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Greeley [361]
4 years ago
15

What gas is most abundant in a nebula

Chemistry
1 answer:
borishaifa [10]4 years ago
4 0
The answer would be hydrogen and helium
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How many molecules are in 210 grams of CO2?
AlexFokin [52]

Answer:

30 molecules

Explanation:

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3 years ago
When a fast moving particle runs into a slower moving particle<br> what happens ?
Dvinal [7]

Answer:

It depends upon the mass of the particles also. Assuming equal mass, then the slower moving particle gains some energy, and the faster-moving particle loses energy. However, if the slower moving particle had greater mass, it could transfer energy to the faster-moving particle.

Explanation:

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3 years ago
Identify the neutralization reaction.
dusya [7]

The neutralization reaction among all the reactions would be the one between an acid and a base to produce salt and water.

<h3>What is a neutralization reaction?</h3>

It is a reaction involving an acid and a base to produce salt and water.

From the list of reactions, the only reaction that involves acid and a base with salt and water being the products is the first reaction.

Thus, the neutralization reaction is represented by the equation:

2H_3PO_4 + 3Ba(OH)_2 --- > 6H_2O + Ba(PO_4)_2

More on neutralization reactions can be found here: brainly.com/question/20038776

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4 0
2 years ago
Atoms with the same number of protons but different number of neutrons are called.......
Len [333]
I gotchuuuuu it’s Isotopes
8 0
3 years ago
The velocity is ___ when the distance is kept the same and the time is halved
klemol [59]

Answer:

Velocity = distance / time

if distance is same and time is 1/2

Velocity = distance / time/2

velocity = 2 (distance /time)

Velocity,= 2 * velocity

Velocity will be doubled

6 0
2 years ago
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