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If the surface tension of a soap solution is 0.520 N/m, what is the difference in pressure across the film for a) a soap bubble 2 mm in diameter? b) 2 cm in diameter? What would you expect to happen to the sizes of these bubbles if they were connected with a tube without bursting either bubble?
Assume that a particular reaction evolves 235kJ of heat and that 24 kJ of PV work is gained by the system What is the delta H inside and the surroundings and delta E inside and out?
solid carbon dioxide sublimes at a rate of 0.726 g/minute. How many gaseous carbon dioxide molecules are present after 5.00 minutes
In this experiment we used ortho-vanillin and p-toluidine to form the imine. Why does the reaction mixture turn into a liquid when the ortho-vanillin and p-toluidine are initially mixed? What is the name or melting point of the product?
If 157 of wet is collected over water at 24 and a barometric pressure of 739 , how many grams of have been consumed? (The vapor pressure of water is 22.38 .)
If a saturated solution of NH4NO3 at 70 °C is cooled to 10 °C, how many grams of solute will separate if the quantity of the solvent is 94.0 g?
Calculate OH- of each aqueous solution using the following H3o+ A baking soda 1.0 X 10-8M B orange juice 2.0 X 10-4
How many grams of aluminum must be used to produce 5.00 grams of hydrogen gas?
Boyle's apprentice observes that the air trapped in air tube occupies 24.8 cm3 at 1.12 atm.by adding mercury to the tube increases the pressure on the trapped air to 2.64atm. assuming constant temperature, determine the new volume of air?
what is the enthalpy change when 40.1 mL of 0.400 M sulfuric acid reacts with 19.5 mL of 0.133 M potassium hydroxide? H2SO4(aq)+2KOH(aq)->K2SO4(aq)+2H2O(L)
how many moles of co(nh2)2 are present in 150 g of water, if the freezing point of the solution is -4.02 degrees c?
Determine the volume of 6.44*10^-2 M adenosine triphosphate (ATP) that is having 1.68 mol of adenosine triphosphate express your answers in (mL)?
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa?
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