Answer:
a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
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I suppose the distance between two points and the time it takes.
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Explanation:
a) Answer:
= 225 mL
Explanation:
Using Boyle's law of gases;
The volume of a fixed mass of a gas is inversely proportional to its pressure at constant temperature.
Therefore;
P1V1 = P2V2
in this case; let the initial pressure be P;
Therefore; V1 = 450 mL, P1 = P, V2 = ? and P2 = 2P
Thus;
V2 = P1V1/P2
= (P×450)/ (2P)
= 225 mL
Therefore, the new volume will be 225 mL
b) <u>Answer</u>;
=1800 mL
<u>Explanation</u>;
Let the initial pressure be P;
Therefore; V1 = 450 mL, P1 = P, V2 = ? and P2 = 1/4P
Thus;
V2 = P1V1/P2
= (P×450)/(0.25P)
= 1800 mL
Thus, when the pressure is reduced to one-fourth of its original, the new volume will be 1800 mL.