If 23g of copper (ii) chloride reacts with 23g of sodium nitrate, what mass of copper (ii) nitrate can be formed? also, how much sodium chloride can be formed?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.