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when 1000cm3 of a 0.1M of NaOH solution is neutralized by 0.1M H2SO4 what mass of NaSO4 would be formed
Phosphorus-32 is used in biochemical studies to follow the pathway taken by metabolites. Its half-life is 14.3 days. A vial containing 10μg of P-32 is accidentally spilled into a sink.
a) How long will it take P-32 in the drain to exhibit 65% of its original activity?
b) How many atoms of P-32 remain in the sink after 785 days?
some one wants to sell you a piece of gold and says it's nearly pure. before buying the piece, you measure its mass to be 52.3 grams and find that it displaces 4.16ml of water. calculate its density and consult table 2.1 to assess it's purity. chemistry
If water flows over a dam at the rate of 25,800ft^3 per second, how many gallons of water flow over the dam 1 week? Use unit analysis.
How many liters are there in a cube that is 2.0ft long on each side? 1ft=12in. Use unit analysis.
Determine the volume of Cu(NO3)2 stock solution and volume of H2O needed to make 10.00 mL of four solution with concentrations between 0.40 M and 0.025 M.
Convert 233 K into Fahrenheit
1. How many atoms of carbon are there in 0.40 mol of procaine, C13H20N2O2, a “pain killer” used by dentists?
is water miscible with butane?
