m = mass of the particle = 2 x 10⁻³⁰ kg
Δv = uncertainty in velocity of the particle = 10² m/s
Δx = uncertainty in position of the particle = ?
h = plank's constant = 6.63 x 10⁻³⁴ J-s
uncertainty principle is given as
m Δx Δv ≥ h/(4π)
inserting the values
(2 x 10⁻³⁰) Δx (10²) ≥ (6.63 x 10⁻³⁴)/(4(3.14))
Δx ≥ 2.64 x 10⁻⁷ m
so minimum possible uncertainty is 2.64 x 10⁻⁷ m
Answer:
(2) Boiling point order: Methanol (highest) > Methanal > Methane (weakest)
(3) Boiling point of alcohol will be higher than ester molecules
Explanation:
(2) Methane is a non-polar molecule. Hence only weakest van der waal inter molecular force is present between methane molecules.
Methanal is polar molecule due to presence of polar aldehyde group. hence weaker dipole-dipole inter molecular force is present between methanal molecules.
Methanol is a polar protic molecule. Hence strongest H-bonding force act between methanol molecules.
The stronger the inter molecular force, the higher will be boiling point.
Boiling point order: Methanol (highest) > Methanal > Methane (weakest)
(3) An alcohol is a polar protic molecule. Hence strongest H-bonding force exist between alcohol molecules.
An ester is polar molecule. Therefore weaker dipole-dipole inter molecular force is present between ester molecules.
So boiling point of alcohol will be higher than ester molecules.
The correct answer is L, solid to gas; given that you meant after the change the substance can fill the container entirely
Answer:
Maximum velocity is reached when you stop accelerating, because this is when you can't gain anymore speed, i.e. acceleration is zero. In other words the derivative of velocity is equal to zero. However, zero acceleration can also result in minimum velocity because you can't lose any more speed.
Explanation:
hope this helps
t<135 because it will be less then 135°
