Answer:
Kinetic Molecular Theory states that gas particles are in constant motion and exhibit perfectly elastic collisions. Kinetic Molecular Theory can be used to explain both Charles' and Boyle's Laws. The average kinetic energy of a collection of gas particles is directly proportional to absolute temperature only.
Explanation:
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Answer: nS2
Explanation: The valence electronic configuration of group 2a elements is "nS2",they have a complete filled "S" orbital with 2 valence electrons. e. g, Berrylium = 1s2 2S2, Calcium = 1s2 2s2 2p6 3s2 3p6 4s2
Answer:
Explanation:
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This problem could be solved in terms of normality as follows:
- The normality of phosphoric acid (triporitic) is:
Thus, the normality of barium hydroxide turns out:
Finally, the molarity:
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The length, width and height of the wall of room is 12.0 ft, 15.0 ft and 9 ft respectively. To calculate the gallons of paint to paint the room with two coats, first calculate the surface area of room that needs to be coated.
The total surface are of room without ceiling will be:
Here, l is length, h is height and w is width of the room.
Putting the values,
Since, 1 gallon of paint is used for area , for of area, volume of paint used will be 0.00267 gallon.
Thus, volume of paint used for area will be:
The above volume is for 1 coat of paint, for 2 coats volume will be:
Therefore, paint required to paint room with two coats is 2.6 gallon.