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How many moles of O2 are required for the complete reaction of 43.5 g of C2H4 to form CO2 and H2O?
How many moles of Na2SO3 were added to the calorimeter cup if 40.0mL 0.50 M NaOCl and 60.0mL 0.50 M Na2SO3 were combined?
The ideal gas law (for one mole of gas) may be used to express pressure as a function of volume and temperature, ie p=p(V,T). Use this and the expression for the above total differential of G to obtain expressions for the partial derivatives natur..
A 4.07 L sample of H2O(g) reacts at a temperature of 375°C and a pressure of 679 mm Hg. How many grams of NH3 can be produced?
How many grams of O2 are needed to react with 20.9 grams of Mg?
The air pressure in the tires of an automobile is adjusted to 37 psi in SanDiego, where the air temp is 68F. The air in the tires is at the same temp as the atmosphere
Draw a representation of the 3-D structure of the anion, including only the bonding-pair electrons, and any sulfur lone-pair electrons. What is the orientation of the oxygen atoms with respect to each other around the S-S bond?
solution is needed to just neutralize excess acid after 20 mL of 0.500 M HCL was added to 1.00 g of the antacid, how many moles of acid can the antacid counteract per gram?
What is the change in energy, Delta E, in kilojoules per mole of hydrogen atoms for an electron transition from n=8 to n=2? Express your answer in kilojoules per mole to three significant figures.
A person ate 0.919 pound of cheese (an energy intake of 7350 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to v..
What equipment will I need and what measurements do I need to make in order to find enthalpy, entropy, and gibbs free energy?
Calculate k, Calculate also how long it would take for half of A to react. assume pseudo first order with k'=k[OH-], since [OH-] is in great excess.
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
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