Use your solubility rules to determine if each of the following compounds is soluble or insoluble in cold water. a. Al2(SO4)3
b. Pb(ClO3)2
c. KCl
d. FeS
e. NaNO3
f. AgCl
g. BaSO4
h. Ca3(PO4)2
i. (NH4)2S
j. Hg2Cl2
k. CuSO4
l. PbCl2

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

How many atoms are there in 5.70 mol of mg

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