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A 52.2 mg portion of tri-protonated arginine is disolved in 995.5ml of distilled ,deionized water. then 4.5mls of 0.15N NaOH is added . what is the pH of the resulting 1 litter solution?
A gas of twice the molecular weight as CO2 will pass through a small hole how much faster than CO2
how many moles of sodium hypobromite nabro should be added to 1.00l of 0.050m hypobromous acid hbro to form a buffer
Liquid tetraethyllead reacts according to the balanced equation. When 419 g of CO2 is produced, calculate the sign and magnitude (kJ) of the heat produced.
Calculate the mass of urea that should be dissolved in 225 g of water at 35°C to produce a solution with a vapor pressure of 37.1 mmHg.
Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low, or unaffected.
A liquid substance has a vapor pressure of 450.0 mmHg at 262.0 degrees celsius and 760.0 mmHg at 325.0 celsius. a) what is the heat of vaporization of this substance? b) what is its normal boiling point?
A 50.0-mL sample of 0.300M propionic acid, HC3H5O2 (a weak acid), was titrated with 0.150 M NaOH. Ka for propionic acid is 1.3 x 10-5.
We irridate an unknown atomic system, in the gas phase, with monochromatic UV radiation of wavelength 0.605x10^-7m and observe a sharp absorption line. All other absorption lines have higher wavelength.
how many grams of ethylene glycol automobile antifreeze rm c2h6o2 dissolved in 3.30 rm kg of water is needed to lower
methyl alcohol (CH3OH) is made by reacting carbon dioxide with H2. Starting with 2.5g of H2 and 30.0 L of Co, what mass of methyl alcohol could be produced at STP.
determin the rate for the reaction. (B) how long would it take for 25% of the reactant to decompose?
You have 25 ml of an ATP solution. You take 30 µl and dilute to a final volume of 10 ml. The OD of this solution is 0.432. What is the concentration of the undiluted ATP solution
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