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What volume of 0.250 M NaOH (aq) is required to titrate 25.0 mL of 0.385 M H2SO4 (aq)?
In an acid-base titration experiment, a 0.2 M solution of HCl was titrated at 25°C with a 0.05 M solution o KOH. Here the equilibrium constant for the titration reaction had this value:
What is the lead ion concentration in a saturated lead(II)chloride solution made by adding solid PbCl2
Two syntheses using a grignard reagent, starting with an alkyl halide and later
Nitrogen gas may react with hydrogen gas to form hydrazine gas, N2H4, according to the reaction N2 + 2 H2 ---> N2H4. 10 L of N and 25 L H react to completion (the limiting reagent is converted entirely to hydrazine).
At 1.00 atm pressure, the solubility of pure oxygen in water is 0.00430g O(2)/100.0g H(2)O, and the solubility of pure nitrogen in water is 0.00190g N(2)/100.0g H(2)O.
Explain what volume in liters of 0.94 M KOH solution must be added to a 0.090 L solution containing 9.9 g of glutamic acid hydrochloride Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95 to get to pH 9.80
There are more electrons in the n = 4 shell than for the n = 3 in kryton. But, the peak in the radial distribution is smaller for the n = 4 shell than n = 3 shell. Define this fact?
Compare the energy of a photon of wavelength 3.4 um with that of wavelength 0.155 nm. answer is in E1/E2
A spaceship's maneuvering engine burns hydrogen and oxygen. Hydrogen is to delivered to this engine at 1.1atm pressure and 1500l required for a planned maneuver. What pressure must the holding tank be charged with if its volume is 40l? assume the ..
Determine whether each of the following causes an increase or decrease in the activity of the electron transport chain. large difference in H+ concentration across the inner mitochondrial membrane
A scuba divers tank contains 0.29kg of O2 compressed into a volume of 2.3L. Calculate the gas pressure inside the tank at 9 degrees C
what is an element with seven electrons in the outer orbit called: metal, halogen, metalloid, noble gas, none of the above
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