Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a 20 m 10 m 30 m basement had a high radon content on the day the basement was sealed off from its surroundings so that
what is the cathode ph in coco2100 mh1x m h210 atmpt if e 001 v give the ph to
the standard reduction potentials of the x1x and y3y couples are 023 v and -028 v respectively what is the cell
when a solution containing 14g of bano32 and 24 g of nh2so3h is boiled a precipitate forms this precipitate may be
polonium crystallizes in a simple cubic lattice the po atoms are at the lattice points only if the density of the metal
nonmetals like cns and p are typically the central atom in a molecular compound rather than nonmetals such as ofh and
show how to perform the following dilution using mathematics and a brief explanation of the preparation procedure how
it takes more energy to boil away a pan of water at 100 oc than to heat it from room temperatue to 100
a chemist was studying the solubility of two new compounds she made in her laboratory at work ni3 and cbr4 they will
what is the enthalpy of formation of cog in kj 2cog o2g --gt 2co2g h reaction -566 kj h co2g -3935
when a 42 g sample of an alloy at 1000 oc is dropped into 900 g of water at 226 oc the final temperature is 305 oc what
determine the number of sulfate ions in 2l of a 05m caso4 aqueous solution then determine the number of calcium ions
consider the elements o ba co be and br from this list select the element that exhibits a maximum positive oxidation
a sample of s8 g is placed in a container at 1325 k at an initial pressure of 100 atm where it decomposes to s2 g by
calculate the amount of c6h12o6 glucose you would need to measure out on a balance in order to have 1504 x 1023
the crystal field splitting energy for a complex is 160 kjmol what wavelength of light is absorbed by this complexa 750
the absorption rate constant is smaller than the elimination rate constarnt therefore the terminal decline of the
determine the vibrational modes that are optically active and determine which are raman and ir active for ccl4 chcl3
50 of the distintegrations of a sample of an unknown pure nuclide weighing 46 x 10-2 g were counted in the first
a patients thyrod gland is to be exposed to an average of 55 microcuries for 16 days as an ingested sample of
a substance that you believe to be talc contains 5835 g magnesium 8988 g silicon 1536 g oxygen and 161 g hydrogen how
calculate the vapor pressure of water above a solution prepared by dissolving 370 of glycerin in 135 of water at 343
the standard addition method for he trace spectrophotometric analysis of iron is based on dilution of the sample to 500
a 180-g sample of phenol c6h5oh was burned in a bomb calorimeter whose total heat capacity is 1166 kjc the
the molar concentration of the indicator hin ka 48x10 -6 and its conjugate base in- at 450 were determined as in-