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A jet of water is initially 12cm in diameter and when directed vertically upwards reaches a maximum height of 20m. Assuming that the jet remains circular determine the rate ot water flowing and the diameter of the jet at a height of 10m?
If the mixture is ignited and the methane completely combusts, producing carbon dioxide (CO2) and water (H2O), calculate the mass percent, the mole fraction, and the partial pressure of CO2 in the container after cooling back down to the initial t..
A solution is prepared by dissolving 0.400 g of solute in 1000.g of water how many parts per million of solute are in this solution
Name the two types of nucleic acids and where each is found in the cell. Also include the four bases particular to each nucleic acid.
Assume three significant figures and an average wavelength of 504 nm for solar radiation. A green leaf has a surface area of 2.00 cm^2
6.48g of NAH2PO4 and 21.96 g of K2HPO4 are dissolved in sufficent water to make a liter of solution. Caluclate the ph of the resulting solution.
A compound burns in a bomb calorimeter that contains 2.80 L of water. If the combustion of 0.161 moles of this compound causes the temperature of the water to rise 48.0oC, what is the molar heat of combustion of this compound (dH2O= 1.00g/mL, cH2O..
Ruthenium red can be used as a tissue stain for microscopy. It contains 38.56% ruthenium by mass. If each molecule of ruthenium red contains 3 ruthenium atoms, what is the molar mass of ruthenium red
(a) How many mL of KOH will it take to reach the equivalence point? (b) Calulate the pH at the equivalence point. The Ka of HClO is 3.8x10^-8
A solution is prepared by measuring 33 mL of the concentrated HCl, adding it to water, and diluting to 0.500 L. Calculate the approximate molarity of this solution from the volume, percent composition, and density.
A 0.358 g sample of KAu(CN)2, has 7.48 x 1020 atoms of Au. How many atoms are in this entire sample?
Calculate the equlibrium concentration of Ni2+ in a solution with an analytical Ni(EDTA)2- concentration of 0.0125 at pH 8.0.
A compound A(C6H6) undergoes catalytic hydrogenation over lindlar catalyst to give a compound B, which in turn undergoes ozonolysis followed by workup with aqueous H2O2 to yield succinic acid and two equivalents of formic acid.
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