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compare the molar enthalpies of neutralization of hydrochloric acid sulfuric acid and phosphoric acid discuss the
at a certain temperature kc for the reaction pcl5 pcl3 cl2 is equal to 333 after 020 mole of pcl5 and 10 mole of pcl
how does the size of ions in a solution affect the solutions conductivity would you expect the conductivity of a
calculate the volumes of acetic acid ch3cooh and of the acetate ch3coo- solution that would be needed to prepare a
water is unique because it is less dense as a solid than as a liquid how can you account for this unusual attributea
for the unbalanced redox reaction identify the substance oxidized the substance reduced the oxidizing agent and the
a line in the balmer series of emission lines of excited h atoms has a wavelength of 4102 nm what color is the light
calculate the wavelength and frequency of light emitted when an electron changes from n 4 to n 3 in the h atom in
write a complete set of quantum numbers n l and ml that quantum theories allows for each of the following orbital a 2p
in an equation for neutralization reaction that forms an aqueous solution of calcuim nitrate the reactantsmight
a misture of 25 mol n2 an d 60 mol h2 are placed in a 10 l evacuated flask at 300 degrees celcius and it is then
a flask contains a mixture of compounds a and b both compounds decompose by first-order kinetics the half-lives are 550
if fluid inflow rate to a reactor is 6 litersmin and the desired conversion is 85 for a first order reaction in the
quantum numbers are used to uniquely identify an electron in an atom the pauli exclusion principle states that no two
determine the total concentration in moll of ba2 ions in a solution formed from the reaction of 121ml of 085m barium
given the same reactant concentrations the reaction cogcl2g------cocl2g at 251 degrees celsius is 669 times as fast as
consider an experiment where 35 ml of 0175 m hoac is titrated with 025 m naoh what is the ph at the equivalence point
nitrogen froms a trifluoride nf3 but nf5 does not exist for phosphorous both pf3 and pf5 are known write lewis
write lewis dot strutures of i2o5 and cl2o5 based on the trends in atomic radii predict whether the i-o bond length
carbon monoxide co has a much smaller dipole moment than expected this observation has puzzled chemists and led to much
nitric oxide no has recently been discovered to have many important biological functions in the immune system in the
a explain the relative trends in acidities of the compounds of the formula hxon for compounds with identical central
draw the lewis dot structures of the following compounds in these structures all atoms are singly bonded and the octet
what volume will 96 moles of sulfur hexafluoride sf6 gas occupy if the temperature and pressure of the gas are 134degc
assume you mix 100ml of 2000 m naoh with 10000 ml of 2000 m hcl in a cofee-cup caloriometer the folowing reaction