A sample of helium gas in a 1.50L container has a pressure of 99.8 kPA. What is the new pressure if the gas is placed in a 2.00L container?

Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no

The element that has the greatest electronegativity is

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.