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Write the half reactions and the overall cell reaction for each of the following voltaic cells: a)Al(s)/Al^3+(aq)//Cd^2+(aq)/Cd(s) b)Sn(s)/Sn^2+(aq)//Fe^3+(aq),Fe^2+(aq)/C (graphite)
holds .35 L at 4.5 atm pressure. What is the volume when the gas is released into 1.0 atm pressure
How many L of H2 gas (at STP) is produced from 470 mL of 0.36 M HCl and excess Zn? The reaction is: Zn + 2HCl = ZnCl2 + H2
Calculate the solubility (in mol/L) of silver chloride in 2.0 M NH3 solution. How many grams of AgCl will dissolve in 500. mL of 2.0 M NH3?
Calculate the equilibrium constant KP if the total pressure is 2.6 atm at that temperature.
The freezing point of pure benzene is 5.48 degrees Celcius, and Kf for benzene is 5.12 degrees C/m. Calculate the molar mass of the unknown compound.
A student attempted to identify an unknown compound by the method used in this experiment. she found that when she heated a sample weighing 0.4826 g, the mass barely changed
what is the maximum mass of an object traveling at 241 m·s-1 for which the de Broglie wavelength is observable?
use standard reduction potentials to find the equilibrium constant for the following reaction at 25 degrees C.
What is the molarity of a NaOH solution if 28.2 mL of a 0.112 M H2SO4 solution is required to neutralize a 25.0-mL sample of the NaOH solution?
What is the molarity of the HCl solution if 310mL of the HCl solution reacts with magnesium to produce 5.40L of H2 gas measured at STP
The mass spectrum of a compound that contains two bromine atoms gives isotope peaks with relative intensities of 1:2:1 for the M, M+2 and M+4 peaks, respectively. Explain why.
A chemist wants to make 6.5L of a 0.310M CaCl2 solution.What mass of CaCl2 (in g) should the chemist use?
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