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According to the following chemical reaction, what happens when excess sulfuric acid is added? 2CrO42- (aq, yekllow) + 2H3O (aq) <----> Cr2O72- (aq, orange0 + 3H2O (l)
Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the following equation: CH4(g)+H2O(g)?CO(g)+3H2(g) In a particular reaction, 26.0L of methane gas (measured at a pressure of 734torr and a temp..
Show that you can selectively precipitate ONLY AgBr at a concentration of Ag of 5.5x10^-10 M in a solution that contains both Br- and CI- at a concentration of 0.02M.
show the photoelectron spectrum of N2.Assign short and long progression band.. which one is adiabatic band. give your explanation on basis of FCP. No google copy- paste thing please.
he following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 0 D
Based on standard reduction potentials, would you expect copper metal to oxidize under standard conditions in the presence of oxygen and hydrogen ions
What mass of solid sodium formate (of MW 68.01) must be added to 110 mL of 0.55 mol/L formic acid (HCOOH) to make a bu?er solution having a pH of 3.84? Ka = 0.00018 for HCOOH
If barium needs a minimum frequency of 6.07x10^14 s-1 to eject electrons, calculate the kinetic energy of the electron emitted when barium is illuminated with a wavelength of 385 nm
the diffusion coefficient for nitrogen in the metal at 1150 C is 1x10^-11 m^2/s and the end is 3.5 kg/m^3, what is the nitrogen concentration at a position 2mm into the sheet away from higher concentration end?
Write balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment. There are eight of them. (Note that four reactions are descibed in the recovery
A 12V automotive lead-acid battery. Each anode/cathode pair in this schematic cutaway produces a voltage of about 2V. Six pairs of electrodes are connected in series, producing12V.
Rhodium has a density of 12.45 g/cm3. This metal crystallizes in a face-centered cubic unit cell. Calculate the diameter of a rhodium atom?
Some of the formulas below could be either molecular or empirical formulas; however, some could only be molecular formulas. Which of the following formulas must be molecular formulas
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