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A swimming pool is 26.15 yards long and 40.04 feet wide. The pool is filled with water from a hose that has a flow rate of 2.852 gallons/second. How many minutes will it it take to fill the pool to a depth of 4.771 feet?
The concentration of Al and Na in a sample of riverwater are 0.050 mg/kg and 5.2 mg/kg respectively. Express concentrations in molality of both Al and Na
Assume that 500g of dry ice is placed in a cavity with a volume of 0.800 L and the ignited gunpowder heats the CO2 to 700 K. What is the final pressure in the hole?
Calculate the expectation values of x and x^2 for a particle in the state n=2 in a square-well potential?
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
Calculate the percent by mass of calcium carbonate in the rock, assuming that it is the only substance reacting with the HCl solution.
Use Le Chatelier's Principle and the weak acid dissociation equilibrium to explain how the addition of NaOH will completely neutralize an unknown weak acid at the equivalence point in a titration. Consider that hydroxide ion reacts directly with H..
All ammonium compounds, that comprise the ammonium ion (NH4+) and negative ion, are thermally unstable. Explain two ways that ammonium compounds decompose when they are heated.
Draw the chemical structure of a molecule of your design that meets all of the following requirements while also being chemically 'reasonable' ('reasonable' based on a general chemistry, Chem 110/112 knowledge of chemical structure and bonding).
The activation energy of the orginal pathway is 106 KJ/mol. What is the activation energy of the new pathway, all other factors being equal?
For a 5.0 gram sample of each of the following, what weight of water will be lost if the sample is heated to constant weight: CoCl?*9H?O; CuSO?*5H?O; ZnSO?*4H?O; BaCl?*2H?O.
What is the concentration of HCl in a 10,000 gallon tank if 1 gallon of 40% HCl is added? The formula weight of HCl is 36.45 g/mol.
Add 1mg of alcohol dehydrogenase. Assuming all of the ethanol is converted to acetaldehyde, what will the final concentration of NADH be in the solution
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