Select the statements that are TRUE. Electrophilic aromatic substitution reactions have energies of activation that are very low
1 answer:
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Answer:
heat required in pan B is more than pan A
Explanation:
Heat required to raise the temperature of the substance is given by the formula
now we know that both pan contains same volume of water while the mass of pan is different
So here heat required to raise the temperature of water in Pan A is given as
Now similarly for other pan we have
So here by comparing the two equations we can say that heat required in pan B is more than pan A
Explanation:
It is given that,
The distance between the first spot and the central minimum is, s = 0.007 cm
Length, l = 12 m
Wavelength,
We need to find the width of the hair. Using the condition of diffraction pattern as :
, d is the width of the hair
d = 0.00102
or
So, the width of the hair is . Hence, this is the required solution.