Uranium is used in nuclear reactors and is a rare element on earth. Uranium has three common isotopes. If the abundance of ²³⁴U is 0.01%, the abundance of ²³⁵U is 0.71%, and the abundance of ²³⁸U is 99.28%, what is the atomic weight of uranium?

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate