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Question - The galvanic cell described by the cell notation has a standard emf (electromotive force) of 0.63 V. Calculate the value (J) for the maximum electrical work that the cell can do under standard conditions. Round your answer to 3 significant figures.
Zn(s) l Zn2+(aq) ll Pb2+(aq) l Pb(s)
Express your knowledge to solve the above question
A sample of an ideal gas at 1.00 atm and a volume of 1.38 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume.
what is the maximum wavelength of light that can be used to observe the photoelectric effect? answer in nm.
Suppose 25.0 g of solid NaOH is added to 1.5 L of an aqueous solution that is already 2.4 M in NaOH. Then water is added until the final volume is 4.00 L. Determine the concentration of the NaOH in the resulting solution.
a. If a mint leaf is 12% methanol how much should be distilled? b. What temperature should the distillation take place-approximately?
Problem- An FM radio station has a frequency of 88.9 MHz (1MHz = 10*6 Hz). Determine the wavelength (in nm).
a small amount do aqueous ammonia is added to a Cd^2+ solution and a precipitate forms. Write the equation for this reaction.
Explain what is the volume that is occupied by an object having a density of 1.78 g/cm3 and a mass of 1.25 kg
Assume that a particular reaction evolves 231 of heat and that 20 of work is gained by the system. What are the values of delta E and delta H for both the system and the surroundings?
what collor do these emmisions produce. b) what si the energy in KJ of these emisions for 5.00 g each of the cloride salts of Sr and Ba
calculate the gasphase proton affinity of NH3. The lattice energy of NH4Cl may be estimated from Kapustinskii's formula using rN-Cl = 3.50 Å.
A sample of neon gas used in a neon sign occupies a volume of 1.50 L at a pressure of 630 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 793 torr.
Calculate the expectation value for the kinetic energy of the H atom with the electron in 2s orbital. Compare your result with total energy
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