If there are 80 liters of argon gas in a piston and the piston expands the gas until its volume is 2000 liters with a pressure of 0.46 atm, what was the initial pressure of the argon? Temperature is constant at 293 K.

What is the most important factor in determining climates.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j