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Predict the average rise in sea level due to thermal expansion based on temp changes of 1,2, and 3.5 degrees C given that the volume of the Earth's Oceans is 1.37X10^9 km^3 and the surface area is 361X10^6 km^2, and state the approximations that go into the estimates.
A rigid tank contains 1.50 moles of an ideal gas. Determine the number of moles of gas that nust be withdrawn from the tank to lower the pressure of gas from 25atm to 35 atm.
If 0.10g of benzene (C6H6) is ignited in a 0.3 L vesses at 298K and surrounded by 25atm of oxygen: a) write the net reaction; b) how many moles of O2 were consumed? c) how many moles of product were produced d) what is the change in moles of the r..
The normal boiling point of methanol is 64.7 degrees C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 450.7 torr at 64.7 degrees C.
what is the chemical formula of a gas if it has a pressure of 680 torr and a density of 1.60 g/L at 27 degrees C.
In the purification process, the organic layer is washed sequentially with 2 M NaOH, water, and saturated aqueous sodium chloride. What is the purpose of each of these washes and why is cold 2 M NaOH recommended?
Oxygen and sulfur combine to form a variety of different sulfur oxides. some are stable molecules and some, including S2O2 and S2O3
A solution is prepared by dissolving 0.11 mol of acetic acid and 0.11 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
The student uses poor lab practice by writing down the mass of his unknown sample on a piece of paper towel and then copies down the value incorrectly onto his data page. The actual mass of the sample was 0.2145g. He mistakenly wrote down 0.1245g,..
1.664 g of a solid white acid are dissolved in water and completely neutralized by the addition of 45.37 mL of 0.580 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
an unknown compound contains only carbon hydrogen and oxygen . combustion of 5.50 of this compound produced 8.07 of
Determine KM for glucose oxidase. KM = M. B. Determine effect on the maximal rate if the concentration of adenine is 0.001 M. Vmax,I = mmol/min.
calculate the mass of urea that should be dissolved in 201 g of water at 35degc to produce a solution with a vapor
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