Forces along the horizontal
 force that caused initial velocity in x-dir
 force that caused final velocity in x-dir
forces along the vertical
 force that caused initial velocity in y-dir
 force that caused final velocity in y-dir
 force of gravity
        
             
        
        
        
Answer:
it form a negative ion because the no. of negative charges exceeds that of the positive charges
 
        
             
        
        
        
I think the volume should be still 14.3L. In this question, the gas is being held in a tank. The tank has a constant volume. The gas in the tank has the property to fill the space. So when the temperature changes, the pressure changes too. But the volume doesn't change.