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the compound dichlororodifluoromethane ccl2f2 has a normal boiling point of -30c a critical temperature of 112c as well
the boiling point of methanol is 650c as well as the standard enthalpy of formation of methanol vapor is -2012 kjmol
diet cola has a ph of 30 while milk has a ph of 70 explain how many times greater is the h concentration in the diet
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a 250 g piece of aluminum is dropped into a beaker of water the temperature of the aluminum drops from 94 degrees c to
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beta carotene is the most important of the a vitamins its molar mass gmol can be determined by measuring the osmotic
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state the mechanistic equations for each step in the preparation of p-bromoaniline from aniline explain why does
give n and p-type dopants for the following materials explicate your reasoning remember gases do not make good dopantsa
find out the kinetic energy of a photoemitted electron from the surface of cs if the wavelength of the incident light
an atmospheric chemist fills a gas-reaction container with gaseous dinitrogen pentaoxide to a pressure of 110 kpa and
a 2500ml 0200 m hcl solution is titrated with 02 m naoh explain what is the ph after the addition of 1000ml of
the thermite reaction is given by- fe2o3s als ------gt fel al2o3s explain how many grams of molten iron will be
1electrons in the 2s and 2p orbitals have quantum numbers n and electrons in the 2s and 3s orbitals have quantum
ps51 describe all the energy changes which must be considered in the solution process indicate the types of
how do you calculate the expected mass of a precipitation knowing the moles of cano3 is 0025 and kio3 is