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what additional piece of data would be needed to complete the calculations for the
reaction between nf3 f2 and sbf3 at 200 degrees c and 100 atm pressure gives the ionic compound nf4sbf6nf3g 2f2g
the phosphate anion po4 3- is common in minerals the corresponding nitrogen-containing anion no43 is unstable but can
a 655 g sample of c6h5nh2 was combusted in a bomb caloriemeter if the temp rose by 329 degreese c use the info below to
what amino acids will be placed in the peptide chain for the following portion of dna cca-tga-tcc-ctt-agaa
the rate constant k for a reaction was measured as a function of temperature a plot of ln k versus 1t in k is linear
a how many tons of coke are needed per week to produce 851times104 of pig iron from a modern blast furnace using
state the chemical formula of salt and classify the bond as ionic polar covalent or non
show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone plus any other reagents show
show the product that forms when 3-phenylpropanal is allowed to mix with sodium hydroxide
synthesis gas can be made by reacting red-hot coal with steam estimate the temperature at which the equilibrium
when a 417g sample of an unknown compound is dissolved in 500g of benzene the freezing point of the resulting solution
how many moles of urea 60gmol must be dissolved in 716g of water to give a 24m
what is the value of q when 712g of water vaporizes at 373ok the enthalpy of condensation of water at 373ok is
you are given the following boiling point data which of the liquids would you expect to have the highest vapor pressure
show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone plus any other necessary
what is the geometry that describes how the electron pairs are arranged about the chlorine atom in
the molecule ax3 in which a is the central atom is polar and obeys the octet rule how many lone pairs of electrons does
which of the following affects the solubility of gases in solvents you may select one two or three responsesthe nature
from a consideration of the lewis structure of the thiocyanate ion scn- in which carbon has double bond with both the
what is the freezing point of a 019m solution of glucose c6h12o6 in water kf for water is 1858
calculate the lattice energy for lifs given the following sublimation energy for lis 166kjmol hf for fg 77kjmol first
a 15 ml sample of 0100 m baoh2 is titrated with 012m hcl calculated the equivalency point and the ph after 5ml 10 ml 15
how many ml of 0150 m naoh are needed to neutralize 5000 ml of a 0120 m solution of