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Zinc Sulfide is treated with sulfuric acid, leaving a solution withsome undissolved bits of material and releasing hydrogen sulfidegas. If 10.8g of zinc sulfide is treated with 50.0ml of sulfuricacid (density=1.153 g/L), 65.1 grams of solution and undissolved material remains. In addition, hydrogen sulfide (density= 1.393g/L) is evolved. What is the volume in liters of this gas?
A swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. How many gallons of water are required to fill the pool?
A dose of aspirin is 5.0mg/kg body weight has been prescribed to infant that weighs 8.5lbs. How many miligrams is needed.
What is the fractional conversion of ethane. What is the production rate of ethanol
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu. Answer 3.507 amu 1.056 amu 0.079 amu 0.564 amu 0.528 amu
An alkyne of six carbon atoms gives the same single product in its reaction either with BH3 in THF followed by H2O2 /OH-, or with H2O/Hg2 /H3O . Draw the structure of the alkyne (containing only carbon and hydrogen atoms).
separate Pyridine Pka of conjugate acid:5.30 and phenol pka :10 using reverse phase HPLC, you and your lab partner are both eligible for the same promotion
Caprylic acid (144.21g/mol), pKa= 4.89, density= 0.910 g/cm3, solubility= 0.068g/100mL, melting point= 16.7 c, boiling point= 239.7 c. What is the pH of a saturated aqueous solution
negative or about 0. For each, indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
What mass of potassium sulfate is produced when 45.6 g of KMnO4 reacts with 56.4 g of H2SO4? 4KMnO4 + 6H2SO4 --> 2K2SO4 + 4MnSO4 + 6H2O + 5O2
Explain how these products are produced by showing the mecahnism involved. (draw).
Compute the mass of Au(gold) that occupies 5.0 X 10^-3 cm^3. If the density of gold (Au) is given=19.3 g/cm^3.
Calculate each of the following quantities for an ideal gas: a) The volume of gas, in liters, if 5.32 moles has a pressure of 3.72 atm at -72°C. b) The temperature (in C) of a gas containing 8.55 x 10-12 moles occupying 64 mL at 693 torr.
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