A scoop of potassium oxide was placed in 55g of water which produced 67g of
potassium hydroxide. What mass of
potassium oxide was used?

What must happen before a body cell can begin mitotic cell division

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?