in the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. if you brun 31.0 g of hydrogen and produce 277 g of water, how much oxygen reacted?

The best explanation for the decrease in the amount of energy transferred to each succeeding level is that much of the energy is

Rank from most to fewest valance electrons

During which era did plants first appear on an island? a. CenozoicB. Mesozoic c. PaleozoicD. Precambrian

If the flask has a volume of 0.25 l, what is the minimum mass of ph3bcl3 (s) that must be added to the flask to achieve equilibrium?

Materials with small, connected pores are a. impermeable c. unsaturated b. permeable d. saturated

Which of the following solutions is a good buffer system? Which of the following solutions is a good buffer system? a solution that is 0.10 M HF and 0.10 M LiC2H3O2 a solution that is 0.10 M HC2H3O2 and 0.10 M LiC2H3O2 a solution that is 0.

Which formula shows a substance that is not molecular?

Brainstorm how you could run a pcr reaction if you did not have access to a thermal cycler.

Ch4+br2=ch3br+hbr which type of reaction does this equation represent

Would you use sandstone or slate for building