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lozanna [386]
3 years ago
14

What are the five main points of kinetic theory of gas?​

Chemistry
2 answers:
madam [21]3 years ago
7 0

(1) the particles in a gas are in constant, random motion

(2) the combined volume of the particles is negligible,

(3) the particles exert no forces on one another,

(4) any collisions between the particles are completely elastic,

(5) the average kinetic energy of the particles is proportional to the temperature in kelvins.

jekas [21]3 years ago
3 0

Answer:

2) Gas molecules do not have preferred direction of motion, their motion is completely random. 3) Gas molecules travels in straight line. 4) The time interval of collision between any two gas molecules is very small. 5) The collision between gas molecules and the walls of container is perfectly elastic.

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If you wanted to make 0.800 Liters of a 0.531 M solution of Nickel(II) chloride, NiCl2, how many grams of NiCIZ
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Answer:

<u></u>

  • <u>54.8g</u>

Explanation:

<u>1. Calculate the number of moles of NiCl₂</u>

a) Identify the known variables

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  • M = 0.531M
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b) Formula

       M=\dfrac{n}{V}

c) Clear n

        n=M\times V

<u>g) Substitute and compute</u>

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<u>2. Convert moles to grams</u>

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b) Unit canceling method

Use the factors in order to cancel the units to obtain grams

      0.4248mol\times 129\dfrac{g}{mol}=54.7992g

Note that the mol unit appears on the numerator and denominator, so it cancels leaving just g (grams).

c) Round to 3 signficant figures

     54.8g

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