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at 25 c the reaction is first order in ch3ch2cl the rate constant is 10e-3 and the a factor is 34e14 what is the value
based on the balanced chemical equation given that 20 g of na2co3molecular weight 5844 gmol was added to the reaction
what is the ratio of atoms of hydrogen to atoms of oxygen ho in ammonium sulfate nh42so4 please
assume that a nickel weighs exactly 5038650 g for the sets of weights listed below obtained by a single weighing on an
a what is the role of the mg in preventing corrosionb what qualities must a metal like mg have to prevent oxidation of
which is the best estimate of the ph of a solution that has a hydroxide ion concentration of 125 x 10 -5m nbspexcess
suppose you have 1 atm of gas a and 1 atm of gas b if a and b react to form c with a 1 a 1 b 1 c stoichiometry what
consider the equilibriumnh4shsnbsp nh3g h2sgif kcnbsp 12e-4 for this reaction at 218 celsius what is the value of
write a formula to match the name or a name to match the formula of the following binary ionic compoundsalifbcalcium
hot air rises and light objects float this as an example of buoyancy from the picture below explain the buoyancy of the
what is the molar mass of c15h26o16nbspnbspnbspfor credit please show your work that is show nbspall units steps
ammonia nh3 is industrially produced from n2nbspand h2nbspusing the haber process how much ammonia can be produced from
the photosynthesis reaction is 6co2g6h2oggtc6h12o6s6o2g if the reaction requires 282103kjmole of c6h12o6 formeda how
a reaction can be thermodynamically favorable but kinetically unfavorable what does that mean when is reaction
for reaction the following mechanism was proposed1 ab lt--gt c fast2 c d --gt e slow3 e --gt fb fasta what is the
quicklime cao can be produced by heating calcium hydroxide caoh2 what is the percent yield if 45 grams of quicklime are
find out the value of kp of the following reactionn2o4 g 2no2 g given the number of moles of n2o4 and no2at equilibrium
calculate the madelung constant for agcls given that the lattice energy is 912 kj mol-1 and that the ag-cl distance is
a precipitation of 0200 mol of pb2 aq with 0200 mol cl- aq produces 249 g pbcl2 s what is the percent
determine the final state and its temperature when 1500 kj of heat are added to 500 g of water at 20 ordmc specific
a sample of hcl contains 705 x 10-3 mol of hydrogen chloride in 50 cm3 of solution a write an expression for the term
a rock contains 037 mg of pb-206 and 095 mg of u-238 the half-life of the decay series u-238 rarr pb-206 is 45 x 109yr
an equilibrium mixture at 395o c contains 0012 m co and 0025 m cl2 at this temperature kc is 123 x 103 what is the
for the following reaction the concentrations of the components of at equilibrium are given calculate k 2ab
calculate the amount of water required to reduce the temperature of the following samples of metal assume that you can