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Potassium metal (K) reacts violently when added to water according to the balanced equation: 2K+ 2H2O-->2KOH+H2. how many mole of H2O are needed to react completely with 7.54 mol of K?
Develop a scheme to separate Ag+, Mg2+, and Pb2+ cations in solution and draw a flow chart that depicts your scheme.
What mass of carbon dioxide is produced from the complete combustion of 5.80×10^3 g of methane. Express your answer with the appropriate units.
a bottle of acetaminophen tylenol containing 75 tablets 325-mg each sells for 2.29. calculate the cost of one billion
What is the anticpated rate in grams per minute at which ethanol will be formed at a rate of 100 L per minute at 573 K and 69.08 atm
what mass of Fe (OH)3 would be produced by reacting 75.0 mL of a 0.0815M Fe( NO3)3 solution with 125 mL of a 0.150 M NaOH solution
A 500 L tank contains 525 moles of propane at 100°C. The critical point for propane is 369.9K and 42.0 atm. Calculate the tank pressure (absolute) using the Virial Equation (1st order). Note: ? = 0.152 for propane.
How many molecules would be contained in each of the following at the same temperature and pressure. A.) 5.0 L hydrogen
Calculate the pH after 0.020 mol of NaOH is added to 1.00 L of a solution consisting of 0.100 M HONH2 and 0.100 M HONH3Cl
If the molar enthalpy of combustion of ethane is -1.56 MJ/mol, how much heat is produced in the burning of;
A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates.
the density of toluene c7h8 is 0.867 gml and the density of thiophene c4h4s is 1.065 gml. a solution is made by
According to XRF my sample has 41 wt-% of SiO2 and 59 wt-% of Fe2O3. How do I convert the oxide wt-% to element mol-% to determine the cation Si:Fe ratio
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