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1 using avogadros number calculate the number of atoms in 0005 kilograms of carbon2 if there are x atoms in 5 grams of
a mole of carbon atoms has a mass of 12 grams and a mole of magnesium atoms 24 grams what is the mass ratio of a single
a 0245-l flask contains 0467 mol co2 at 159 degc calculate the pressurea using the ideal gas lawb using the van der
what is the ratio of the average kinetic energy of a so2 molecule to that of an o2 molecule in a mixture of two gases
heavy water d2o molar mass 2003 g mol-1 can be separated from ordinary water h2o molar mass 1801 as a result of the
if the vapor pressure of water is 2380 mm hg at 25oc what is the vapor pressure of a 005560 m solution of compound
the reaction of hno3 with x2co3 produces co2 water and xno3nbspa write a balanced molecular reaction for this processb
would you expect silver nitrate to react with sodium chloride why or why not write the net ionic equation and why do
manganese metal is produced from the manganeseiii oxide mn2o3 which is found in manganite a manganese ore the manganese
equationsthe heat energy associated with a change in temperature that doesnbspnotnbspinvolve a change in phase is given
if the interplanar distance in the crystal is 287nbsppm and the angle of maximum reflection is found to be 725nbsp what
at what temperature does benzene boil when the external pressure is 430 torr express your answer in degrees celsius
how much heat is released upon converting one mole of steam 180 g from 1000 c to water at 250 chow much heat is
propane has a normal boiling point ofnbsp-420cnbspand a heat of vaporization deltahvap of 1904nbspkjmol what is the
what is considered to be the acceptable error for standard high school and college
1 uranium is distributed in a form called yellow cake which is made from uranium ore in the second step of the
primary task response within the discussion board area complete and upload this energy use table worksheet and write
parameters in a model can interact with each other so that the sensitivity of the model to one parameter depends on the
module 5 application assignment worksheetspss summary statisticsinstructionsfor this assignment you create and compute
you have been asked to use your modeling skills to make recommendations for how to increase the population size of a
in the fenders blue simulation you explored in exercise 2 of this lab hot and bothered with periodic fires turned on
suppose a certain pipet delivered 129 mg of a solution at 20 degc if the solution had a density of 10359 gml what
mercury aka quicksilver is a metallic element and a liquid at room temperature calculate mercurys density if a sample
hydrogen and oxygen react to form water vapour according to the following chemical equation2 h2g o2gnbsprarrnbsp2
the solubility of oxygen in water is about 45x10-2 gl the water portion of an adults total blood supply is about 5