14. A sample of hydrogen is collected over water at 12 °C. The pressure of the hydrogen and water
vapor mixture is 0.2atm. The hydrogen is then cooled, at the same volume, to 0°C. What is the
new pressure?

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what