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rubidium has a heat of vaporization of 690 kjmol and entropy of vaporization of 719 jk mol compute the boiling point of
arrange the subsequent substances in the order of increasing entropy at 25 degrees celsius hfg nafs sif4g sih4g als
explain how would one differentiate between visualizing atoms and bonding in molecules compared to using the pc spartan
depict a molecular energy level diagram for the water molecule and fill in the electrons and is the multiplicity of
concentrated hydrochloric acid is 375 hcl by mass as well as has a density of 1205gcm-3 explain what volume in ml of
if the rate of effusion of a particular gas was measured and found to be 200mlmin under the same conditions the rate of
if an organic compound contains 588 c 980 h and 314 o and it has a molar mass of 204gmol compute the empirical and
while a 1150 g sample of iron ore is treated with 500 ml of hcl the iron dissolves in the acid to form a solution of
explain the specific heat of iron metal is 0450jg-k explain how many j of heat are needed to raise the temperature of a
a student is preparing a series of calimetry experiments she first wishes to determine the calorimeter constant ccal
compute the ozone concentration in 6 km height at 260 k as well as 600mb from the precursors no and nox the mixing
compute ka of hoac from the molarity of the solution in a volumetric flask 0012m and the ph of the acetic acid 370 when
a simple method for the laboratory preparation of hydrogen involves reaction of zinc with hydrochloric acidzns 2 hclaq
explain what happens when a mineral acid reacts with an amine state the equation showing how an amine reacts with
1235 nh4no3 undergoes a transition from one solid modification to another at 1255 cat 10atm and at 1350 c at 1000atm
888ml of a gas is collected over water at 14c and 700mm of hg pressure explain what would be the volume of the dry gas
an intermediate reaction used in the production of nitrogen-containing fertilizers is the between ammonia and
thiamine hydrochloride c12h18on4scl2 is a water-soluble form of thiamine vitamin b1ka 337 x 10-7 explain how many
the heat capacity of a calorimeter is found to be 568 kjdegc-1 while a1652-g sample of glucose c6h12o6 is burned in the
a 285-gsample of iron is heated to 950degc as well as then dropped into 580g of water in a coffee-cup calorimeter the
explain how much heat in kj is required to increase the temperature of 125 gh2o from 22degc to 486degc the specific
a syringe contains 589ml of co at 325 k and 12atm pressure a second syringe contains 473ml of n2 at 298k and 26 atm
equal volumes of 12 m agno3 as well as m zncl2 solutions are mixed compute the equilibrium concentrations of ag cl- zn2
if a solution is prepared by dissolving 0500g of kcl 0500 g of k2s and 0500 g of k3po4 in 5000 ml of water explain what
define what values of j may occur in the terms a 1s b 2p and c 3p explain how many states distinguished by the quantum