Evaporation is the process of converting a liquid into vapour in chemistry. The intermolecular force is required to prevent oil from evaporating at room temperature, as stated in the above sentence, Those preventing oil from evaporating at normal temperature.
<h3>What exactly is intermolecular force?</h3>
Intermolecular forces (IMF) are the attracting and repulsive forces that exist between a substance's molecules. These forces function as a bridge between individual molecules of a substance. An intermolecular force is an attractive force that exists between the positive (or protons) components of one molecule and the negative (or electrons) components of another molecule. This force influences the physical and chemical properties of a substance. The boiling point of a substance is proportional to the strength of its intermolecular forces; the higher the boiling point, the stronger the intermolecular forces. We can compare the strengths of intermolecular forces by comparing the boiling points of different substances.
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Answer:
Vesicular texture refers to volcanic rocks that contain holes called vesicles that were formed by gas bubbles in lava. This igneous rock is called scoria. The vesicles form from escaping gas bubbles in cooling lava.
Answer:
a)
s
b) 3.41 mm
Explanation:
a)
We take the speed of light, c =
m/s and the refractive index of glass as 1.517.
Speed = distance/time
Time = distance/speed
Refractive index, n = speed of light in vacuum / speed of light in medium
![n=\dfrac{c}{s}](https://tex.z-dn.net/?f=n%3D%5Cdfrac%7Bc%7D%7Bs%7D)
![s=\dfrac{c}{n}](https://tex.z-dn.net/?f=s%3D%5Cdfrac%7Bc%7D%7Bn%7D)
![t=\dfrac{d}{c/n}](https://tex.z-dn.net/?f=t%3D%5Cdfrac%7Bd%7D%7Bc%2Fn%7D)
![t=\dfrac{dn}{c}](https://tex.z-dn.net/?f=t%3D%5Cdfrac%7Bdn%7D%7Bc%7D)
![t=\dfrac{3\times10^{-3}\times1.517}{3.0\times10^8}](https://tex.z-dn.net/?f=t%3D%5Cdfrac%7B3%5Ctimes10%5E%7B-3%7D%5Ctimes1.517%7D%7B3.0%5Ctimes10%5E8%7D)
![t=1.517\times10^{-11}](https://tex.z-dn.net/?f=t%3D1.517%5Ctimes10%5E%7B-11%7D)
b)
We take the refractive index of water as 1.333.
Speed in water = speed in vacuum / refractive index of water
Distance = speed * time
![d=s\times t](https://tex.z-dn.net/?f=d%3Ds%5Ctimes%20t)
![d=\dfrac{c}{n_w}\times \dfrac{3\times10^{-3}\times1.517}{c}](https://tex.z-dn.net/?f=d%3D%5Cdfrac%7Bc%7D%7Bn_w%7D%5Ctimes%20%5Cdfrac%7B3%5Ctimes10%5E%7B-3%7D%5Ctimes1.517%7D%7Bc%7D)
![d=\dfrac{3\times10^{-3}\times 1.517}{1.333}](https://tex.z-dn.net/?f=d%3D%5Cdfrac%7B3%5Ctimes10%5E%7B-3%7D%5Ctimes%201.517%7D%7B1.333%7D)
d = 3.41 mm
A school bus is a compound machine is because it has more than 2 simple machines operating together
Answer:
Up first are Mercury and Venus. Neither of them has a moon. Because Mercury is so close to the Sun and its gravity, it wouldn't be able to hold on to its own moon. Any moon would most likely crash into Mercury or maybe go into orbit around the Sun and eventually get pulled into it.