<span>Molecular substances tend to be gases, liquids or low melting point solids, because the intermolecular forces of attraction are comparatively weak.
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a because the spoon is a solid and the hot chocolate is a liquid.So that means that spoon moves slower than a liquid.
PV=nRT
Here
P1/T1= P2 / T2
1 torr=133 pascal
600 *133 /215 = 750 *133 / t2
T2= 268.75 K
Answer:
It has varying degrees of thickness.
Explanation:
The oceanic crust of earth is different from the continental part of the earth's crust. It is much thinner which is about 5 km to 80 km in thickness. It is described as having much similarities with the mantle of the earth which is also very varying in thickness.
Explanation:
Answer:
The wavelength of wave is 0.33 ×10²⁰ m.
Explanation:
Given data:
Frequency of wave = 9.12×10⁻¹² Hz
Wavelength of wave = ?
Solution:
Formula:
Speed of light = wavelength × frequency
c = λ × f
λ = c/f
This formula shows that both are inversely related to each other.
The speed of light is 3×10⁸ m/s
Frequency is taken in Hz.
It is the number of oscillations, wave of light make in one second.
Wavelength is designated as "λ" and it is the measured in meter. It is the distance between the two crust of two trough.
Now we will put the values in formula.
λ = 3×10⁸ m/s / 9.12×10⁻¹² Hz
Hz = s⁻¹
λ = 0.33 ×10²⁰ m
The wavelength of radiation is 0.33 ×10²⁰ m .
