Calculate the final temperature
Calculate the final temperature (once the ice has melted) of a mixture made up initially of 75.0 ml liquid water at 29.0 degrees C and 7.0 g ice at 0.0 degrees C.
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Ethane is burned with 20% excess air in a furnace operating at a pressure of 100 kPa. Assume complete combustion occurs. Determine the dew point temperature of the flue gas.
The concentration of NaCl in solution is 0.25 M. What volume of solution contains 5.0 g NaCl.
Calculate the entropy change for vaporization of 18g of H2O? The molar enthalpy of vaporization for water is 44 kj/mol and the boiling point is 100 degrees celsius
5.97 g of CuNo3 is dissolved in water to make a 0.860 M solution. What is the volume of the solution
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
List at least four themes by which enzymes interact with substrate to lower the transition state energy.
A particular X-ray microscope can measure the position of a particle to with 1.0X10^-10 m. What is the minimum error in the momentum (mv)
The element chromium is thought to be a cancer causing agent. Chromium in the form of the chromate ion in a water soluble compound presents a risk to humans
Write the decay reaction for each of the following processes: a decay of 232U and 234Pu, 92 94, ß- decay of 45Ca and 212Pb, and 20 82.
(a) In the electrolysis of aqueous Na2C2O4, how many liters of CO2(g) (at STP) are generated by a current of 89.9 A for a period of 53.0 min? The unbalanced chemical reaction representing this electrolysis is shown below.
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