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REY [17]
2 years ago
11

Complete the statements about the law of conservation of momentum.

Chemistry
2 answers:
iVinArrow [24]2 years ago
8 0

Answer:

change

before

after

Explanation:

forsale [732]2 years ago
3 0

Answer:

change

before

after

Explanation:

have a nice day :)

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Arisa [49]
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2. Carbon is a Chemical Element found as C on the periodic table.

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7 0
3 years ago
How many Ne atoms are contained in 32.0 g of the element?
Svetlanka [38]
Mass atomic of Ne=20.18 u
Therefore:
molar mass=20.18 g/1 mol

1 mole=6.022*10²³ particles (atoms or molecules)

Then: 6.022*10²³ atoms are contained in 20.18g

Now, We can solve this problem by the three rule.

6.022*10²³ atoms-------------------20.18 g
x------------------------------------------32 g

x=(6.022*10²³ atoms * 32 g)/20.18 g=9.55*10²³ atoms.

Answer: 9.55*10²³ Ne atoms are contained in 32 g of the element.
3 0
3 years ago
What is the mass of a sample of water that takes 2000 kJ of energy to boil into steam at 373 K. The latent heat of vaporization
Arte-miy333 [17]

Answer:

0.89kg

Explanation:

Q=mL L=specific latent heat

Q=energy required in J

m=mass in Kg

Q=mL

m=Q/L

m=2000000J/2.25 x 10^6 J kg-1

m=0.89kg

3 0
3 years ago
How many moles of CH3 are in 60 grams of CH3 ?
Svetlanka [38]

Answer: There are 3.99 .

Explanation:

6 0
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What is the relationship between KMT and Sea Level Rise?<br> CER format<br> 3-4 sentences
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Sea level may rise as a result of the expansion of seawater and the melting of land-based ice due to a warming environment.

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<h3>Why is sea level important?</h3>

People are impacted by sea level changes through flooding, the inability of rivers to empty into the ocean due to the sea being too high, and the surge of seawater onto the land during storms. Our drinking water and the ability to cultivate crops could be harmed if sea water gets into farms and reservoirs.

To know more about Sea level visit:

brainly.com/question/2113249

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4 0
1 year ago
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