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Problem- You have produced a gas which you suspect to be hydrogen. Describe how you might confirm your suspicion. State exactly what you would do and what would you expect to observe.
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An electric power station annually burns 3.6 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP
quinine in a 1.664 g antimalarial tablet was dissolved insufficient 0.10 m hcl to give 500 ml of solution . a 20.00
a metal sample weighing 45.0 grams and at a temperature of 99.1 degrees Celsius was placed in 38.6 grams of water in a calorimeter at 25.0 degrees Celsius. The calorimeter reached a maximum temperature of 32.8 degrees Celsius.
Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution containing sodium iodide. How many grams of sodium iodide, NaI must be used to produce 19.1g of iodine, I2
In the laboratory experiment, as the 4-methylcyclohexene and water are being formed, they are constantly being disstiled from the reaction mixture into a separate receiving flask. Explain how this process helps the reaction proceed with a higher y..
State the polarities of each compound from most polar to least polar- Fluorene, Fluorenone, Hexane, Dichloromethane, Alumina. Define how to figure out which is more polar for points.
In the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3)in the isolation step. Why? What gas is evolved during this washing step? Write a balanced equation for the reac..
A certain copper ore contains 2.34% of Cu2S by mass, and the remainder of the ore contains no copper. In a particular year, a single open-air smelt furnace heated 26000 tons of this ore.
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. 0.17 M CH3NH2Cl
From the Mn concentrations (3.56ppm and 3.71ppm) and uncertainty
what is the boiling point of a solution of 8.69 g of the electrolyte sodium acetate nach3coo dissolved in 15.00 g of
Compound Z has a solubility limit of 32.5 g/L in diethyl ether. Compund Z has a solubility limit od 2.5 g/L in water. You are given a 100 mL aqueous solution that contains 200 mL of compund Z. If you do three 33.3 mL extractions of Z using diethyl..
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