Numerical Problems: a A person shouts loudly at the mouth of a well facing towards the water. The echo is heard clearly after 0.2 seconds. What is the distance between the person and the surface of water? [Velocity of sound in air = 332 m/s]

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle. if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3.2 kilopascals, what is the partial pressure of the hydrogen?

Which compound should undergo substitution of the bromine by phenolate anion? draw the structure of the organic product?