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Baseball reporters say that long fly balls that would have carried for home runs in July "die" in the cool air of October and are caught. The idea behind this observation is that a baseball carries better when the air is less dense. Dry air is a mixture of gases with an effective molar mass of 29.0g/mol(a) Compute the density of dry air on a July day when the temperature is 308.15K and the pressure is 1.00atm
(b) suppose that the humidity on the July day is 100%; thus, tha air is saturated with water vapor. Is the density of this hot, moist air less than, equal to, or greater than the density of the hot, dry air computed in part (a)? In other terms, does high humidity favor the home run?
Propose a structure for an amine of formula C4H9N, which liberates a gas when treated with NaNO2 and HCl. The 13C NMR spectrum is as follows
the solution at 100 degrees celsius, 10g of water are added, and the solution is cooled to 0 degrees celsius- the number of grams of water required to dissolve a mixture containing 15 g KNO3 and 3.5 g CuSO4 * 5 H20, assuming that the solubility of..
Ethanol (C2H5OH) has a normal boiling point of 78.3 celsium and with DeltaHvap=39.3KJ/mol. What is the vapor pressure of ethanol at 50.0 celsium
A tank containing liquid butane and one containing liquid propane are sitting adjacent to one another. Each tank is equipped with a regulator with a pressure gauge
1) Determine the pressure in a 0.34L balloon if the temperature is 35(celcius) and the balloon contains 0.0233 mol of an ideal gas
The atmic planes in a graphite crystal are separated by 335pm. At what angle wuld you find the first order(n=1) diffraction of 0.154nm X-rays from a Graphite crystal
A 2.04 g lead weight, initially at 10.0 Celcius, is submerged in 7.96g of water at 52.9 Celcius in an insulated container. What is the final temperature of both substances at thermal equilibrium
What is the minimum volume of boiling water needed to dissolve 200mg of phenacetin, which has a solubility of 0.076 in cold water and 1.22 in boiling water
A gas sample has an original volume of 580 ml when collected at 1.20 atm and 22°C. If a change is made in the gas pressure which causes the volume of the gas sample to become 1.45 liters at 40°C, what is the new pressure
volume of 20.0 mL of a 0.190 M HNO3 solution is titrated with 0.550 M KOH. Calculate the volume of KOH required to reach the equivalence point.
What volume of Cl2 gas, measured at 682 torr and 40 degrees celcius, is required to form 26 g of NaCl ?
Calculate the pH of a 25 mL distilled water sample after the addition of 1mL, 2mL, 3mL, 4mL
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