is needed to overcome the force of repulsion between the positively charged nuclei. ... A: Nuclear fusion doesn't occur naturally on Earth because it requires temperatures far higher than Earth temperatures.

4 0
3 years ago
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Here is my Answer:

8 0
1 year ago
How many significant figures does .150, 20.20, and 25.00 have?
viva [34]
.150 = 3
20.20 = 4
25.00 = 4
If a 0 does not have a number or a period after it, it is not significant.
If the 0 is behind the decimal point, it is always significant.
6 0
3 years ago
NEED HELP ASAP!!! What is the density of each of the following gases at STP? Show your work.
BaLLatris [955]

Answer:

A. 1.63g/dm^3 (3 s.f.)

B. 0.833g/dm^3 (3 s.f.)

C. 1.92g/dm^3 (3 s.f.)

Explanation:

Please see attached picture for full solution.

3 0
3 years ago
A) fluorite<br><br> B) orthoclase<br><br> C) apatite<br><br> D) gypsum
Sidana [21]
C




I’m pretty sure it’s c
5 0
2 years ago
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