Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
use coulombs law to calculate the ionization energy in kjmol of an atom composed of a proton and an electron separated
1 a student who was in a hurry to complete this experiment didnt completely dry the crystalline product before the
solve the following equation for x remember to balance the equation xe 2f2 -gt x in the above question we see the
a flask containing a mixture of nh3g and ch4g is cooled at -333 degrees celcius a liquid begins to form in the flask
what is the equation for the net reaction ab--gtc delta h -120 cb--gtd delta
how much work is done in kilojoules as a result of the reaction shown 25 atm with a volume of 2l --gt 25 atm with a
a geological sample is found to have a pb-206u-238 mass ratio of 0337100 assuming there was no pb-206 present when the
how the concentration on cl- was calculated from a solution of 00167m cdcl2 it gives the value cl-00334but im having a
calculate the mass defect in fe-56 if the mass of an fe-56 nucleus is 55921 amu the mass of a proton is 100728 amu and
squalene is an important acyclic hydrocarbon whose molecular formula is c30h50 how many pi-bonds does squalene have
calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 88l to 43l at a
the standard cell potential edegcell for the reaction below is 110 v the cell potential for this reaction is v when
which of the following compounds exhibits the pattern of mz values shown below 41 43 57 87 101 116 a propylbromide b
approximate the heat of reaction for the following equation using thermodynamic tables cuo s agno3 aq cuno32 aq ag2o
how much pv work is done in kilojoules for the reaction of 048 of with 024 of at atmospheric pressure if the volume
determine the hybridization about each interior atom in the following structure sketch the 3 dimensional structure and
the two amino acids glycine and alanine can form two different dipeptides draw one of the possible dipeptides as it
how many moles of oxygen are produced at room temperature given the following volume of oxygen at room temp 483 ml
part iii redox and thermodynamics 1sketch galvanic cells based on the following overall reactions show the direction of
part ii the ka for hydrofluoric acid hf is 72 x 10-4 1sketch a diagram of the general shape of the titration of 500 ml
a certain molecule fluoresces at a wavelength of 400 nm with a half-life of 10 ns it phosphoresces at 500 nm if the
part i the ka for acetic acid hc2h3o2 is 18 x 10-5 1what is the ph of 500 ml of 0100m solution if 000 ml of base has
aluminum metal shaving 10g was placed in 100ml of 600m hydrochloric acid what is the mass of hydrogen gas that can be
gives what happens at neutral ph for aluminum hydroxide a al dissolves b alh2o63 dissolves c aloh3 precipitates d