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Given that a 0.160 M HCl(aq) solution costs $39.95 for 500 mL , and that KCl costs $10/ton,
which analysis procedure is more cost-effective?
Chlorine gas can be made in the laboratory by the reaction of hydrochloric acid and manganese (IV) oxide.
Problem- A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell potential of 0.734 V. If the silver-silver chloride electrode is replaced with a satur..
A black precipitate remaining from the seperation of Cr^3+ and Fe^2+ ions is dissolved in HCl and HNO3. Some NH3 is added, followed by several drops of dimethylglyoxime. (a). A colorless solution results, What do you think happened.
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions.
a fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean. each barrel contains 42 gallons. if the oil film on the ocean is 2.5 x 10^2nm thick , how many square meters will the oil slick cover?
Question- A sample of the compound prepared in this experiment weighing 0.1021 gis dissolved in HNO3 and diluted to a volume of 100ml.A 10-ml alioquot of that solution is mixed with 10 ml 6M NH3 the resulting solution is found to be 5.16x 10^-3 M
Specified that the half-life of this reverse reaction is 52sec when the initial concentration of NO2 is 2.00M, Explain how long would it take in seconds for 80% of the NO2 to decompose
A 75.0- volume of 0.200 M NH3 (kb=1.8*10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 11.0 mL of HNO3.
The oxidation of nitrogen monoxide gas by molecular oxygen to form nitrogen dioxide gas is reversible and exothermic. Predict the effect of each of the following changes on the position of the equilibrium and a relative change in Kc.
Calculate the amount of water in liters that would have to be vaporized at 40 C (approximately body temperature) to expend the 2.5 x 10^6 calories of heat generated by a person in one day (commonly called sweating).
Calculate the partial pressure of hydrogen gas at equilibrium. and calculate the vaue of Kp for this reaction.
Problem- How many geometrical isomers could [Rh(py)3Cl3] have? Note: py is the abbreviation for the pyridine ligand. Draw them. Are any isomers chiral?
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