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The respective standard reduction potential in volts for Ni2+ and Ag+ are -0.28 and +0.80. The oxidizing agent in a cell based on nickel and silver is a) Ni b) Ni2+ c) Ag+ d) Ag e) the salt bridge
when an irregularly shaped chunk of silicon weighing 8.763 g was placed in a graduated cylinder containing 25.00 mL of water, the water level in the cylinder rose to 28.76 mL. What is the density of silicon in g/cm3?
Would the following structures be polar or nonpolar?
Write the molecular, ionic, and net ionic equations for the combination of KNO3(aq) and BaCl2(aq)
What is the single-particle collisional frequency (for diatomic Nitrogen)at sea level, with 341 and 1.0 atm? The corresponding single-particle collisional frequency is reported as 10^10 s^-1.
100.0 g of nickel at 150 °C was placed in 1.00 L of water at 25.0 °C. The final temperature of the nickel-water mixture was 26.3 °C.
Vitamin B12, also known as cobalamin, has the molecular formula C63H88N14PO14Co. What mass of CO2 and H20 would be produced during the combustion analysis
The reactant concentration in a second-order reaction was 0.410 M after 190s and 1.60×10^?2 M after 820s . What is the rate constant for this reaction
what weigh tof CaCO3 is required to completely react 135 ml of a 0.665M solution. Must show set up.
The heat capacity of the solid lead oxide is given by:Cp = 44.35 J/K/mol + 1.47*10^-3 T J/K^2 Calculate the change in enthalpy of 3.25 mol of PbO(s) if it is cooled from 750 K to 300 K at constant pressure
The amount of H2O2 in 15.8g of hair bleach was determined by titration with a standard potassium permagnate soln. MnO4-(aq)+H2O2(aq)--Mn2+(aq)+O2
How many hydrogens are in C16H?, which has 3 ring(s) and 8 double bond(s)? How many hydrogens are in C8H?O2, which has 2 ring(s) and 1 double bond(s)
Calculate the molality and molarity of an NH3 solution made up of 37.0 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
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