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problem- an aqueous ethylene glycol solution being considered for use as a radiator coolant is 16 c2h6o2 by weight
problem- magnesium oxide can be made by heating magnesium metal in the presence of the oxygen the balanced equation for
problem- phosphorus pentathol ride pcl5 decomposes when heated according to the reaction shown below if 450 mol of pcl5
problem- a zero-order reaction has a constant rate of 450 x 104 ms if after 800 seconds the concentration has dropped
problem- in a fictitious lab experiment a class studied two acid base reactions and recorded the temperature change
problem- draw the grignard reagent that is used with epoxide mixed with diethyl ether and h3o to get
problem- when 500 g of desmopressin an antidiuretic hormone are dissolved in 75 g oc camphor kf 400 cm freezing point
problem- please help me by showing the work and the answer because im not understanding the material thankspart a
problem- you are given a cube of silver metal that measures 1060cm on each edge the density of silver is 105 gcm3n
problem- hydrogen gas was generated by treatment of a 21 g sample of mg metal with hcl the hydrogen gas was collected
problem- if the concentration of a reagent was increased by a factor of 2 what would happen to the rate of
problem- in ironii ammonium sulfate hexahydrate per 1 mole of compound how many moles of iron and how many moles of
problem- you are titrating 01 m acetic acid with 01 m potassium hydroxide what is the ph at the initial point of
problem- galium has two naturally occurring isotopes 71ga with a mass of 709171 amu and a natural abundance of 3989 and
problem- determine cu2 using 100 ml of a cu2 aq solution a current of 15 amp was applied for 1120 seconds to complete
problem- for a one-step reaction the activation energy for the forward reaction is 400 kjmol and the enthalpy of
problem- a compute the radius r of an impurity atom that will just fit into an fcc octahedral site in terms of the
problem- the student then emptied the flask and dired it once again to the empty flask he added pieces of a metal until
problem- problem a since we are so concerned about global warming determine the amount of heat in joules produced by
problem- if 200 ml of oxygen and 400 ml of nitrogen measured at one atmosphere pressure are forced into a 100 ml
problem- a 20 sodium hydroxide solution has a density of 120 g ml-1 for a certain reaction 420 g of sodium hydroxide
problem- a student obtained a clean dry glass-stoppered flask he weighed the flask stopper and found the total mass to
problem- in a solution of 243 mm sodium phosphate buffer so the concentration represents all forms of phosphate no
problem- what is the proton concenteration in a solution of 1027 mm acetic acid this concentration represents the sum