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In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell. How many liters of 3.53 M sucrose contain 111 g of solute
What is the structure of the so-called Garner Aldehyde? Why is this compound a popular building block in the synthesis of more complex structures
Considering the electron configuration of aluminum, 1s2s^22p^63s^23p^1, which of the following represents the valence electrons only:
Lime, CaO, is produced by reaction CaCO3(s) CaO(s) + CO2(g). What weight of CaO is obtained by the decomposition of 38.7g of CaCO3.
Calculate the ratio of CH 3 NH 2 to CH 3 NH 3 Cl required to create a buffer with pH = 10.14. Express your answer using two significant figures.
Why does the nitrogen atom of NH2 (and not the nitrogen atom of the NH) group of phenyl hydrazine act as the nucleophilic site in the format ion of the phenylhydrazones.
How much heat is required to convert 25.0g ethanol at 25C to the vapor phase at 78C? How much to convert 5.00 L?
How much heat (in kJ}) is evolved in converting 1.00 mol} of steam at 160.0C to ice at -55.0C? The heat capacity of steam is 2.01 {J/gC}} and of ice is 2.09 J/gC}.
magnesium ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C. Standard reduction potentials
What is the initial Concentration of NaCN required to produce 2.4x10^-4 M hydroxide at eqilibrium? The Kb for CN- is 2.0x10^-5
In an actual experiment, 100 g each of copper and nitric acid are used and 70g of copper(II) nitrate is obtained. In this experiment, what is a) the limiting reactant
Foruntantely, this toxin decomposes to a safe mixture of products by first-order kinetics with a rate of .27 days^-1. How long will it take for the water to be safe to drink
Calculate the pH when 6.80 g of NaBrO is added to 100. mL of a 0.500M HBrO solution (assume no change in volume). 8.76 b) Calculate the pH when 100 mL of 0.50 M NaOH is added to 100 mL of a 0.50M HBrO solution. 11.0
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