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If a platinum electrode is used to indicate the cell potential versus a standard hydrogen electrode what will the cell potential be after the addition of 35.00 mL ofCe4+solution, consider th
A student added solid K2O to a 500 ml volumetric flask resulting in the 500 mL of KOH solution which was then filled with water. 10 mL of the solution was then transferred to another volumetric fla
Calculate the flaw in the student's reasoning and conclusion, being sure to point out both determine the correct and what is incorrect. Correct the flaws to demonstrate the correct reasoning and con
Determine the Kw and pKw at 0 degrees Celsius. The concentration of H3O+ ions at the freezing point of water is 3.9X10-8 mol/L. Calculate the pH of neutral water at 0 degrees Celsi
Calculate the new gauge pressure after the 5.0 kg of helium has been released to fill balloons? A tank contains the 25.0 kg of helium gas at a gauge pressure of the 8.00 atm.
Describe the de Broglie wave length of a neutron moving at the 10% the speed of light. The mass of a neutron is 1.67 x 10^-24 grams. Explain in detail.
Determine the mass of methane that must be burned to provide the enough heat to convert 377.0 g of water at 31.0°C into steam at106.0°C. Suppose that the H2O formed in the combustion reactio
Describe the ether and alkenes that would be derived from the reaction of the carbonation derived from the 2-bromo-2-methylbutane in ethanol.
Calculate the molality of the sucrose solution after one fourth of the water content of the sap has been removed? Suppose that 30 L of maple sap yields one kilogram of the maple syrup (66.6% sucros
Calculate the molarity of H2SO4 if 17.3 mL of 0.126M NaOH was used to neutralize 25.0 mL of H2SO4. Give the work out problem in detail.
At 0 degrees Celsius and a pressure of 3.0atm a carbonated beverage is made by the saturating water with the carbon dioxide.
Identify the molecular weight of a Lucite molecule made from the 200 repeating units of one benzoyl peroxide molecule and one methyl methacrylate molecules.
What mass of the metal in g will be deposited by the electroplating of Cr(NO3)3 using 1.99 amperes for 6.55 hr when the chromium can be deposited by the electrolysis.
The electron is in the lowest energy state in a normal hydrogen atom. The maximum energy that a hydrogen atom can have is 0 cm^-1, at which point the electron is essentially removed from the atom, a
Determine the total mass of CaCO3 if 20 tones of CO2 formed is precipitated as CaCO3 by the reaction, Ca2+ + CO2 +H20 -> CaCO3 + 2H+
A metal strip which is having a mixture (alloy) of zinc and magnesium were dissolved in the HCl. The sample has a mass of .100g, and forms 63.79 ml of hydrogen at STP.
Given that the density of air is 1.2g/L and the specific heat of air is 1.00 J/g*C and that no heat escapes the room, determine what increase of room temperature should be observed?
Determine the de Broglie wavelength of a neutron moving at 10% the speed of light when the mass of a neutron is 1.67 x10-24 grams.
Write down the electron configurations for iron, calcium, gallium, sulfur and bromine by using the noble gas notation. Arrange these elements in decreasing order of their 1st Ionization energies
Suppose you are asked to prepare a buffer solution of pH 6.5 which is having the buffer capacity of 0.1 using NaH2PO4 (acid) and Na2HPO4 (salt).
When thermal equilibrium is reached all of the ice would have melted, and the temperature of the mixture will be somewhere between 20.0 ºC and 0 ºC.
Suppose your balloon contains 15 L of H2 gas and you Hydrogenate benzene using the Pt/C and hydrogen gas similar to your lab procedure. If you started with the 0.72 g of benzene, determin
Explain why is the preparation of allyl ether under the phase transfer conditions not possible starting with the allyl 2-bromonaphthalene and alcohol?