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Zinaida [17]
3 years ago
9

Consider two equal-sized containers, one filled with H2 gas and one with O2 gas at the same temperature and?and pressure. The ave

rage velocity of the O2 molecules is (equal to, greaterthan, less than) that of the H2 molecules.1. greater than2. equal to3. less than
Chemistry
1 answer:
Sophie [7]3 years ago
7 0

Answer:

Under 2,greater than

Explanation:

With both containers having the same size, gas pressure, temperature, the velocity of the gass will be determined basically by the characteristics of the gas. With the O2 molecules being much bigger than the H2 molecules, it would result in more hits between the molecules and the walls of the containers, resulting in a bigger average velocity for the O2 molecules.

So the answer is under 2, greater than.

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What would be the mass of a 45 cm^3 cube of Uranium?
Gnesinka [82]

Answer:

m = 859.5  g

Explanation:

d (Uranium) = 19.1 g/cm3

V = 45 cm3

m = V × d = 45 × 19.1 = 859.5  g

8 0
3 years ago
A water molecule is made of hydrogen and oxygen atoms and has the same formula is H2O how was the mixture of hydrogen oxygen dif
maksim [4K]

A mixture of hydrogen and oxygen would not need to have a certain ratio of hydrogen atoms to oxygen atoms to differ from the compound known as water.

<h3>Why is water a compound not a mixture?</h3>

A water molecule has 2 hydrogen atoms bonded chemically to oxygen atoms and has the formula H₂O.

In a chemical reaction, two atoms react together chemically to form a new product which means the reactants lose their individual properties and obtain new properties of the product formed.

Hence, water is a compound as hydrogen and oxygen atoms are bonded chemically to each other.

On the other hand, if oxygen and hydrogen form a mixture which is a physical change then they retain their individual properties in the mixture. They do not need to be in a specific ratio and there are no chemical changes taking place.

Chemical change determines if a substance is a mixture or a compound.

Thus, a mixture of hydrogen and oxygen is different from water if it doesn't have a certain ratio of hydrogen atoms to oxygen atoms.

Learn more about mixture:

brainly.com/question/24647756

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4 0
2 years ago
What is the mass of oxygen in 250 go of sulfiric acid, H2CO4
Nuetrik [128]
Hope this helps you.

4 0
4 years ago
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A container of gas is initially at 0.500 atm and 25 degrees Celsius, what will be the pressure at 125 degrees Celsius?​
vekshin1

0.688 would be the correct answer!

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3 years ago
The molecular weight of H 2 SO 4 is:<br><br> 49.078 g/mole<br> 98.086 g/mole<br> 194.296 g/mole
romanna [79]

Answer:

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8 0
4 years ago
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