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Briefly discuss the theories and important experiments that led to the determination that light is both a wave and a particle. i will rate the responses later
a chemistry student prepares acetone by decomposing 12.3 g of calcium acetate. if the student collected 2.50 g of
what is the molarity of a solution prepared by dissolving 15.07 g of hcl in enough water to make 920.72 ml of solution?
A sample of 28 Mg decays initially at a rate of 53500 disintegrations per minute, but the decay rate falls to 10980 disintegrations per minute after 48.0 hours
Devise a synthetic strategy to transform 1-Bromobutane to heptane
Draw a structure consistent with the following set of data: a hydrocarbon with a molecular ion at m/z = 68 and an IR absorptions at 3310
A solution containing 16.9 g of nonvolatile molecular compound in 250. g of water has a freezing point of -0.744°C. What is the molar mass of the substance?
How many grams of IKI (iodine-potassium iodide; molar mass = 166.0 g/mol) would it take to obtain a 100.0 mL solution of 0.300 M IKI? How many grams of IKI would it take
Consider a reaction of the type aA--->products in which the rate law is found to be rate=k(A)3 If the first half of the reaction is found to be 40 seconds what is the time for the second half life
C3H8(g)+5O2(g)->3CO2(g)+4H2O If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
Two parallel disks having diameters of 50 cm are separated by a distance of 10 cm. One disk also has a 20-cm-diameter hole cut in the center. Find the shape factor from the disk A1 to the one without a hole A3.
the mineral fluorite is composed of CaF2. the molar solubility of calcium fluoride in water is 2.1x10^-4 moles/L. what is the ksp of CaF2
How many moles of CF4 can be produced when 4.00 mol C react with 12.00 mol F2?
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