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Calculate the concentration in molarity of argon in a fish tank at 25 degrees Celcius, if the pressure is 1.15atm and the mole fraction of argon in the atmosphere is 0.093. The KH for Ar at 25 degrees Celcius is 1.5*10^-3M/atm.
This acidity has affected many lakes in northern Europe, the northern United States, and Canada, reducing fish populations and affecting other parts of the ecological network within the lakes and surrounding forests
Consider a galvanic cell consisting of a magnesium electrode in contact with 1.0 M Mg(NO3)2 and a cadmium electrode in contact with 1.0 M Cd(NO3)2. Calculate Eo for the cell and draw a diagram showing the cathode, anode
Verify the first equality in R (beta(delta e)^2e^Beta(delta e)/[e^Beta(delta e)-1]^2 using the chain rule, and then verify the second equality in the same bolded equation by evaluating the derivative with respect to Beta
The concentrations of ozone in Los Angeles has been measured at 441 ppb. Los Angeles sits at an altitude of 7400 ft where the atmospheric pressure is only 0.67 atm. Calculate the partial pressure (in atm) of ozone at 441 ppb if the atmospheric pre..
silver nitrate reacts with sodium chloride to form solid silver chloride and sodium nitrate. how many grams of sodium
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.500 M solution of ammonia, NH3 , to prepare a buffer solution that has a pH of 8.76? Kb for ammonia is 1.8*10 ^-5.
In its vibration-rotation spectrum what is the meaning of the P, Q, R branches. What is the J value of the lower rotational state in the R branch that gives the line of maximum intensity.
Calculate the pH of a solution resulting from the titration of 50mL of 0.078M HCl with 25 mL of 0.083M NaOH. Give your answer to two decimal places.
What is the balanced cell reaction for the following echem cell set-up. Pt(s) / PbO2(s) / Pb(NO3)2, HNO3 // Cr(NO3)3 / Cr(s)
the label of an aerosol spray can contains a warning that the can should not be heated to over 130 degrees f because of
assuming that a cube has a volume of3.7x10-19cm3 calculate the length of each edge of the cube. enter a number with the
When two gases are mixed, they follow Dalton's law of partial pressures. -It is impossible to compress a gas enough so that it takes up no volume. -CO2 gas becomes dry ice (solid CO2) at 1 atm and -78.5 °C.
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