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A white solid is either NaI or NaNO3. If an aqueous solution of the solid is prepared, the addition of which reagent will allow you to distinguish between the two compounds?
A) NaOH
B) HCl
C) K3PO4
D) NH4Br
E) Pb(NO3)2
For one of the solutions you make up for this week's experiment, 8.00 mL of 2.0E-3 M iron(III) nitrate solution is mixed with 1.00 mL of 2.0E-3 M potassium thiocyanate solution,
Methanol undergoes combustion in oxygen to make Carbon Dioxide Gas & Liquid Water. Find Standard Enthalpy of Reaction?
A 4.05 g sample of a compound containing only C, H, and O was burned completely. The only combustion products were 10.942 g CO2 and 4.476 g H2O. What is the empirical formula of the compound.
a gas mixture of a amp b containing 1.5 mole a and 98.5 mole b is to be contacted by a pure liquid in a packed
What is the photoelectric effect, and what property of electromagnetic radiation does it help explain
A saturated solution of nickel(II) sulfide contains approximately 3.6 multiplied by 10-4 g of dissolved NiS per liter at 20°C. Calculate the solubility product Ksp for NiS at 20°C.
The concentration of styrene is lower in the toluene solution than in pure styrene so all bimolecular polymerization steps occur more slowly. d) the order of the reaction increases in toluene
When a piece of metal is irradiated with UV radiation (lambda = 162 nm), electrons are ejected with a kinetic energy of 5.46 x 10^-19 J. What is the work function of the metal
What minimum mass of succimer (C4H6O4S2) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 , that total blood volume is 5.0 L , and that one mole of succimer binds one mole of lead.
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of BrO3- is tripled and that of Br- is tripled? Just put in the number as a whole number or fraction.
how much dry solute would you take to prepare each of the following soluions from the dry solute and the solvent? Part A. 124ml of 0.555M KCl. Part B 10g of .530m KCl. Part C 107g of 5.4% KCl solution by mass.
With a value of Ka = 2.69*10^-4 and initial pH = 3.57 of the solution, what would the intial concentration of this acid
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