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cupoosta [38]
3 years ago
13

How many atoms are in 131.97 liters of water vapor at STP?

Chemistry
1 answer:
Anna007 [38]3 years ago
3 0
At STP, 1 mol of gas has 22.4 L. First convert to moles using this conversion factor.
Then use Avogadro's number to convert to molecules of water (1 mol = 6.02 x 10^23 particles).
Then, there are 3 atoms in each molecules of water (2 H + 1 O). Use this to convert to atoms.
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Gizmo Warm-up
Mariana [72]

Sodium hydroxide solution and hydrogen gas are produced from the reaction of water and sodium.

<h2>Reaction of sodium and water</h2>

We observe bubbles coming out of the water when the sodium reacts with the water because of the formation of hydrogen gas which is insoluble in water so it moves into the atmosphere.

<h3>Products of the reaction</h3>

Sodium metal reacts rapidly with water to form sodium hydroxide (NaOH) solution and hydrogen gas (H2). This chemical reaction is exothermic because huge amount of heat is release from the solution so we can conclude that sodium hydroxide solution and hydrogen gas are produced from the reaction of water and sodium.

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8 0
2 years ago
Why does nuclear fusion occur in stars but not on Earth?
disa [49]

Answer:

C.

Fusion reactions require a lot of heat and pressure

Explanation:

nuclear fusion takes place only at extremely high temperatures. That's because a great deal of energy is needed to overcome the force of repulsion between the positively charged nuclei. ... A: Nuclear fusion doesn't occur naturally on Earth because it requires temperatures far higher than Earth temperatures.

4 0
3 years ago
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In covalent bonds, atoms share electrons to fill up energy levels.<br><br> True or False
Nadusha1986 [10]

TRUE

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7 0
3 years ago
Help please...
Neko [114]
Bestie this subject is scinece.....
3 0
3 years ago
H2SO oxidation number
Bumek [7]

The oxidation number of S in H2SO is +0.

The oxidation number of O in H2SO is -2.

The oxidation number of H in H2SO is +1

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2 years ago
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