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problem- you are asked to prepare 500 ml of a 0150 m acetate buffer at ph 490 using only pure acetic acid mw6005 gmol
problem- for 2feco5aq fe2co9s cog kc15105 what is pco in atm over a solution that is 1010-4m feco5 at equilibrium at
problem- the decay of 11c to 11b is a first order process with half-life 1200s how many grams of 11c are left after
problem- 25 grams of a salt with a molar mass of 175 gmol are dissolved in 385 g of acetic acid the boiling point of
problem- given the following information for magnesium magnesium oxide and oxygen compute the second electron affinity
problem- 410186 x 410183 z 412 186 q 412185 r nuclear compositions 1 how many protons does atom x have 2 how many
problem- ethylene c2h4 is the starting material for the preparation of polyethylene although typically made during the
problem- state the type of bonding you would expect from the following compounds or elements a ionic b covalent c
problem- obtain from your instructor 25 ml of a solution containing 2g of benzoic acid and 2 g of acetaanilide
problem- an indy 500 car can travel 111 ms what is the speed of the car in miles per hour given 1 mi 161 km and 1 hr
problem- blood cholesterol level measures 136x 102 milligrams per deciliter what is the value in micrograms per
problem- what is the volume of the rectangular if a brass block measure 380 cm by 255 cm by 125 cmrework your solution
problem- the nutritional calorie calorie is equivalent to 1 kcal onepound of body fat is equivalent to about 41 x
problem- which of the following general electron configurations would correspond to an ad with four valence electrons a
problem- as the bond order increases the bond length decreases this also decreases the bond length of the other atoms
problem- use the rydberg equation to calculate the frequency of a photon absorbed when the hydrogen atom undergoes a
problem- calculate the mass of ethylene glycol c2h6o2 that must be added to 100 kg of ethanol c2h5oh to reduce its
problem- you are interested in how trnas might be inhibited in vivo to the addition of high concentrations of the
problem- estimate the delta s total the total entropy change for the following reaction at 25 degree celsius2cog o2g
problem- manganese reacts with hydrochloric acid to produce manganeseii chloride and hydrogen gas mns2hclaq
problem- ksp 145x10-16 for ag3po4 calculate the molar solubility of ag3po4 in a 010m na3po4 solution b pure water c
problem- this question has been asked with different variables a few times before but my math isnt good enough to
problem- calculate the momentum of an electron traveling 420 the speed of light report answer in kgmsi am stuck in
problem- an enzyme catalyzes a reaction with a km of 600 mm and a vmax of 450 mm x s-1 calculate the reaction velocity
problem- practice in density calculations some pranksters managed to get a hold of some ethylene glycol adipic acid and