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stepan [7]
2 years ago
7

Urgent : Hydrogen and oxygen react under a specific set of conditions to produce water according to the equation:

Chemistry
1 answer:
ziro4ka [17]2 years ago
8 0
Hydrogen and oxygen react under a specific set of conditions to produce water according to the equation: 2H2(g)+O2(g) -> 2H2O(g)

I think, but i hope this helps :)
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How do electrons transition between energy levels?
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The electron with its extra packet of energy becomes excited, and promptly moves out of its lower energy level and takes up a position in a higher energy level.
7 0
3 years ago
Ice Select one: a. is a crystal of water molecules packed in an open structure stabilized by hydrogen bonds. b. is less dense th
sergiy2304 [10]

Answer:

All of the statements above are true.

Explanation:

Ice is solid water. Ice consists of an array of water molecules arranged into a crystal lattice. Ice has spaces between the water molecules so it is less dense than liquid water. Ice is about 9% less dense than liquid water. This accounts for the fact that it floats on water.

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6 0
3 years ago
Jamie had $37 in his bank account on Sunday.
Alexandra [31]

Answer:

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4 0
2 years ago
Use the normal boiling points: propane, C3H8, –42.1˚C; butane, C4H10, –0.5˚C; pentane, C5H12, 36.1˚C; hexane, C6H14, 68.7˚C; hep
svlad2 [7]

Answer:

The answer to your question is 126.1°C

Explanation:

                  Boiling point         Difference of boiling points  

C₃H₈             - 42.1°C

C₄H₁₀             -   0.5°C                 41.6 °C

C₅H₁₂               36.1°C                  36.6°C                       41.6 - 36.6 = 5°C          

C₆H₁₄               68.7°C                 32.6°C                        36.6 - 32.6 =4°C

C₇H₁₆               98.4°C                 29.7°C                        32.6 - 29.7 = 2.9°C

We can observe on the table that the difference of boiling points diminishes 1°C when the hydrocarbon has one more carbon, then the difference of temperature between the hydrocarbon of 8 carbons and the hydrocarbon of 7 carbons must be 2°C.

So, this difference is 29.7°C - 2°C = 27.7°C.

And the boiling point of octane is approximately 98.4 + 27.7°C = 126.1°C

7 0
3 years ago
How do you answer this? does anyone know the equation you use?​
bonufazy [111]

number 18 is 40.3kj/mol

6 0
3 years ago
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