A balloon at an amusement park has 1,500 g of gas. By what amount will the mass of the balloon decrease if all the gas inside it escapes?
a) 750 g
b) 1,500 g
c) 2,000 g
d) 3,000 g
If all the gas inside the balloon escapes, the mass of the balloon will decrease by the mass of the gas inside it, which is 1,500 g. Therefore, the correct answer is:
b) 1,500 g