A gas sample occupies 8.77 L at 20 degrees Celsius and 3.98 atm. What is
the amount of mols of gas in the sample? *

Why does his teacher ask him to balance the equation by including the correct coefficient

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

How many grams of aluminum will there be in 98g of al2o3?