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determine the boiling point of an aqueous solution that is 250 m ethylene glycol kb for water is 052 degrees celsiusm
a 195 mg sample of a nonelectrolyte isolated from throat lozenges was dissolved in enough water to make 100 ml of
a 10 foot by 10 foot by 10 foot room contains air at 95 degrees fahrenheit in the middle of the room is a tray holding
at 20 degrees celsius the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr what is
a solution contains 370 mol of water and 150 mol of nonvolatile glucose what is the mole fraction of water in this
the standard gibbs free energy change for the decomposition reaction of caco3 s to cao s and co2 g at 1173 k is 0178
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a 8140 ghr stream of liquid methyl alcohol also called methanol ch3oh at 820 atm and 180degc was held at constant
hazardous material questions1 a worker at dmg energy llc experienced chest pain and was transported to the cardiac unit
for this assignment write about a hazardousmaterials incident or an environmental health and safety ehs project that
for the diprotic weak acid h2a ka1 35 times 10-6 and ka2 67 times 10-9 what is the ph of a 00800 m solution of h2a
question cement hydration productsfind and summarise the names and formulae of four of the major hydration products
problem set 1a john has a fasting blood glucose level of 184 mgdl what is the concentration of glucose in his blood
what is an electrolyte what determine if it is a strong or weak conductor how does it relate to
consider a container of gas under set pressure volume and temperature what would happen to the pressure if volume was
by how much will the ph change if 0025 mol of hcl is added to 100 l of the buffer that contains 015mhc2h3o2and
blood takes about 145 s to pass through a 200-mm-long capillary if the diameter of the capillary is 500 mum and the
calculate the viscosity dynamic viscosity and kinematic viscosity of air when the temperature is
when 500 ml of 0050m formic acid hco2h is titrated with 0050m sodium hydroxide what is the ph at the equivalence point
a flywheel weighing 600 n has a radius of gyration of 300 mmit starts rotation at 600 rpm and due to the viscosity of
use poiseuilles equation to calculate the viscosity coefficient given the following variablesv 5856 and - 001 cm3l
stokes law describes sedimentation of particles in liquids and can be used to measure viscosity particles in liquids
what is the ph of an aqueous solution of koh if its density is 10242 gml the molar weight of koh is 561 gmol the koh is
why do protease-producing cells of the stomach and of the pancreas produce only the precursors to active proteolytic
at 293k the time of flow for water through a viscometer is 3425 s for the same volume of an organic solvent the time of