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What is the concentration (in mg/L ) of dissolved 02 in blood (or water) at this partial pressure and a normal body temperature of 37 C? partial pressure in lungs is 68mmhg.
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
a mixture of three gases has a total of 756 mm Hg. If the pressure of nitrogen is 612 mm Hg and the pressure oxygen if 100 mm Hg, what is the pressure of the carbon dioxide gas in the mixture?
How many grams of the compound in excess remains after complete reaction?
What is the enthalpy change for converting 1.00 mol of ice at -50.0°C to water at 70.0°C? The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K and 1.84 J/g-K respectively. Fo
If a diamond is made out of pure carbon and has a density of 3.52 g/cm3, how large would a mole of carbon atoms (in diamond form) be in cm3? Compare this volume to the amount of volume that 1 mole
The pressure inside a particular 5.00 L bottle of gas must be 1 atm or less in order to open the bottle cap. To what temperature, in oC, must a bottle of gas be cooled so that the bottle cap can be re
Determine the theoretical yield if a 125.0g sample of zinc was used. Determine the percent yield if 515.6 g product is recovered.
A 33.00 sample of an unknown solution is titrated with a 0.110 solution. The equivalence point is reached when 28.38 of solution is added. What is the concentration of the unknown H3PO4 solution?
How many moles of permanganic acid could be produced if 0.9240 moles of manganese(II) oxide, 2.280 moles of lead(IV) oxide, and 2.009 moles of nitric acid are combined and react to completion?
A beam of 632.8 nm photons from a He-Ne laser strikes a detector area of 5.0 mm2. The laser has a flux of 3.18 x 1015 photons s-1. (a) What is the laser radiant power in watts?
The heat capacity of a bomb calorimeter is found to be 5.68 kJ/oC. When a 1.652 g sample of glucose is burned in the calorimeter, the temperature of the calorimeter increases from 24.56 oC to 29.10 oC
acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic acid is .200 M and the equilibrium concentration of h3o+ is .0019 M, calculate K
Identify appropriate bond angles of each. Identify orbital hybridization, electron domain geometry, and molecular geometry of each
An extended source emits 2.00 W cm-2 sr-1 nm-1 at 300 nm. Calculate the spectral radiant power impingent on a 1.00 cm2 receptor that5 is 2.00 M away in W nm-1 and photons s-1 nm-1 if a 1.00 mm diam
A 36 gram sample of copper at 99.8 C is dropped into a beaker containing 207 grams of water at 18.5 C. what is the final temperature when thermal equilibrium is reached.
A nitric acid solution containing 71.0% HN)3 (by mass) has a density of 1.42 g/mL. How many moles of HNO3 are present in 1.00L of this solution?
An ordinary 3.0 V flashlight bulb draws roughly 0.25 A of current and converts about 1.0% of the electrical power into light (λ = 550 nm). If the flashlight beam initially has a cross-sectio
You need 4.5L of nitric acid solution with ph 6. you have unlimited amounts of nitric acid solution with a hydronuim ion concentration of 0.01M. Describe how you would form the required solution from
If 277 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?
170 mL of an HCl solution with pH of 2.30 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
A KNO3 solution is made using 96.4g of KNO3 and diluting to a total solution volume of 1.20L. what is the molarity of the solution.
A balloon is filled to a volume of 7.00X10^2 mL at a temperature of 20.0 degrees C. The balloon is then cooled at constant pressure to a temperature of 1.00X 10^2 K. What is the final volume of the
What is the C2O42- concentration in a solution that is 0.10 M in oxalic acid and 1.0 M in HCl? (Consider that the oxalic acid concentration at equilibrium for this common ion problem is 0.10 M.)
Compute the atomic packing factor for the diamond cubic crystal structure (shown in the figure below). Assume that bonding atoms touch one another, that the angle between adjacent bonds is 109.5o,