If 150 g of phenacetin were dissolved in 100 ml of water, how much ether would be required to extract 90% of phenacetin in a single extraction?

Gaseous methane ch4 will react with gaseous oxygen o2 to produce gaseous carbon dioxide co2 and gaseous water h2o. suppose 0.48 g of methane is mixed with 0.730 g of oxygen.

What is the difference between a universal law and a scientific theory? options: A) Universal laws change as new evidence comes to light. Scientific theories never change. B) Scientific theories apply everywhere all the time. Universal laws do not.

S iodine (i2) more soluble in water or in carbon disulfide (cs2) ?

What kind of mixture is homogenized milk

Which statement best describes a solution? A). a mixture consisting of minute particles suspended in a medium that start moving about as soon as the mixing process stops. B).

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.

How many moles of oxygen react with 0.23 moles of NH3

How many moles of carbon do you have in 100 quadrillion carbon atoms? report answer to 2 sig figs

A small 15 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

Liquid water is heated until it boils and becomes water gas. Which statement is true about the water?