A gas is confined in a cylinder fitted with a movable piston. At 27 °C, the gas occupies a volume of 2.0 L under a pressure of 3.0 atm. The gas is heated to 47 °C and compressed to 5.0 atm. What volume does the gas occupy in its final state? 0.78 L
1.3 L
2.1 L
0.48 L

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

The same side of the moon always faces earth because the