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A 155-g piece of copper at 159oC is dropped into 250.0 g of water at 18.7oC. (The specific heat of copper is 0.385 J/goC.) Calculate the final temperature of the mixture. (Assume no heat loss to the surroundings.)
What is the resulting pH 2)More strong base is added until the equivalence point is reached. What is the pH of this solution at the equivalence point if the total volume is 64.0mL
When separated from a water solution, CuSO4 forms a hydrate with 5 water molecules per formula unit. If 38 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
What volume of .250 M calcium chloride would be required to precipitate silver chloride if it is mixed with 600.0 ml of 0.650 M Silver nitrate.
what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time. Assume ideal behavior for all gases
The molar extinction coefficient of benzene equals 100 M-1cm-1 at 260 nm. Assume this number is independent of solvent. (a) What concentration would give an absorbance of 1.0 in a 1 cm cell at 260 nm?
elemental sulphur occurs in the solid state as 8-membered rings arranged in rhombohedral crystal structure s8 which
a plant manufacturing nails and screws uses a large pool volume 10000 l to collect and treat its residual waste water
A compressed air car has several advantages over conventional vehicles - it has zero emissions, refueling can be done at home and there is no hazardous or rare battery chemical to deal with. The engine of such a car relies on the expansion of comp..
The procedure (paragraphs 2 and 3) states that the additions of bromobenzene, methyl benzoate and hydrochloric acid must be done slowly. What might happen if any of these were done too rapidly
imagine that you own a pharmacy in your area. one of your competitors launches a we will not be undersold campaign
a 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25degc and the volume of the balloon is 12.2 l.
how many kilojoules of energy are needed to convert 100 g ice at 10.0C to water at 20.0C? (the specific heat of ice at 10C is 2.01)
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