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A 75mL mixture is prepared with 30mL of potassium iodide of concentration 0.180M, 15ml of Na2S203 of concentration 0.0036M and30mL of (NH4)2S208 of concentration 0.180M.
What is the initial concentration of the iodide ion?
The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 103 Calories. If an athlete expends 1975 kJ/h, how long does she have to play to work off 1.0 lb of body fat?
For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid.
Write the chain propagation steps for the formation of dichloromethane in the chlorination of methane
Describe how this observation is consistent with the law of conservation of charge.
You are given 100 mL of a colorless aqueous solution. How would you determine if the solution is a buffer solution. State what you would need (if anything) in addition to the suspected buffer solution, state what you would do, and how you would de..
considering the given reaction as cocl2g---gt cog cl2gcarried out in a two litres pressure vessel at 500knbsp.where
A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine.
How much heat in kilojoules is required to warm 10.0g of ice, initially at -20.0^\circ C, to steam at 110^\circ C. The heat capacity of ice is 2.09 {\rm J}/{\rm g} ^\circ {\rm C} and that of steam is 1.84 {\rm J}/{\rm g} ^\circ {\rm C}.
what molecule would give the following mass spec data. this molecule shows three significant fragment ions. Alpha-fragmentation forms the m/z =59 base peak
How many milliliters of 5 M NaCl are required to prepare 1500 mL of 0.002 M NaCl. What will be the concentration of the diluted solution expressed in millimolars, micromolars, and nanomolars.
Show the mechanism for the preparation of 1-bromobutane from 1-bromobutanol reacting with NaBr and sulfuric acid. an sn2 mechanism and one step.
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