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Aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 35.8 mL of hydrogen gas over water at 27 degrees C and 751mmHg. How many grams of aluminum reacted.
The specific rotation, [?]D, for sucrose is +67. What is the observed rotation for a solution of 0.20 g of sucrose in 10 mL of water in a sample tube having a pathlength of 10 cm
Determine the normal boiling point of a substance whose vapor pressure is 55.1 mm Hg at 35°C and has a Hvap of 32 .1 kJ/mol.
The rate constant for the decomposition of CH3CHO is 0.0105 dm^3/mol* at 700 K. If the activation energy for this reaction is 188kJ, find the rate constant at 800 K.
A sample contains a mixture of two dyes, A and B. The molar absorptivity coefficients for dye A are 4,875 M-1cm-1 at 628nm and 2,518 M^-1cm^-1 at 684 and for dye B are 1,578M^-1cm^-1 at 628nm and 11,543M^-1cm^-1 at 684nm. In an unknown mixture of ..
Consider 2 Al + 6 HCl → 2 AlCl3 + 3 H2 , the reaction of Al with HCl to produce hydrogen gas. This reaction has a yield of 82.5 percent. How much HCl are needed to produce 14.0 L of H2 at 351 K and 1.11 atm
radio wave radiation falls in the wavelength region of 10.0 to 1.00e3 meters. what is the frequency of radio wave
Classify the following elements as main group elements, transition metals, or inner transition metals: Fe, Ba, U, Pb, Pd, S
what is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g
65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH at the equivalence point? (Ka for HF is 6.8 x 10-4)
please discuss all six questions listed below as they relate to the financial statements of any u.s. public company of
In many cases, patients require medication to be infused on a continual base. Paramedics will receive orders to administer a certain number of units (usually milligrams or micrograms) of a medication per minute to a patient through an IV. Known as..
A 303- sample of unknown solution reacts completely with to form 14.1 . What was the concentration of the solution?
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