The molar mass of water (H2O) is 18. 02 g/mol. Yun needs 0. 025 mol H2O for a laboratory experiment. She calculates that she needs 72. 0 g H2O for the experiment. Is she correct? Answer without doing any calculations.

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20