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Find the amount ofNO2 that must be added to 2.3mol ofSO2 in order to form 1.3mol ofSO3 at equilibrium.The equilibrium constant for the reactionSO2(g)+NO2(g)?SO3(g)+NO(g) is 3.1.
Explain briefly how you could prepare the buffer solution in (a) if you had available the solid salt of the only one member of the conjugate pair and solution of a strong acid and a strong base.
ben franklin dropped the oil on the surface of a lake and found that 2 ml of oil gave a circle of radius 30 m.
The water is analyzed and found to be 735 ppm in phosphate ion. What is the % phosphate ion in the dry detergent? What is the % phosphorus in the dry detergent? How many grams of phosphate are in the 300. g sample?
a sample of cacl2 of 11.8 grams is dissolved in water of 121 grams with both substances at the normal room
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the tempreture and pressure were 20.0 degrees C and 758 mmHg, respectively.
A sample of gas occupies 1.55L at STP. Remember, pressure at STP is 1.0 atm. What will the volume be if the pressure is increased to 50 atm while the temperature remains constant
An unknown volume of water at 18.2 degrees Celsius is added to 21.6 mL of water at 35.0 degrees Celsius. If the final temperature is 23.5 degrees Celsius, what was the unknown volume. Assume that non heat is lost to the surroundings; d of water is..
if 69.5 kj of heat is applied to a 1040. g block of metal the temperature of the metal increases by 11.4degc. calculate
Calculate the formate ion concentration and pH of a solution thatis 0.050M in formic acid (HCHO2; Ka=1.8*10^-4) and 0.10M inHNO3
If your chemistry book weighs 2 kgs, and you needed to lift the book from the floor to a shelf 150 cm high, calculate the energy in J required to lift the book from the floor to the shelf 100 times.
chloroform, CHCl3 has a ΔHvap = 29.4 kL/mol. what is it's vapor pressure at 25 degrees celsius
Estimate the mass of carbon needed to deposit a single-atom-thin layer of graphene onto a silicon wafer that is 76.0 mm in diameter
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