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How do you know if a molecule has resonance structures or does not have any structures like ethanol?
Calculate the pH in the cathode compartment if the cell emf = 0.67 V when PNO = 1.00 atm, [Sn4+] = 0.10 M, [NO3-] = 0.010 M, and [Sn2+] = 0.020 M
In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed.
Gas x effuses 0.629 times as far as oxygen under the same conditions. what is the molar mass of gas x.
The standard reduction potential for a substance indicates how readily that substance gains electrons relative to other substances at standard conditions. Consider the following: Ni2+(aq)+2e- -> Ni(s), E red = -0.23 V Cu2+(aq)+2e- -> Cu(s), E red ..
Which substance would be in top layer when each of the following pairs of solvents are added to the same container
Why is glycogen debranching enzyme necessary? a) It allows regulation of the rate of glycogenolysis. b) Because glycogen phosphorylase cannot convert G1P to G6P
A 530. g piece of copper tubing is heated to 89.5°C and placed in an insulated vessel containing 159 g of water at 22.8°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K
calculate the temperature of the solution after the CaCl2 dissolves. (Assume no heat is lost to the container or the surroundings and the specific heat of the solution is the same as that of water.)
Suppose the pH of the water is 4.59 and that the concentration of iron(II) in the water is 7.99x 10-5 M, what is the potential of the corrosion reaction under the above conditions at 298 K?
how many heat energy is required to heat a cup of water (195.0) from room temperature (25.0C) to boiling (100.0C).
As is often said, quantum mechanice yields classical mechanics when h approaches 0. What result is obtained classically for p(v,T) when h approaches 0? Why is this relation unsatisfactory
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide?
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