Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
the distillation technique most suited for separating glycerol from spent-lye in the soap industry is 1 fractional
a solution of hcl is prepared by dissolving 500 ml of hcl in 550 g of water what is the mass percent of hcl density of
zinc may be directly leached from zinc-lead sulphide concentrates by reaction with sulphuricpbss h2so4 1 o2g rarr
1 galvanization is applying a coating of 1 cr 2 cu 3 zn 4 pb2 which of the following atoms has the highest first
what mass of melamine c3n3nh23 will be obtained from 1015 kg of ureaconh22 if the yield of the overall reaction is
the concentration of fluoride lead nitrate and iron in a water sample from an underground lake was found to be 1000 ppb
using standard electrode potentials calculate deltag and use its value to estimate the equilibrium constant for each of
metformin is used to treat type ii diabetes it is excreted in the urine with no metabolism from the liver with a
the antoine equation is often used to calculate the saturation pressure of a pure species at a given temperature use
redox reactions commonly take place in acidic solutions the could just as easily take place in basic solutions this
a 650nbspmlnbspsample of a 0106nbspmnbsppotassium sulfate solution is mixed with 370nbspmlnbspof a 0104nbspmnbsplead
what common error in handling a microscope can account for piletting too much reagent into a tube what errors account
how does the probability of an electron tunneling through a potential barrier vary with the thickness of the barriera
when scuba diving it is important to come back to the surface of the water from deep dives slowly if this does not
a solution containing 324g of sulfur in 40g of benzene boils 081 c above the boiling point of pure benzene determine
measuring lung volume labnbspwhat is the independent variable of the activity what is the dependent variable of the
the ph of 01 m h3po4aq is 22 estimate the concentration of po4-3 in the solution for h3po4 the values of ka1 ka2 and
rachels parents live on a farm her mother decided to try and make it a working farm she raised 60 goats then entered
1 determine the hydronium-ion concentration for a solution that has a ph of 0172 a solution of perchloric acid has a
an equimolar mixture of nitrogen and acetylene enters asteady-flow reactor at 25 oc and 10 bar the reaction taking
the purpose of the lab was to synthesize the acetaminophen from p-aminophenol and acetic anhydride by using synthesis
green light has sufficient energy to break the bond between two chlorine atoms yellow light cannot break the bond
equations associated with enthalpies of formationif the heat of formation of h2ol is -286 kjmol which of the following
you have 10 liter of 45 m hclo aq at 25 degrees celsius ka 35x108 for this acid calculate the ph of 45 m hclo and the
1in which reaction is iron reduceda ironiii oxide reacting with carbon monoxide to form liquid iron and carbon