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Which two packaging plastics should show IR absorptions due toa benzene ring, and which one is the addition polymer,and which one is the condensation polymer? What frequencies do these benzene absorptions occur?
The pressure in an automobile tire is 1.83 atm at 26.0°C. What will be the pressure if the temperature warms up to 37.0°C.
What volume 0.100 M NaOH will react completely with 25.00 mL of 0.100 M HCl?
Calculate the concentration of H3O+, OH-, NH4+, and NH4+, and NH3 in 1.00 x 10-6 M NH4Cl solution. Kw = 1.00 x 10-14 and K = 5.52 x 10-10 for NH4+ H2O ?=? NH3 + H3O+.
What volumes of .200 M HCOOH and 2.00 M NaOH would make 300 mL of a buffer with the pH of one made from 475 mL of .200 M benzoic acid and 25 mL of 2.00 M NaOH
determine the partial pressure and concentration of nitrogen oxygen and carbon dioxide. given the partial pressure of
Suppose you have made 1L worth of a mixture of methanol and water, by mixing 3 parts of methanol and 2 parts of water by mass. Assume for simplicity that the volume of the mixture is exactly equal to the sum of the volumes of the ingredients
Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of aluminum is sitting out in the sun where it absorbs 16.2 calories of heat and warms from 62*F to 149*F How many inches wide ..
which gas sample contains the largest number of mole?
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
An alloy, initially weighing 50 grams, contains 90 atomic% silver and 10 atomic% copper. How many grams of copper would have to be added to make the alloy 12 atomic% copper?
how many grams of water can be cooled from 30 degrees c to 18 degrees c by the evaporation of 49g of water? the heat of
the net atp yield for the complete oxidation of a single glucose molecule is 30 atp. phosphorolysis saves energy and
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