A graduated cylinder is placed on a balance and has a mass of 29.00g. 3.00cm3 of mercury are added to it and the mass reads 69.50g. What is the density of the mercury? a
9.67 g/cm3

b
23.2 g/cm3

c
13.5 g/cm3

d
12.2g/cm3

What is limiting reactant? with examples

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons