Calculate how many kilograms of copper sulphide could be
Calculate how many kilograms of copper sulphide could be formed from the reaction of .9 mol of copper with excess sulphur?
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What will be the total pressure of the gases in the flask after 1.5 hours? At a particular temperature the first-order gas-phase reaction 2N2O5→ 2N2O4 +O2 has a half-life for the disappearance of dinitrogen pentoxide of 3240s.
Use the semi empirical mass equation to determine the percentage contribution to the average binding energy per nucleon of the volume energy for A=60 and A =240
Determine the freezing point of this solution? A solution is prepared by condensing 4.00 L of a gas, measured at the 270C and 748 mmHg pressures into the 58.0g of benzene.
If the masses of the empty flask and filled flask were 56.12g and 87.39 g, respectively, and the density of water is 0.9976g/mL, determine the volume of the flask in mL.
There are approximately 25 drops per milliliter of water depending upon the tip of a dropper pipet. Determine the proximate volume of one drop of an aqueous solution?
There is the possibility that your compound may crystallize out on the filter paper thus reducing the percentage yield of your crystals during the vacuum filtration of the hot solution of your compound.
Consider a bag containing all kinds of coins: toonies, loonies, quarters, dimes, nickels, and pennies. We are interested in testing the hypothesis of having more pennies than any other coins.
The waste treatment plant has the settling tank designed with the overflow capacity of 100 m3 per day per m2. Evaluate depth (in ft) of settling tank if retention capacity is 2 hrs.
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