The bigger molecule has more interactions and hence the higher b.p. CH3CH2OCH2CH3 is a bigger molecule than CH4 and CH3CH3, so has more dispersion forces. It also has dipole-dipole forces due to the polarised C-O bonds. CH3OH and CH3CH2OH have hydrogen bonds due to the very electronegative O atom bonded to the H atom
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We have that the Force is mathematically given as
F=170.833N
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Question Parameters:
- The torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 41 N · m,
- the end of a 24 cm-long wrench to <em>loosen </em>the nut
Generally the equation for the Force is mathematically given as
Therefore
F=41/0.24
F=170.833N
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Answer: QUANTUM MECHANICAL MODEL OF THE ATOM.
Explanation:Edwin Schrodinger is an Australian Physicist,who proposed the Quantum mechanical model of an Atom,this theory helped to give a better understanding of Bohr's model.
According to Bohr's model,it is believed that electrons are concentrated around the circular shell of the Nucleus of an Atom which Edwin Schrodinger improved by proofing that the Behaviors of electrons around an the Nucleus of an Atom can be explained by the Mathematical representation of their waves.
Answer:
117.8 m/s
Explanation:
Given that:
String length, L = 0.28
pipe length, L' = 0.82
Speed of sound in air, v = 345 m/s
n = 3 (3rd harmonic)
Frequency, f of 3rd harmonic ;
f = (v*n) / 2L - - - - (1)
for the pipe: ; 3rd harmonic
f = (v*n) / 2L' - - - (2)
Equating (1) and (2)
(v*n) / 2L = (v*n) / 2L'
2L' * v * n = v* n * 2L
v = vL / L'
v = (345 * 0.28) / 0.82
v = 96.6 / 0.82
v = 117.80487
v = 117.8 m/s
