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poly ethylene terephthalate which is the commonly used polyester dacron can be formed by an acid-catalyzed
give the structure of the product formed when adipic acid hooc-ch22-cooh is reacted with a large excess of 1-propanol
how many moles of isopentyl acetate are there in 1 g of isopentyl acetate1 ml of isopentyl
determine the electron-group arrangement molecular shape and molecular bond angle that best describes each of the
a sample may contain any or all of the following ions hg22 ba2 and mn2 no precipitate formed when a solution of nacl or
a solution is prepared by dissolving 01215g of aluminum acetate in 2500ml of water a 100ml portion of this solution is
a bicycle tire is filled with air to a pressure of 610kpa at a temperature of 605of riding on asphalt on a hot day
a sample of methane gas ch4 having volume of 180l at 25oc and 165atm was mixed with a sample of oxygen gas having a
at 50oc the autoionization constant for pure water kw is 547e-14 what is the hydronium ion concentration in pure water
a sample of ammonia occupies 325 liters at -28 centigrade and 452 torr what volume will it occupy at
a 2500 g of metal with specific heat 095 jg centigrade is heated to 800 centigrade and then placed in a calorimeter
the following reaction takes place when some drain cleaners are added to water what mass of hydrogen gas will be
what is the concentration of an kohaq solution which requieres 2500ml to titrate 4230ml of 00250m h2so4aq2kohaq
what mass of na3po4 is required to prepare 2500ml of a solution which is 030m in sodium
a 100l flask containing 0200 mol of ch4 0300 moles of c2h6 and 0400moles of c3h8 to 25 degrees celsius calculate the
a 350- sample of 0150 acetic acid is titrated with 0150 solution calculate the after the following volumes of base have
what is the ph of a solution prepared with 25 ml of 0134 sodium acetate and 25 ml of 0200 m of acetic
of the choices below which would be the best for the lining of a tank intended for use in storage of hydrochloric acida
the equilibrium constant kc for the reaction 2hclgcl2gyields h2gcl2g is 417x10-34 at 25 degrees c what is the
a a 300l bottle containing neg to 770mm hg and 27 degrees celsius he adds a sample of 0633g co2 vapor calculate the
an incandescent light bulb functions because of the flow of electric current does the incandescent light bulb convert
state which of the following species has the strongest conjugate base and briefly explain your choicea hso4- aqb
1 what is the atomic weight of an element if 400 grams of it contain 298 x 1022 atomsa 202 u b 808 u c 808 u d 202 u e
calculate a alpha for a solution of ph 500 produced from sulfurous acid h2so3 ka1 172x10-2 and ka2 643 x
when dealing with radical halogenation why does the most stable intermediate compound have the fastest reaction rate i