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mr_godi [17]
3 years ago
14

True or false the molecular formula for ibuprofen is the same as the empirical formula

Physics
1 answer:
Elena L [17]3 years ago
7 0
I believe the above statement is true.
The empirical formula for ibuprofen is C₁₃H₁₈O₂, which is also its molecular formula. The empirical formula of a compound represents the lowest whole number ratio of the elements in it. The molecular formula on the other hand indicates the exact number of atoms in a molecule. Ibuprofen is a drug that is used to manage mild to moderate pain, fever, inflammation, menstrual cramps, and types of arthritis. 
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sertanlavr [38]
V=(40km/hr)(hr/3600s)(1000000mm/km)
v=11111.1mm/s

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d=vt
d=(11111.1mm/s)(5s)
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4 0
3 years ago
A layer of oil (n = 1.38) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid.
Vinil7 [7]

Answer:

Refractive index of unknown liquid = 1.56

Explanation:

Using Snell's law as:

n_i\times {sin\theta_i}={n_r}\times{sin\theta_r}

Where,  

{\theta_i}  is the angle of incidence  ( 65.0° )

{\theta_r} is the angle of refraction  ( 53.0° )

{n_r} is the refractive index of the refraction medium  (unknown liquid, n=?)

{n_i} is the refractive index of the incidence medium (oil, n=1.38)

Hence,  

1.38\times {sin65.0^0}={n_r}\times{sin53.0^0}

Solving for {n_r},

Refractive index of unknown liquid = 1.56

4 0
3 years ago
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