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AlekseyPX
3 years ago
13

This chemical equation is balanced.

Chemistry
1 answer:
alina1380 [7]3 years ago
6 0

Answer:

A

Explanation:

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What is the mass of 22.4 L of H2O at STP?
Andrew [12]
Answer is: <span>A. 18.02 g/mol.

At standard temperature and pressure 1 mol of gas occupied 22.4 liters:
V(H</span>₂O) = 22.4 L; volume of water.
Vm = 22.4 L/mol; molar volume at STP.
n(H₂O) = V ÷ Vm.
n(H₂O) = 22.4 L ÷ 22.4 L/mol.
n(H₂O) = 1 mol; amount of substance (water).
M(H₂O) = Ar(O) + 2Ar(H) · g/mol.
M(H₂O) = 16 + 2 ·1.01 · g/mol.
M(H₂O) = 18.02 g/mol; molar mass of water.
3 0
3 years ago
Which element in period 2 has six electrons in its electron dot structure?
navik [9.2K]

Answer:

calcium

Explanation:

8 0
3 years ago
If liquid carbon disulfide reacts with 450 mL of oxygen to produce the gases carbon dioxide and sulfur dioxide, what volume of e
ivolga24 [154]

If excess carbon disulfide reacts with 450 mL of oxygen, 150 mL of carbon dioxide and 300 mL of sulfur dioxide gases would be produced respectively.

<h3>Stoichiometric calculation</h3>

The reaction between liquid carbon disulfide and oxygen is represented by the equations below:

CS_2 + 3O_2 -- > CO_2 + 2SO_2

The mole ratio of oxygen to carbon dioxide and sulfur dioxide produced is 3:1:2.

Thus, for 450 mL oxygen, 1/3 x 450 = 150 mL of carbon dioxide will be required.

Also for 450 mL of oxygen, 2/3 x 450 = 300 mL of sulfur dioxide will be required.

More on stoichiometric calculations can be found here: brainly.com/question/27287858

#SPJ1

5 0
2 years ago
the white powder is added to the clear liquid. what event is occurring and is it a physical or chemical change?
alexdok [17]
I would say chemical but I’m not 100% sure might wanna get a second opinion
7 0
3 years ago
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This diagram is attempting to compare the sizes of the four inner planets. What is wrong with this diagram?
Simora [160]

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points

Explanation:

6 0
3 years ago
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