Asample of oxygen gas is sealed in container x. a sample of hydrogen gas is sealed in container z. both samples have the same volume, temperature,
and pressure. which statement is true?
(1) container x contains more gas molecules than container z.
(2) container x contains fewer gas molecules than container z.
(3) containers x and z both contain the same number of gas molecules.
(4) containers x and z both contain the same mass of gas.

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by