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A gas sample was collected over water at 25.3oC. The total pressure is determined to be 0.97 atm. What is the partial pressure of the gas that was collected?
Starting with 1.20 mL of an alcohol (MW 88, d = 0.8114 g/mL) and 3 mL of glacial acetic acid (MW 60, d=1.06 g/mL), calculate the theoretical yield in moles.
For a gas sample of N molecules that consists of N1 molecules of mass m1 and N2 molecules of mass m2, follow through a derivation which led to the result PV=1/3mv2 and PV = nRT.
175 g of water was heated from 15 degrees to 88 degrees C. How many kilocalories were absorbed by the water?
during exercise a person breathes in between 100 and 200 L of air er minute. if a person is exercising enough to breathe in an average of
what mass of hcl is contained in 30.0ml of a solution which is 37.2 mass hcl has a density of 1.19gml.determine what is
Calculate the corresponding wavelenghts (in nm) and energies (in kJ/mol) of these vibrations.
A 24-kg child receives 2.85x10^6 B particles, each with an energy of 4.30x10^-13 J. If the RBE=0.40, how many millirem did the child receive?
The density of the solution is 0.993 g/mL. What is the molarity and molality of acetone in this solution?
Label the anode, cathode and direction of e- flow an write the half reaction equation for each electrode
Suppose 1.00 g of water (saturated liquid) evaporates isobarically at atmospheric pressure of 1.013x10^5 Pa. Its volume in the liquid state is 1.00 cm3 and its volume in the vapour state is 1671 cm3.
The temperature of a 2.25 L sample of gas decreases from 35C to 20C. What is the new volume?
given 2h2o2 -gt 2h2o o2if 6.06 l of o2 gas is collected over water at 250c vapor pressure 23.8 torr and a barometric
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