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An apparataus has three bulbs, a,b, and c. a has h2o, co2, and n2 with a pressure of 564 mmHg, Bulbs b and c are empty. bulb a is 25 degrees celcius, b is -70 celcius and c is -190 celcius. how many moles of h2o are in the system if the stopcock between a and b was open?
Mass of an empty graduated cylinder:27.3g. mass of cylinder and 10.0 ml of liquid x: 35.2g. Calculate the experimental density of liquid x
If the body fat has density of 0.94 g/ml and 3 quarts of fat are removed, how many pounds of the fat were removed from the patient
A sample of N2 (g) effuses through a tiny hole in 19.0 s. How long would it take for a sample of N2O2 (g) to effuse under the same conditions
Chemical Syntheis :At the end of the reaction you are to add ice. Which of the following are reasons for the adding ice. The melting ice dilutes the concentrated acids. The ice cools the reaction thus slowing it down to the point where it is effectiv..
Calculate the number of carbon atoms in 4.56 grams of ethanol (CH3CH2OH).
The solubility of O2 (g) in water is 4.43mg O2/100 g H2O (20ºC and 1 atm). What is the molarity (M) of this saturated solution?
As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.89 atm and a temperature of 25.0 celcius, what is the solubility of N_2 in a diver's blood?
Calculate the van't Hoff factor (i) for this solution. 2. Calculate the vapor pressure at 25 ?C of an aqueous solution that is 5.80% NaCl by mass.
You are given the masses, in grams (g), and the volumes, in cubic centimeters (cm3), for a series of substances. Arrange them in order of increasing density(Lowest to Highest)
when 0.500 l of a 1.00 m solution of Pb( NO3) 2 is mixed with 0.500 l of a 1.00 m solution of Kl how many grams of lead(II) iodide are formed
A cell based on the reaction below has a standard potential of +0.42 V at 25°C. If all of the species are at standard conditions except [H+], at what pH will the cell have a potential of zero. H2O2(aq)+ 2 H+(aq) + 2 Cl-(aq)? Cl2(aq) + 2H2O(l)
It takes 50% of NaOH to prepare .6 Normality of NaOH. How much of 50% of NaOH to prepare 50 Liters of solution
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