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my latest gas bill illustrate that natural gas costs 143 per 100 std ft3 while electricity costs 19kwh presume that
an aqueous solution that is 0035 m in acetic acid hc2h3o2 is 55 percent ionized at 25 degrees c compute the osmotic
a mixture of oxygen as well as hydrogen is analyzed by passing it over hot copper oxide as well as through a drying
the coefficient of thermal expansion alpha 1vdvdtp utilizing the equation of state evaluate the value of alpha for an
suppose a certain substance has a heat of vaporization of 3400 kjmol explain at what kelvin temperature will the vapor
to treat a burn on your hand you make a decision to place an ice cube on the burned skin the mass of the ice cube is
depict the structure of the product formed in the subsequent reaction of an epoxide with ethoxide ion if more than one
make one liter of a 001 m sodium acetate buffer at ph 453pka of acetic acid is 476 explain how to calculate the amounts
consider to the structure of 13-biphosphoglycerate provide one chemical instance for the large deltagprime value of the
briefly define why atp is considered energy currency in all living cells explain the reasons in kinetic terms as well
in order to create a sodium-chloride solution with the lowest-possible freezing point you are instructed to mix 25 lb
in an adsorption batch test substance y is dissolved in the solution with an initial concentration of 250 mgl 03524
depict a mechanism that describes the reaction of sodium borohydride with water to form
determine a polymer with a number average molecular weight of 6200 daltons the polymer is made of two different
state the structure of n-9 protonated caffeine with a charge on the nitrogen however an examination of the charge data
explain what is the molarity of an hcl solution whose density is 113gcm3 as well as that contains 257 hcl
the ka value for acetic acid ch3coohaq is 18x10-5 compute the ph of a 280 m acetic acid solution compute the ph of the
while an excess of al2o3 is added to 174ml of 270m h2so4 452g al2 so43 are isolated explain what is the yield define
a sample of an unknown biochemical compound is found to have a percent composition of 5901 carbon 715 hydrogen 765
if 25g of al 270gmol as well as 72g of fe2o3 1598gmol are placed in a reaction vessel under proper conditions explain
prepare 250 ml of 02 m phosphate buffer in which h2po4- hpo4 compute the volume of 2m phosphoric acid and 1m naoh
a hydrocarbon with molecular formula c13h20 is chiral as well as has a structure such that one of its give sp3
explain why should apparatus always be clamped securely to a metal ring stand before starting a chemical
the subsequent four numbers are estimates of the mass of an object- 430 g 582 g 579 g and 547 g explain what is the