4) 0,3 mol H 2 O chứa bao nhiêu phân tử H 2 O? bao nhiêu nguyên tử H? bao nhiêu nguyên tử O? Trình bày đầy đủ :3

How much energy is made when a pice of wood burns. how do you know

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

Chromosome 17 is made of over million base pairs.