Sound waves emitted uniformly in all directions
Sound level within the church (1 m away from the chorus) while people are singing, is 100 dB (0.01 W/m^2). Suppose sound waves are emitted uniformly in all directions. Determine the sound level (in dB) 1 km away from church.
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Identify the amine when a Hofmann degradation of a primary amine forms an alkenes that gives butane and 2-methylpropanal upon ozonolysis and workup under reducing the conditions.
Discuss what will be the pH of the bath tub due to the above reaction after 30.0 minutes if the bath tub holds 100.0 liters of water and the battery is able to produce an average current of I=0.09600 amps for this period of time.
Determine the force which should be exerted by a chain passing over an 8.94 cm diameter sprocket when the wheel is to attain an acceleration of 4.45 rad/s2?
If a watch draws 1.0 X 10-5 amperes continuously for 365 days, determine what mass of Hg(l) is produced when one kind of battery used in the watches contains mercury (II) oxide. As current is drawn, the mercury oxide is reduced to mercury.
Maria can run around complete track in 40 seconds. She meets Jan every fifteen seconds. How long it takes Jan to run around entire track?
Calculate the sign of the entropy of vaporization (DSvap)? (+ or -) Calculate the approximate ratio of DHvap to DSvap, given that the normal boiling temperature of water is 100oC?
This signifies that the glasses will take an object positioned at the healthy near point and form an image at the near point of the person with the eye defect. In cm, determine the near point of this person?
Identify the equilibrium concentration of the Pb+2 when PbSO4 is placed in the water. By using the chemical equation explain will the solubility of PbSO4 increase or decrease if the pH is lowered?
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