At constant volume, you cool a sealed, air-filled can, and the pressure reduces by half. which of the following happens? half of the gas leaks out the temp of the air reduces by half the spaces between the gas molecules shrink the number of collisions per unit area doubles

What are transitions between a liquid and gas called? identify which way they are transitioning

Which of these conditions most likely produces an unstable isotope?

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size