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A jewerly manufacturer is going to silver plate copper necklacesusing a solution of Ag(CN)2- ions. If eachnecklace has a volume of 2.10 × 10-3cm3, how many necklaces can be silver plated in 12.0 minutes using a current of 164.0 milliamps.The density of metallic silver is 10.5 g/cm3Enter a numerical answer only.Enter a decimal value to also include the fraction of a braceletthat is plated.
A real gas behaves more like an ideal gas at high pressures and low temperatures. 4. The individual gas particles are not attracted to one another.
for a certain change the value of U is -2.37 kJ. During the change, the system absorbs 650 joules. how much work did the system do.
which of the following reactions are redox reactions? for those reactions that are redox reactions identify the
Calculate the approximate molecular mass of an unknown protein which had an elution volume of 9.0mL on the column.
A mixture of NaCl and sucrose of combined mass 10.2g is dissolved in enough water to make 250 mL of solution. The osmotic pressure of the solution is 7.32atm at 23 C. Calculate the mass percent of sodium chloride.
A certain second-order reaction (B--->products) has a rate constant of 2.00×10^-3 M^-1 s^-1 at 27 Celsius and an initial half-life of 214 s. What is the concentration of the reactant after one half-life
If the concentration of X is increased to 2.0 M and the concentration of Z to 3.0 M, how long should this reaction take?
What is the maximum number of electrons that could be ejected from this metal by a burst of light (at some other frequency) with a total energy of 1.06× 10-7 J?
a solution is made by dissolving 1.00 moles of sodium chloride nacl in 155 grams of water. if the molal boiling point
A certain rifle bullet has a mass of 9.81 g. Calculate the de Broglie wavelength of the bullet traveling at 1433 miles per hour.
Hypochlorous acid, HOCl, is a weak monoprotic acid. Using the information for this acid in Appendix F, calculate the pH (round to one decimal) and the percent ionization
Write the balanced net ionic equation for the following reaction in basic solution. Be sure to show phase labels in your final answer
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