What is the volume of oxygen occupied by 2 moles at 1.3 atm pressure and 300 k? Use PV=nRT

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

Complete each row of the table below by filling in the missing prefix or missing exponent.

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag