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if the curves a and b refer to two different gases he and o2 at the same temperature which is which and
the first-order rate constant for the reaction of methyl chloride ch3cl with water to produce methanol ch3oh and
formulate a conversion of 4-octyne to 45-dichlorooctane as shown in the equation below you may use any inorganic
a 01500 g sample of pure zncl2xnh20 was placed on an ion-exchange column in the h form the h released in the eluate
what is the hybridization and bond angles of acetone and sktech the atomic and atomic hybrid orbitals that overlap to
the longest wavelength capable of ejecting an electron out of a solid piece of li na k rb and cs explain briefly the
estimate the volume occupied by 276kg of methane at 325 k10atm using the van der waals
the freezing point depression of a 100 molal mgso4 solution is 225celsius determine the experimental vant hoff factor
1 the activation energy of a certain reaction is 467 kjmol at 20 c the rate constant is s-1 at what temperature would
1 which one of the following processes results in an increase of entropya condensationb cooling a gasc freezingd
1 the solubility product constant for barium sulfate is 110e-10 calculate gdeg at 298 ka 568 kjmolb 247 kjmolc -247
1 you have probably heard the two sayings nothing lasts forever and diamonds are forever they cant both be right which
calculate the standard free energy change and determine whether or not the following reaction is spontaneous under
what intermolecular forces are present in ethyl alcohol and why does it have a lower boiling point than water
if 337g of mg s was reacted to form 703 g of mgos how many moles of oxygen are present in the
the density of toluene c7h8 is 867 gml and the density o thiophene c4h4s is 1065 gml a solution is made by dissolving
a titration was performed at 25 degrees c and the ksp of a slighlty soluble salt was determined to be 15times10-4
the standard enthalpy and entropy for a slightly soluble salt at 25 degrees c were determined to be 36 kj and 47 jk
calculate the molality of a solution that is prepared by mixing 255 ml of ch3oh d0792 gml and 387 ml of ch3ch2ch2oh
commercial grade hcl solutions are typically 390 by mass hcl in water determine the molarity of the hcl solution if it
you have a mixture containing the following pairs of compunds as solid which of the following reagents could you use to
determine the molality of a solution prepared by dissolving 0500 moles of caf in 115 moles
a solution is prepared by dissolving 493 g of of kbr in enough water to form 473 mkof solution calculate the mass in
what mass of cucl2 is contained in 7585 g of a 224 by mass solution of cucl2 in
1- if 122 g of hg2cl2 is reacted with excess ammonia what is the expected yield in moles and grams of elemental mercury