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Keith_Richards [23]
3 years ago
7

Where might life exist in the solar system beyond earth

Chemistry
1 answer:
NISA [10]3 years ago
3 0
Some people theorize that there could be life on Mars. The idea came from the fact that Mars and Earth are similar. However Mars' core cooled long ago which means it has no magnetic field which means that its atmosphere is being striped away and surface is bombarded with harmfull radiation from the sun so the prospect of current life is not as good adult could be. Another place is Jupiter's moon Europa. There is evidence indicating that there is a liquid ocean order the icy surface of the moon which which would explain the cracks we see on the surface. Many scientists beleive that this ocean under the surface could harbor life. I hope this helps. Let me know if anything is unclear
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Which is an example of a homogeneous mixture?
goldenfox [79]

Answer:

Clean Air  So B

Explanation:

5 0
3 years ago
Which of the following gases effuses the fastest at a given temperature?
Sholpan [36]

Answer: -

H₂ will diffuse the fastest.

Explanation: -

According to Graham's Law of Diffusion

The rate of diffusion is inversely proportional to the square root of it's density or molar mass. So the lower the molar mass faster the rate of diffusion.

Molar mass of Ne = 20 g / mol

Molar mass of CH₄ = 12 x 1 + 1 x 4 = 16 g /mol

Molar mass of Ar = 40g / mol

Molar mass of H₂ = 1 x 2 = 2 g / mol

Thus H₂ will diffuse the fastest.

7 0
3 years ago
Consider the reaction: AB As the reaction proceeds, the concentration of A drops from 0.625 M to 0.100 Min 11.6 seconds. What is
prisoha [69]

Answer:

0.045 M/s

Explanation:

Given:

Initial concentration of A = 0.625 M

Final concentration of A = 0.100 M

Total time taken for the change of concentration = 11.6 seconds

The average rate of reaction is calculated as:

= \frac{\textup{Change in concentration of A}}{\textup{Time taken for the change}}

on substituting the respective values, we get

= \frac{0.625-0.100}{\textup{11.6}}

or

The average rate of reaction = 0.045 M/s

3 0
3 years ago
Convert 1297 cm to m.
Svet_ta [14]

Answer:

Not sure,12.97(if u get it wrong let me know)

Explanation:

100cm=1m

Then 1297cm=

1297 \100

= 12.97m

3 0
3 years ago
Read 2 more answers
How many atoms are in C₆H₁₂O₆
N76 [4]

Answer:

There are 24 atoms in one molecule of C6 H12 06. This chemical compound has 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen.

3 0
3 years ago
Read 2 more answers
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