How many moles are in a sample of toxic chlorine gas if it occupies a volume of 18 liters, at a temperature of 78 Celsius and a pressure of 11.5 atm?

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

What does the process of natural selection involve

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