How many electrons are transferred in total in this reaction?
2 NH3 + 2 O2 – N2O + 3 H2O
4 electrons
10 electrons
8 electrons
6 electrons

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?