Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficient. add a 1 if there should be no coefficient.

cs2(i)+o2(g)-co2(g)+so2(g)

__c __ s __ - __c __s __o

__ cs2(i)+ __ o2(g)- __ co2(g)+__ so2(g)

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

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

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)