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Zinc metal reacts with hydrochloric acid to produce zinc (II) chloride and hydrogen gas. How many liters of hydrogen gas will be produced at STP when 10.00 g of zinc metal is added to a 30.0 mL of a 0.500 M hydrochloric acid solution?
calculate the E cell when [Zn^+2] = 0.10M and [Cu^+2] = 2.0 x10^-4M. Is the reaction Spontaneous or Non- spontaneous?
If the pollutant to be removed has a concentration of 100 mg/L and decays by 1st-order kinetics with a rate coefficient of 2.25 d-1, what percent removal is achieved if one uses the theoretical hydraulic retention time of the reactor. What percent..
The chemical equations describing the hydrolysis reactions are given. By adding these reactions one can write the overall balanced net ionic equation for the reaction that occurs when ammonium carbonate dissolves in water.
Solid sodium iodide is slowly added to a solution that is 0.0050 M Pb2+ and 0.0050 M Ag+. [Ksp (PbI2) = 1.4 × 10-8; Ksp (AgI) = 8.3 × 10-17] Calculate the Ag+ concentration when PbI2 just begins to precipitate.
For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown.
why metals easily lose their electrons and nonmetals gain
calculate the mass of oxygen in mg dissolved in a 5.00 l bucket of water exposed to a pressure of 1.13 atm of air.
Based on the reaction of halide ions NaI,NaBr,NaCl with KMnO4 rank the three halide ions in order of decreasing reducing agent strength. Use to indicate greater strength and = to mean equall strength.
what is the photoelectric effect? what can you conclude about the nature electrons in an atom from this phenomenon?
Chemists studied the formation of phosgene by sealing 0.81 atm of carbon monoxide and 1.37 atm of chlorine in a reactor at a certain temperature. The pressure dropped smoothly to 1.55 atm as the system reached equilbrium. Calculate Kp (in atm-1) f..
draw four different lewis electron-dot formulas for the seo2nbspmolecule. hint one should have two single bonds two
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C5H10: 1.5, s
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