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Water flows into the center of a porous material and then flows through the other side. (The center of the material is cylindrical in nature). Assuming the output rate of flow is double the input rate of flow, what has happened transit water's density?
The pH is 3.95 at the first equialence point and 9.27 at the second equivalence point. If the acid solution contained 0.2015 g of the acid, what is the molar mass, pKa1, and pKa2 of the acid
A gas occupies 14.5L at a pressure of .526 atm. What is the volume when the pressure is increased to .780 atm?
you need 100.00 ml of h2o and 5.00 ml of liquid plant food to make a solution for your plants. you forgot to bring a
What must that mean in terms of Light absorption and transmission and in terms of the energy associated with any molecular orbital transitions in indium antinomide?
You set off from the bottom of the pile in a space craft that can travel at the speed of light (3.00 x 10^8 m/s). How long, in years, will it take you to reach the top of the pile of pennies? Show all work.
An electric power station burns 5.0 ´ 105 tons [1 ton = 2000 lbs] of coal annually. Assuming that the coal is 100% carbon, calculate the volume of CO2 emitted at STP by this power plant annually. [1 lb = 453.6 g].
A 3m^3 rigid tank contains a saturated water mixture at 6.0MPa. If the saturated vapor occupies 90% of the volume, determine the quality of and the total mass (liquid + vapor) of the water in the tank.
Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
Using your knowledge of chemistry, describe at least one method that could be used to remove lead(II) acetate from a sample of wine.
The crystal structure of an element X can be described as follows: X atoms form a face-centred cubic lattice with an edge length of 356.7 pm. In addition, there are X atoms occupying every other tetrahedral site in the face-centred cubic lattice.
an empty aerosol can at 25 degree calcius still contains gas at 1.00 atmosphere pressure. if an empty can is thrown into a 475 degree calcius fire, what is the final pressure of the heated can?
Assuming that 0.5 grams of a 1.0 gram sample is CaCO3, what should the concentration of HCl (M) be if you want to use 25.0 mL for the titration
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