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What is the percent yield for a process in which 13.8 g of carbon dioxide is formed when 18.7 g of oxygen reacts with C6H14? 2C6H14 + 19O2 --> 12CO2 + 14H2O
determine the pressure exerted by 1.80 mol of gas in a 2.92-L container at 32.0 degrees celsius.
Standard solutions of calcium ion are suually prepared by weighing an apporpriate amount of primary standard grade calcium carbonate, dissolving it in concentrated HCl, and diluting to the appropriate volume.
Consider the following. You identify a line with a wavelength of 503 nm. Describe how you would go about determining which of the lines in table 1 of the experiment guide that it corresponds to.
the compound kb5o8middotx h2o was analyzed and found to contain 24.6 of water. if the formula weight of this compound
How many mL of 0.450 M NaOH are needed to titrate 25.0 mL solution of 0.250 M FeCl3 solution? FeCl3 aq + 3NaOH arrow to Fe(OH)3 aq +3NaCl aq
Define ionization energy. Describe how ionization energy impacts ionic bonding. The electron configuration of an element is shown below.
Calculate the amount of work done, in joules, when 2.5 mole of H2O vaporizes at 1.0 atm and 25°C. Assume the volume of liquid H2O is negligible compared to that of vapor. [1 L·atm = 101.3 J]
After doing some analysis, the probe determines that the gas pocket contains an element that has an ionization energy of I= 1350 Kj/mol
Nickel and aluminum electrodes are used to build a galvanic cell. The standard reduction potential for the nickel(II) ion is -0.26V and that of the aluminum(III) ion is -1.66V.
How many moles of H2SO4 are required to completely react with 9.0mol of Al
Given a concentration of 100 ppm in water, calculate the predicted equilibrium concentration concentration in air for methyl tertiary-butyl ether (MTBE)
A student wishes to establish experimentally the number of fungal particles in a fixed volume of air. He uses a liquid medium suitable for the growth of most fungi and exposes the liquid to air in a rectangular container of dimensions 15 cm × 15 c..
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