Plz help ASAP this is due today. 1) What is the approximate volume of 280 g of chlorine gas (Cl2) at STP?

A) 7.9 L
B) 22 L
C) 88 L
D) 180 L

2) 1 molecule of hydrogen+ 1 molecule of chlorine = 2 molecules of hydrogen chloride.
A) 2H+2CI=H2CI2
B) 2H+2CI=2HCI
C) H2+CI2=H2CI2
D) H2+CI2=2HCI

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 do you convert 4 mmol of bromobenzene to ml?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.