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the kingston steam plant burns 14000 tons of coal each day and generates 1010 kilowatts-hours of electricity each year
three common hydrocarbons that contain four carbons are listed here along with their standard enthalpies of
what is the hybridization of si in what is the hybridization of si in
the following unbalanced equation describes the reaction that can occur when dinitrogen tetroxide n2o4 is combined
calcium carbide cac2 reacts with water to form acetylene c2h2 and caoh2 from the following enthalpy of reaction data
aspirin c9h804 is produced from salicyclic acidc7h6o3 and acetic anhydridec4h6o3what quantity of pure c7h6o3 would be
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explain why bubbling a solution with an inert gas such as argon or nitrogen causes deoxygenation of the
the reaction shown above has been determined to be first order with respect to n2o5 if 00250 moles of n2o5 are
1 classify each of the following solutes as an electrolyte or a nonelectrolyte hcl na2so4 ethanol ch3ch2oh 2 calculate
8the lethal inhalation dose of sarin for a 200lb person has been determined to be 00015 mg determine the ld50 of
imagine that you have a 650 gas tank and a 250 gas tank you need to fill one tank with oxygen and the other with
what is the ph of a solution obtained by mixing 50ml of 002 m sodium acetate with 40ml of 001 m
you make 100 l of a buffered solution ph 400 by mixing acetic acid and sodium acetate you have 100 m solutions of each
what volumes of 053 m hno2 and 059 m nano2 must be mixed to prepare 100 l of a solution buffered at ph
a 1300 g sample of an ionic compound naa where a- is the anion of a weak acid was dissolved in enough water to make
the ksp for silver sulfate ag2so4 is 12 multiplied by 10-5 calculate the solubility of silver sulfate in each of the
the copperi ion forms a chloride salt that has ksp 12 10-6 copperi also forms a complex ion with cl cuaq 2 cl aq
a solution is prepared by mixing 500 ml of 029 m pbno32 with 500 ml of 19 m kcl calculate the concentrations of pb2 and
the mole fraction of oxygen molecules in dry air is 02095 what volume of dry air at 100 atm and 25degc is required for
calculate the mass of sodium acetate that must be added to 5000ml of 0200m acetic acid to form a ph 500 buffer
1 frank and oswalt report a molar absoptivity of 4700 l mol -1 cm-1 for the thiocyanatorironiii ion what t would you
1 supply the missing product for the following reaction 5926fe reg -10e2 the oh- of a solution is 36 x 10-4 m
1 what is a zymogen how are they activated give an example2 what is a transition state and what is its relationship
the activation energy of a certain reaction is 529 kjmol how many times faster will the reaction occur at 35 degrees c