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Solid iron reacts with liquid water to produce solid iron (III) oxide and hydrogen gas. Balance the redox reaction. Explain what the oxidizing agent in the redox reaction is as well as what is the total number of electrons transferred in the reaction?
Predict whether the entropy of the following reactions will be increasing or decreasing. a. Solid sugar is added to water to form a solution. b. Iodine vapor condenses on a cold surface to form crystals.
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretical yield(in grams) of manganese from the reaction of 270 grams..
Calculate the pH of the solution which results from adding 38.54 mL of 0.1012 M KOH to the cyanic acid/cyanate buffer of the previous problem(*). You must show appropriate chemical equations for full credit.
of 3M sodium acetate and water would you use to make 10ml of a 0.25M solution of sodium acetate? Show the calculations.
The bitter-tasting compound quinine is a component of tonic water and is used as a protection against malaria. It contains only C, H, N and O. When a sample of mass 0.487 g was burned, 1.321 g of carbon dioxide
Assume the net ionic equation for the reaction 61.5mL of 0.11 M sodium hydroxide were required to completely neutralize 23.7mL of sulfuric acid.
What effect does adding an enzyme to a reaction have on this? On delta G? What are the roles of delta G in biochemical reactions (list two)?
The Vapor pressure of pure water at 25 Celcius is 23.8 torr. What is the vapor pressure (torr) of water above a solution prepared by disolving 18.0 g of glucose (a nonelectrolyte, MW = 180.og/mol) in 95.0g of water
tinii fluoride is often added to toothpaste as an ingredient to prevent tooth decay. what mass of fluoride in grams is
In the context of small molecules arrange these intermolecular forces by strength:hydrogen bonding, london dispersion forces, and dipole-dipole interactions
How many grams of of ethylene glycol are needed per kilogram of water to protect the radiator fluid against freezing down to -10C
If 34.29 mL of an EDTA solution is required to react with 0.1879 G of MgCl2, what is the molarity of EDTA.
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