How does the molecular structure of a water molecule affect its polarity?
2 answers:
Answer:
The molecular structure of water makes water to be a polar compound
Explanation:
A polar compound is a compound that has two poles. In this case, water will have negative and positive poles.
When a water molecule is formed, the two atoms of hydrogen do not just stay any where they like. Rather, they attach to the top of the oxygen atom, like rabbit ears as shown in the attachment below.
The hydrogen atom is positively charged, while the oxygen atom is negatively charged. This gives water its unique polar nature.
The top of the water molecule which has the hydrogen is now positively charged.
The bottom part of the water molecule which has the oxygen atom exposed is negatively charged.
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Answer:
a= 3.49 m/s^2
Explanation:
magnitude of total acceleration = sqrt{radial acceleration^2+tangential acceleration^2}.
we know that tangential acceleration a_t= change in velocity /time taken
now 90 km/h = 25 m/s
a_t = 25/17 = 1.47 m/s^2.
radial acceleration a_r = v^2/r
v= a_t×t = 1.47×13 = 19.11 m/s
a_r = 19.11^2/115= 3.175
now,
a= 3.49 m/s^2