The strength of intermolecular forces between particles affects physical properties of substances such as boiling point, melting
2 answers:
Answer:
D) C6H6
Explanation:
The strength of intermolecular forces between particles affects physical properties of substances such as boiling point, melting point, surface tension, and vapor pressure. Which substance has the highest melting point
A) C2H5O
B) C2H6
C) H2O
D) C6H6
C2H5O has a melting point of
C2H6 has a melting point of
H2O
has a melting point of
c6h6 has a melting point of
benzene as the highest melting point
When molecules are tightly packed together, a substance has a higher melting point than a substance with molecules that do not pack well. ... Molecular mass also affects the melting point. , smaller molecules melt at lower temperatures than larger molecules.
melting point is the temperature at which a substance coexist as both solid and liquid without any noticeable change in temperature
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Answer:
The speed of the sled is 3.56 m/s
Explanation:
Given that,
Mass = 2.12 kg
Initial speed = 5.49 m/s
Coefficient of kinetic friction = 0.229
Distance = 3.89 m
We need to calculate the acceleration of sled
Using formula of acceleration
Where, F = frictional force
m = mass
Put the value into the formula
We need to calculate the speed of the sled
Using equation of motion
Where, v = final velocity
u = initial velocity
a = acceleration
s = distance
Put the value in the equation
Hence, The speed of the sled is 3.56 m/s.