Which piece of equipment would be used to measure the volume of a liquid? a. a beaker b. a meter stick c. a graduated cylinder d. a triple-beam balance

Convert 3.5 mol to umol

A mixture containing nitrogen and hydrogen weighs 3.49 g and occupies a volume of 7.45 L at 305 K and 1.03 atm. Calculate the mass percent of these two gases. Assume ideal-gas behavior. slader

What two atoms are isotopes pf one another?

What did Bohr's model of the atom include that Rutherford's model did not have? a nucleus energy levels electron clouds smaller particles

Which of the following statements about the formation of a solution is true?

Why has the canals in Venice Italy cleared up during this time?

What mass of potassium would react with excess chlorine to produce 156 grams of potassium chloride

How many atoms of He are in 5.69 grams? O 3.70 x 10 23 O 3.7x10 23 O 8.57 x 10 23 O 8,6 X 10 23

According to the octet rule most elements need_valence electrons.

What is the average speed of particle in a gas at room temperature? Why is temperature an important variable?