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Lynna [10]
3 years ago
10

What is the formula for potassium nitrate?

Chemistry
1 answer:
Travka [436]3 years ago
8 0
It depends on which manner the formulae is being asked but the answer is: KNO3
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Which is a substance made up of only one kind of atom?
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The answer is cC. Because it contain only one atom
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A sample of a gas in a 4L container at 300K has a pressure of 1 atm. If the
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The final pressure of the gas in the container is 4 atm

From the question given above, the following data were obtained:

Initial volume (V₁) = 4 L

Initial temperature (T₁) = 300 K

Initial pressure (P₁) = 1 atm

Final temperature (T₂) = 600 K

Final volume (V₂) = 2 L

<h3>Final pressure (P₂) =?</h3>

  • Using the combine gas equation, we can obtain the final pressure of the gas as illustrated below:

\frac{P_{1} V_{1} }{T_{1}} = \frac{P_{2} V_{2}}{T_{2}}\\\\\frac{1 * 4}{300} = \frac{P_{2} * 2}{600} \\\\

Cross multiply

300 × 2 × P₂ = 4 × 600

600 × P₂ = 2400

Divide both side by 600

P_{2} = \frac{2400}{600} \\\\

<h3>P₂ = 4 atm</h3>

Therefore, the final pressure of gas is 4 atm.

Learn more: brainly.com/question/23558057

4 0
3 years ago
A plane traveled west for 4.0 hours and covered a distance of 4,400 kilometers. What was its velocity?
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Answer:

1,100 km/h

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How is a hydrogen-1 atom different form a hydrogen-2 atom? How are they similar?
alina1380 [7]
If you’re referring to H vs H2,

H is usually found in ion form as H+

H2 is the designation for pure hydrogen gas, as it is diatomic and can only exist on its own in nature if it’s bonded to another H atom.

In this case, H is an ion and H2 is hydrogen gas

The way you wrote them out, though, indicates that they could be something different. Maybe isotopes? In this case the 1 and 2 are indicative of the amount of neutrons that the atom has.
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Please help ASAP! Will mark brainliest.
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Answer:C. Compounds are the smallest unit of an element that occur on the periodic table!!

Explanation:

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