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explain the distance between layers in a crystal is 342 pm x rays are diffracted from these layers at an angle of
an emission line k atom is found to have two strongly spaced components one at 76670 nm as well as the other at 77011
define how you would perform a column chromatographic separation of a polar compound a and two chemicals and c that
the suppositions of the kinetic molecular theory are most likely to be incorrect for gasses under which of the
suppose if nicotinic acid hc6h4no2 is a weak monoprotic acid a 57x10-2 m nicotinic acid is 16 ionized define what is
keep 500g of aluminum chips in a tea cup calorimeter also then add 1000ml of 100 m hclstate the balance equation for
explain how much energy is released when 603g of liquid water 6000 degrees celsius is frozen at -100 degrees
explain how do you find the melting point of molecules for instance to sort lif beo bn from highest melting point to
a solution of mno2- 4 is electrolytically compact to mn3 a current of 719 is passed throughout the solution for 150 min
indicate whether the final volume of gas in each of the subsequent is the same larger or smaller than the initial
if an ion having 4 charge and a mass of 499amu has 2 electrons with principle quantum number n1 8 electrons with n2 and
atp synthase utilize the proton gradient to drive atp synthesis place the following steps of atp synthesis in order
bacteria reason milk to go sour by generating lactic acid formulate an experiment that could measure the activation
depict a lewis structure for each of the subsequent molecules or ions explain the electron-pair geometry as well as the
for a certain reaction a change in standard h -756kj also change in standard s -214 jk if n 2 compute standard e cell
nitric acid hno3 has three resonance structures one of them nevertheless contributes much less to the resonance hybrid
a sweet solution 240 by mass fructose c6h12o6 has a density of 110 gml find out the molarity of the solution presume
utilizing one of the above alkene structures of 3-chloro-3 7-dimethyloctane state the equations for the classification
define mass of chromium could be deposited by electrolysis of an aqueous solution of cr2so43 for 185 minutes utilizing
compute deltas for each of the subsequent changes in state of 25 mol of a perfect monatomic gas with cv 15r for all
identify the statements that accurately explain how hydrogen ion concentration relates to energy production in
explain a solution with a volume of 750 ml contains 155 mmol hcho2 and 850 mmol nacho2a explain what is the ph of this
define the acid dissociation for a weak acid hx at 25 degrees is 180 x 10-5 compute the free energy of formation for
explain the standard molar free energies of formation of no2g and n2o4g at 25 degrees c are 51840 and 98280 kjmol
make a buffer solution with a ph of 350 in order to learn an enzymatic protein reaction the subsequent solutions all