What is the molar mass of acetylene gas if the density at STP is 1.16g/L at STP? Pls )

What human activity increases beach erosion?

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?