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A gas is confined to a cylinder under constant atmospheric pressure. When 415 J of heat is added to the gas, it expands and does 106 J of work on the surroundings. What is the value of \Delta H for this process? What is the value of \Delta E for this process?
How many calories are required to raise the temperature of 125.0g of water from 50.0 degrees c to 95.0 degrees c?
What happens to some solute during crystallization when too much solvent is evaporated and what do you do
calculate how many moles of the product form when 0.040mol of K completely reacts. Assume that there is more than enough of the other reactant. 4K(s)+O2(g)?2K2O(s)
Sketch a qualitative MO diagram for [Ni(NH3)6]2+ and identify the portion of the diagram considered by crystal-field theory. Imagine the ammonia ligands were all exchanged with a ?-donor ligand.
Identify which will be warmer if you heat equal masses of gold and iron starting at room temperature with 1 kJ of energy
Compare the temperature of your water bath at the time of reflux with the boiling point of your solvent
What is the partial pressure of water present at equilibrium, if the reaction is initiated in a 26 L container with a partial pressure of H2 equal to 14.5 atm and excess iron oxide, Fe3O4.
magnesium undergoes a single displacement raction with hydrochlic acid. how many grams of hydrogen gas will be produced from the reaction of 3.00 g of magnesium with 4.00 g of hydrochloric acid? identify the limiting and excess reactants.
a mixture containing 235 mg of helium and 325 mg of neon has a total pressure of 453 torr. what is the partial pressure of helium in the mixture?
Solid iron(III) oxide reacts with solid aluminum to produce solid iron and solid aluminum oxide. If 50.0 grams of iron(III) oxide were mixed with 50.0 grams of aluminum, what maximum mass of iron metal could be produced?
FeCl3 and Mg3(PO4) to give FePO4 and MgCl2 I need to know what are the : Molecular Equation? Ionic Eq? Net Ionic Eq? What is the name of this type of reaction. Which ions are spectator ions
Consider the following reaction. Hydroquinone is the oxidizing agent. Hydroquinone Benzoquinone 2(ag)^+ 2OH^- ---> +2(ag) + 2H2O
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