I’m hiring!. Homework Graders Pay = 1 extra credit point/10 papers graded Qualifications : No TUs, BD, LD Availability before/after school or 5 th period lunch. No nepotism/cronyism will be tolerated. HOMEWORK DUE MIErCOLES. If you haven’t done so already, read chapter 3!
The quantitative study of chemical reactions
How much product will form from a given amount of reactants?
How much of the reactants is necessary to form a given amount of product?
Calculate the mass of solid product formed when 18.4 g of MgBr2 is combined with a solution containing excess K2CO3.
You must figure out which one is limiting
Get answer in significant digits and then round down to whole number of BLTs.
510 g PH MgBr3 was obtained when 0.62 kg of P4 reacts with excess H2. Calculate percent yield.
Determine the volume of NH 12 kg of erythrose (C3 formed at STP when 2.0 x 1027 molecules N2 reacts with 4.0 kg of H2:
Determine the volume of O 12 kg of erythrose (C2 released at STP when 32 kg of Fe2O3 is purified making
Fe & O2
Calculate the mass of solid product formed when 41.6 g of barium chloride is added to 250 ml of 0.40 M potassium sulfate giving a 50.0 % yield:
Calculate the mass of solid product formed when 2.00 g of calcium bromide is added to 250 ml of 0.40 M sodium sulfate: