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If a precision of 0.1% is required for the concentration of a solution that is 0.2M, how many significant figures must be reported?
A gas in a sealed container has a pressure of 125 kPa at a tempurature of 30.0 degrees celcius. If the pressure in the container is increased to 201 k Pa, what is the new tempurature?
What mass of carbon dioxide is present in 1.00 m3 of dry air at a temperature of 25c and a pressure of 731 torr
A volume of water was delivered using a buret and experimentally determined to have a mass of 2.00-g. What was the final volume of water on the buret if the inital was 0.44-mL? [assume the density of water is 1.00g/mL]
Calculate the amount of n2 gas released(in liters) when the diver returns to the surface of the water where the partial pressure of N2 is 0.80 atm
determine both the position and velocity (momentum) of an atom or subatomic particle such as an electron and thus negate the uncertainty principle? Fully explain your answer.
calculations to determine the amount of ascorbic acid? Does the volume of ascorbic acid solution added before titration influence how much iodine solution will be needed?
assume 2 flasks each with one litre of a saturated solution of glucosec6h12o6. one solution has one gram of
What is the electron configuration for Cr3+. Also, I need explanation as to how the d orbital works. Why does it go from 4s2 to 3d
a monoprotic acid that dissociates in aqueous solution. If a solution containing 0.50 M lactic acid is 1.66 percent dissociated to ionic form, calculate the value of Ka for lactic acid.
a sample of sodium reacts completely with 0.213 of chlorine forming 351 of sodium chloride. what mass of sodium
A 2.0 kettle contains 116 grams of boiler scale (CaCO3). How many times would the kettle have to completely be filled with distilled water to remove all deposits at 25 degree celcius
Methanol (CH3OH) reacts with oxygen to produce carbon dioxide and water. How many grams of oxygen will be required to react completely with 200 grams of CH3OH? What mass of water will be produced during the reaction?
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