If 35.5 liters of HNO3 reacts with 75.56 grams of Zn, how many liters of Zn(NO3)2 is produced?

Where are each of the three particles located within the atom?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

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