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GalinKa [24]
3 years ago
8

Which list of formulas represents compounds, only?

Chemistry
2 answers:
goldfiish [28.3K]3 years ago
8 0
A compound has to have at least two different elements in
(1) is the only list in which each of the three symbols representations show at least two different elements
Ann [662]3 years ago
3 0
The best formula that represents compounds only is <span>CO2, H2O, NH3.</span>
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I AM SO STUCK!
ankoles [38]
1kg is about 2.2 pounds. So 4kg = 8.8 pounds. If that represent 19% of the total, here is the answer.
0.19*x=8.8
x=8.8/0.19
x=46.31 pounds
3 0
2 years ago
How does changing the volume or temperature of a gas affect the pressure of that gas?
Masja [62]

Answer:

When a gas occupies a smaller volume, it exerts a higher pressure; when it occupies a larger volume, it exerts a lower pressure (assuming the amount of gas and the temperature do not change). Since P and V are inversely proportional, a graph of 1/P vs. V is linear.

Explanation:

<h2><u><em>This is all I know.</em></u></h2><h2><u><em>Hope it helps~</em></u></h2><h2><u><em>Good luck with your work!!~</em></u></h2>
6 0
2 years ago
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grandymaker [24]
Probably b because soil can’t be the exact same and so that cancels out a and d
6 0
3 years ago
Read 2 more answers
The + symbol, on the products side, in a chemical equation means
malfutka [58]

Explanation:

Used to separate one reactant or product from another

If it's helpful ❤❤

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7 0
3 years ago
Given this reaction, N2O4(g) 2NO2(g), what shifts will occur if Q = K?
MAXImum [283]

Answer:

It shifts to the left

Explanation:

7 0
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