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Construct a new separation flow chart based only on the cations you identified in your unknown sample, a flow chart for the separation of a solution of containing Ag+ (white) , Fe3+ (red), and Pb2+ (yellow). Use any reagents that you used in lab. Provide the reasons why the cations are precipitated out by the specific reagents. Include any chemical equations for reactions that occur.
What are two of the more important sources of unavoidable error in this the evaluation of the gas law constant?
How much heat energy, in kilojoules, is required to convert 73.0 g of ice at -18.0 0C to water at 25.0 0C ?
Find the volume in cubic centimeters of a box 25 mm x 12 cm x 0.20 m. How many grams of water should the box hold. The density of water is 1 g/mL and 1 cubic centimeter equals 1 mL.
Calculate the following values for a 0.0150 M solution of NaH2A. and Calculate the following values for a 0.0150 M solution of Na2HA.
A sample of krypton gas takes 2033. Is to diffuse across a room. Explain how long will it take the same amount of nitrogen gas to diffuse across the room under identical conditions
Calculate the mass of solid ascorbic acid (C6H8O6) needed to prepare 100 mL of a 0.200M ascorbic acid solution.
1-If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of 0.050 M citric acid, a triprotic acid, how many mL (total) of NaOH are required to completely titrate all three of citric acid's protons
The rate constants of some reactions double with every 10 degree rise in temperature.Assume that the reaction takes place at 345K and 355K.what must the activation energy be for the rate constant to double as described
C3H8 + 5O2 reacts to yield 3CO2 + 4H2O +488 kJ What is the heat released if 2.5 moles of C3H8 reacts completely with oxygen?
Give a summary of each of the six types of viral hepatitis. Include causative agent, if known, incubation period, symptoms, treatments, diagnostic tests.
Problem- Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition.
Using the information below, what is the most stable form of sulfur at 298K and 1atm? (no calculations needed) S(rhomic): V=0.016, delta H formation=0, delta G formation=0, Standard molar S=31.8, standard molar Cp=22.64 S(monoclinic)
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