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alex41 [277]
2 years ago
12

Which is a type of star system?

Chemistry
1 answer:
Pepsi [2]2 years ago
7 0

<h2><em>hope my answer is useful..</em></h2><h2><em>hope my answer is useful.. </em></h2>

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An astronaut is free-floating in space near a space station and it is not tethered to anything. He has some tools and a fire ext
worty [1.4K]

Hey there

the answers are

A.

and

D. He could spray the fire extinguisher in the opposite direction of the space station


hope this helps

7 0
3 years ago
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How many moles would there be in 500,000,000,000 atoms of silver? Show your calculation
muminat

Answer: 3.01 * 10^35

Explanation:

500,000,000,000 * 6.02 * 10^23

4 0
3 years ago
How is the atomic mass of an atom calculated?
azamat
Adding the number of protons by the number of neutrons
8 0
3 years ago
Which object gives off heat?
nadezda [96]

Answer:

Flashlight

Explanation:

A flashlight gives out heat

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7 0
3 years ago
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How many grams of Mg(NO3)2 would be produced? please show how you got the answer​
Len [333]

Answer:

148 grams of relative atomic mass

Explanation:

magnesium atomic mass : 24

nitrogen : 14

oxygen : 16

24 × 1

14 × 1 × 2

16 × 3 × 2

24 + 28 + 80 = 148 grams

7 0
3 years ago
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