A. 13. Calculuate the number of moles of 0.0020 g of Ca(NO3)2.
0.0025 mol
b. 0.000012 mol
C. 1.2 mol
d. 0.00012 mol

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4