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Calculate the number of molecules of the compound and the number of atoms of each of the elements in 6.03 moles of P4O10.
You need to produce a buffer with pH = 4.1 by dissolving a weighed amount of sodium formate (FW = 68.0072) in 500-mL of 0.45-M formic acid
0.45 g of hydrogen chloride (HCL) is dissolved in water to make 4.5 L of solution. What is thepH of the resulting hydrochloric acid solution. 0.65 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 2.5L of solution. What is the pH..
A solution is made by dissolving 0.676 mol of nonelectrolyte solute in 885 g of benzene. Calculate the freezing point and boiling point of the solution. Constants may be found here.
CaCO3(s) CaO(s) + CO2(g) H°rxn = 175 kJ How will the amount (not concentration) of CaCO3(s) change with the following stresses? CO2(g) is removed. CaO(s) is added. The temperature is increased. The volume of the container is decreased.
a zero-order reaction has a constant rate of 3.50times10-4 . if after 40.0 seconds the concentration has dropped to
Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cell, label anode and cathode, and indicate the direction of electron flow
Determine the percent yield for this reaction as N2(g) + 3 H2(g) ? 2 NH3(g)
When the gas is not flowing, the pressure is the same everywhere in the pipe. How high above the bottom of the manometer would the mercury be in the arm connected to the pipe?
Consider the following solutes and the composition of their aqueous solutions. In which of the following is the composition of the aqueous solution of the solute given
to find Sorxn and determine if the reaction is spontaneous at 900oC.(2 pts). 2NH3(g) + 3CuO(s) %u2192 3H2O(l) + N2(g) + 3Cu(s)
why glucose had a faster reaction with an unknown sugar oxidase than fructose did based on the structure of both fructose and glucose.
Derive parameters of the critical point for the Dieterici equation of state: p(V - b) = RTe^(-a/RTV). A sample of nitrogen of mass 3.12 g at 23 C is allowed to expand reversibly and adiabatically
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