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Ethanol can be prepared from the fermentation of crops and has been used as a fuel additive to gasoline. Explain what is the balanced equation?
Ammonia is made industrially by reacting nitrogen and hydrogen under pressure, at high temperature, and in the presence of a catalyst. The equation is N2(g)+3H2(g)---->2NH3(g). If 4.0mol of H2 react, how many moles of NH3 will be produced.
Chlorine dioxide gas is used as a commercial bleaching agent. One method of preparing ClO2 is the reactiong of chlorine gas with sodium chlorite as:
One mole of CaCO3(s) is placed in an evacuated cylinder that is fitted with a frictionless piston. It is heated to 800 degrees C at which point it decomposes to CaO(s) and CO2(g). Calculate the work done assuming complete decomposition at 1.00 bar..
Methane and oxygen react to form carbon dioxide and water. What mass of water is formed if 3.2 g of methane reacts with 12.8 g of oxygen to produce 8.8 g of carbon dioxide
Consider the dissociation reaction given above taking place in a reaction vessel. This dissociation reaction starts with n0 moles of A2. At equilibrium we have nA moles of the product A. The pressure at equilibrium is P and the temperature is T.
What is the pH of a solution that is 0.75M in sodium acetate and 0.50M in acetic acid. (Ka for acetic acid is 1.85x10^-5)
Make the compounds listed from an alkyl halide having four carbons or less, with no functional groups but it can be branched, or cyclohexane, cyclopentane, or ehylene oxide.
If the crucible Cover falls and breaks during the heating of Magnesium, do you have to start the experiment over again?
calculate the total amount of heat energy that must be removed to convert 34.0g of steam to water at 25 Celsius
An unknown radioactive substance has a half-life of 3.20 hours. If 46.0 g of the substance is currently present, what mass was present 8.00 hours ago
When the surroundings absorbs heat, is the heat change of the system (qsystem) positive or negative
After a dose, the concentration of medication in the blood declines due to metabolic processes. The half-life of a medication is the time required after an initial dosage for the concentration to be reduced by one-half. A common model for this pro..
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