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lina2011 [118]
3 years ago
10

1) Calculate the molar mass of Tryptophan.

Chemistry
1 answer:
mestny [16]3 years ago
6 0

Answer:

204.23 g/mol

Explanation:

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Explain why space junk is a hazard to an astronats or spacecraft
Pie

Answer:

Space junk is travelling so fast that a collision with an astronaut or a spacecraft could be disastrous.

Explanation:

Space junk orbits the Earth at speeds of about 28 000 km/h.  

That's so fast that even an orbiting fleck of paint has enough kinetic energy to cause impact craters on the surface of a spacecraft. They are even more dangerous to an astronaut on a space walk.

Much of the space debris is larger and more dangerous than a fleck of paint.

One rough estimate of the amount of space debris is

<em>       </em><u>Size</u><em>        </em>        <u>Number of objects</u>

< 1 cm                        200 000 000

1 cm to 10 cm                   700 000

> 10 cm                                 30 000

Satellites, etc.                       18 000

The chances of collision are small, but any collision can be disastrous.

3 0
3 years ago
An atom of oxygen (atomic number 8) has a mass number of 17. How many neutrons are<br> in that atom?
ludmilkaskok [199]
<h2>Answer:  # of neutrons = 9</h2>

<h3>Explanation:</h3>

# of neutrons = mass number - atomic number

                      = 17 - 8

                      = 9

<h3>∴ number of neutrons in an atom of oxygen of mass number 17, is 9.</h3>
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2 years ago
1 cholo 2 floro 4 nitro + Na^+​
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Answer:

Incomplete Q.

GOOD LUCK FOR THE FUTURE! :)

4 0
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Your answer is 2:3:2:3
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Which component is missing from the process of photosynthesis?
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I believe the answer is 1-Water :)
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