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ahow many valance electrons does calcium fluorine have b what is its empirical formula c what is its lewis
calculate an approximate deltah in kilojoules for the industrial synthesis of ethyl alcohol from ethylene c2h4g h2og
the following reaction is used in the haber bosch process for the synthesis of ammonia n2g3h2g-gt2nh3 if the initial
experiments show that the following redox reactions are second-order overall 1 no2g cog --gt nog co2g 2 nog o3g --gt
a chemist must prepare 09 l of sodium hydroxide solution with a ph of 1340 at 25 c he will do this in three steps fill
provide mechanism for trans-1-bromo-2-methylcyclohexane rxn under e1
draw the lewis structure and shape for pcl5 which of the following statements are correct summary of names and shapes
draw the lewis structure and shape for the ammonia nh3 which of the following statements are correct vsepr choose at
titanium chloride a substance used in catalysts for preparing polyethylene is made by high-temperature reaction of
ineachofthefollowingpairsdeterminethesubstancethathasthehighestboilingpoint ph3 or nh3 br2 or icl geh4 or ch4 lif or hf
the freezing point of a solution of 200 g of maltose in 980 g of water is 0112degc estimate the molecular weight of
what is the pressure inside the system when the stopcocks are opened assume that the lines connecting the bulbs have
solution of water krm f186 circ rm cm and glucose freezes at - 475circ c what is the molal concentration of glucose in
a 050 ww aqueous solution of acetic acid has a density of 09989 g ml-1 a calculate the molality and the molarity of the
identify the ground state with spin multiplicity for the following cases cu2 in a td environment v3 in an oh
the perovskite structure is common for mixed metal oxides and halides in this structure a and b are cations of
sketch the temperature dependence for i a simple paramagnet ii ferromagnetically coupled material iii
the decomposition of nobr is studied manometrically because the number of moles of gas changes it cannot be studied
why nusselt number can be treat as a ratio of conductive resistance to convective
the complexes mnh2o62 feh2o63 mncl42- and fecl4- all have magnetic moments of nearly 592 bm what does this tell you
the addition of petph2 to nibr2 at -78 degrees celsius in cs2 gives a red complex with the formula petph22nibr2 which
carbon disulfide normally boils at 465 degrees celsius when the temperature is lowered to 280 degrees celcius its vapor
the complex mncnch35 has a single very sharp proton nmr resonance in the region characteristic of a bound ch3nc ligand
we sometimes use complex formation to make relatively insoluble salts more soluble for instance agcls has ksp16x10-10
consider the gas phase reaction 2so2g o2 g lt----gt 2 so3 g delta hdeg-198 kjmol a how would you change temperature