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Sedaia [141]
2 years ago
8

Each of the four liquids had the same volume. Why didn’t

Chemistry
1 answer:
Alexeev081 [22]2 years ago
5 0
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President George Washington’s leadership during
erastova [34]
President George Washington’s leadership during the Whiskey Rebellion (1794) was important because it "(1) showed the ability of the new government to
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3 years ago
Aluminum metal reacts with oxygen gas in a combination reaction that forms a product that coat the metal preventing it from furt
Rasek [7]

Answer:

d. 4 Al(s) + 3 O₂(g) → 2 Al₂O₃(s)

Explanation:

Aluminum metal reacts with oxygen gas in a combination reaction that forms a product that coats the metal preventing it from further oxidation: aluminum oxide. Aluminum is a cation with charge 3+ (Al³⁻) and oxide is an anion with charge 2- (O²⁻). Thus, the neutral compound aluminum oxide has the chemical formula Al₂O₃. The unbalanced chemical equation is:

Al(s) + O₂(g) → Al₂O₃(s)

We can balance using the trial and error method. First, we will balance O atoms by multiplying Al₂O₃ by 2 and O₂ by 3.

Al(s) + 3 O₂(g) → 2 Al₂O₃(s)

Finally, we get the balanced equation by multiplying Al by 4.

4 Al(s) + 3 O₂(g) → 2 Al₂O₃(s)

7 0
3 years ago
Why does density increase with more helium
Anton [14]

Answer:

density increases with more helium because of its molar mass

3 0
2 years ago
53. Why do real gases deviate from the ideal gas laws at low temperatures?
kirill115 [55]

Answer:

The volume occupied by molecules becomes a significant part of the total volume.

Attractions between molecules cause a reduction in volume.  

Explanation:

C is wrong. The masses of molecules are constant.

8 0
2 years ago
Draw corresponding structure of 1-cyclophentylhexane.​
I am Lyosha [343]

Answer:

Hexane is a 6-carbon hydrocarbon.

Cyclopentyl is a 5-carbon, hydrocarbon ring.

The 1- indicates that the cyclopentyl is attached to the first carbon in hexane.

Two ways of drawing the structure of 1-cyclopentylhexane are below:

3 0
8 months ago
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