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WITCHER [35]
3 years ago
6

General or nonspecific observation is

Chemistry
1 answer:
drek231 [11]3 years ago
8 0
It is an act or instance of viewing or noting a fact, or an occurrence for some scientific or other special purpose
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The system international (SI) unit for energy is:
Natalija [7]

Question

The system international (SI) unit for energy is:

Answer: joule

PLZ BRAINLIEST+THANKS :)

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3 years ago
Why is it impossible for a machine to give you more energy output than the amount of energy put into it?
lana66690 [7]
Ambersnyder, Your answer would be A).
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3 years ago
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
In part a, we saw that the theoretical yield of aluminum oxide is 0.700 mol . calculate the percent yield if the actual yield of
Gnesinka [82]
I believe the percent yield is 55%.
6 0
3 years ago
What is symbol, molecule, electrovalent compound?​
jok3333 [9.3K]

Answer:

the abbreviation form of full name is called symbol.

the smallest unit of cimpound is called molecule.

8 0
3 years ago
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