The speed of molecules is indirectly related to a measurement called _____.
2 answers:
Answer : (c) temperature is the correct option.
Explanation :
The speed of molecules is directly proportional to temperature. If the temperature of the system is increased, the molecules start vibrating i.e. their kinetic energy increases which in turn increase its velocity.
From kinetic theory of gases,
........(1)
where,
R is the gas constant
T is temperature
M is molar mass
So, from equation (1) it is clear that velocity is directly proportional to temperature.
Hence, the correct option is (B) " temperature"
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Given :
Liquid is poured into a burrete so that it reads 14cm³.
50 drops were run each of volume 0.1cm³ .
To Find :
The volume of liquid in burrete after 50 drops.
Solution :
Volume of each drop, v = 0.1 cm³.
Initial volume in burrete, V = 14 cm³.
Now, volume left after droping 50 drops are :
Therefore, the volume left in burrete is 9 cm³ .