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Mice21 [21]
2 years ago
11

When gas particles collide with a surface

Chemistry
1 answer:
sergij07 [2.7K]2 years ago
3 0
The average kinetic energy of a collection of gas particles depends on the temperature of the gas and nothing else.
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Even though we are well into the course Dumbledore notices some of the students are still having trouble with significant figure
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Answer:

B) 2

Explanation:

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

The rule apply for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

The rule apply for the addition and subtraction is :

The least precise number present after the decimal point determines the number of significant figures in the answer.

(3.478-2.31) = 1.168 ≅ 1.17 (Rounded to least decimal digit)

(4.428-3.56) = 0.868 ≅ 0.87 (Rounded to least decimal digit)

So,

1.17 * 0.87 = 1.0  (Rounded to least significant)

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In a titration, the point at which one drop of base turns the acid indicator a pink color that lasts for 30 seconds is called th
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The point at which one drop of base turns the acid indicator into a pink color that lasts for thirty seconds in doing titration is called the end point or the equivalence point.

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Explain why atoms move at different speeds depending on whether they are in liquid or solid
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