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Compare the similarities and differences in the properties of the zn cu fe elements in their combination with water, hydrochloric acid, and nitric acid. Is this behavior consistent with their relative position in the periodic table?
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?
An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 9.83 g. If the volume of a sphere is less than ________cm3, then the sphere will sink in liquid mercury( density= 13.6 g/cm3)
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy released by the formation of water from H2 and O2 into electrical energy. Determine the quantity of electrical energy obtained from converting 1 mole of H2 into H..
Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.
Calculate the theoretical yield of aspirin obtained when 2.0 g of salicylic acid and 5.0 mL of acetic anhydride (density = 1.08 g/mL) 2. if 1.9 g of asprin were obtained in this experiment, what would be the percent yield
Calculate the heat required to convert 50.0 g of C2CL3F3 from a liquid at 20.00 degrees celcius to a gas at 75.00 degrees celcius.
Write the balanced chemical equation for the following reaction. Phases are optional. Solid iron(II) hydroxide decomposes to form solid iron(II) oxide and liquid water.
What is the conjuate base of HPO4^2- C. Which acid has the weaker conjugate base. D. which acid has the stronger conjuate base. E. which acid produces more ions
Using the following monomer, draw the mechanism for the formation of the polymer, stopping after attaching three units together. Benzene-ch(double bond)ch-ch2-cyclopentane
sample of fertilizer by the procedure of this experiment and obtain 1.000g of MgNH4PO4 * 6H20. Calculate the equivalent mass of P2O5 initially in the sample.
The pH of a 2.1 M solution of a weak acid, HA, at 298K is 1.85. What percent of the acid has dissociated
Explain what is the carbon dioxide generation rate, in lb CO2 per MWe-hr and what percentage reduction is needed to meet the U.S. EPA's proposed emission standard of 1,000 lb CO2per MWe-hr. Explain how might the reduction be achieved
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