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aleksandrvk [35]
3 years ago
14

What is the relationship between mass and weight?

Chemistry
1 answer:
zimovet [89]3 years ago
6 0
I believe it is

D) weight is the effect of gravity in mass

Because Mass is a measure of how much matter an object contains, while weight is a measure of the force of gravity on the object.
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Write the name of the main gases in the air​
Delicious77 [7]

Answer:

Nitrogen

Oxygen

Argon

Carbon Dioxide

Methane

Ozone

Explanation:

N₂ accounts for 78% of the atmosphere.

O₂ accounts for 21% of the atmosphere.

Ar accounts for 0.9% of the atmosphere.

CO₂, CH₄, and O₃ only take up 0.1% of the atmosphere.

3 0
3 years ago
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Identify the three types of metamorphism.
Elena-2011 [213]

Answer:

Three types of metamorphism exist: contact, dynamic, and regional. Metamorphism produced with increasing pressure and temperature conditions is known as prograde metamorphism.

4 0
3 years ago
37)
liberstina [14]

Answer:

The answer is D.

Explanation:

8 0
3 years ago
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Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3NO2(g)+H2O(l)→2HNO3(l)+
Vesnalui [34]

Answer:

2 mol NO2

Explanation:

                                      3NO2(g)+H2O(l)→2HNO3(l)+NO(g)

from reaction                3 mol        1 mol

given                           11 mol          3 mol

for 3 mol NO2  -----   1 mol H2O

for x mol NO2  -----   3 mol H2O

3:x = 1:3

x = 3 *3/1 = 9 mol NO2

So, for 3 mol H2O are needed only 9 mol NO2.

But we have 11 mol NO2. So, NO2 is in excess, and

11 mol NO2 - 9 mol NO2 = 2 mol NO2 will be left after reaction.

3 0
3 years ago
What happens to the air pressure as you go higher in the atmosphere?
grigory [225]

Answer: As altitude rises, air pressure drops.

Explanation: As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level.

8 0
3 years ago
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