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an unknown compound p isolated from a mould was found to be optically active as well as to have a molecular formula of
ignoring activities find out the molar solubility of copper i aside cun3 in a solution with a ph of 1204 ksp cun3 49
at a certain temperature the equilibrium constant for the subsequent chemical equation is 280 at this temperature
explain why does the addition of no2 to acidic solution of acetanilide require to be performed at a cold temperature
a sample of solid ammonium carbonate is heated in a closed container at 298 k and allowed to reach equilibrium the
explain a compound has a molar mass of 598 gmol define if 358 mg of the compound is dissolved in adequate water to make
diethyl ether comprise a vapor pressure of 401 mmhg torr at 180c as well as its molar heat of evaporation is 260 kjmol
diethyl ether have a vapor pressure of 401 mmhg torr at 18 0c and its molar heat of evaporation is 260 kjmol explain
sparklers enclose powdered iron explain why do sparklers burn more rapidly that a piece of iron wire select all that
a certain substance has a heat of vaporization of 6589kjmol explain at what kelvin temperature will the vapor pressure
the flask shown here contains 0450 g of acid as well as a few drops of phenolphthalein indicator dissolved in water the
offer the complete balanced reaction for hno3aqbaoh2aq as well as the ionic and net ionic
state the balanced molecular ionic as well as net ionic equations for the neutralization reaction between nh3aq and
the subsequent data show the rate constant of a reaction measured at several different temperatures temperature k rate
two reactant are mixed in a bomb calorimeter as well as a reaction occurs the temperature of the calorimeter rises
a balloon expands isothermally from 10 l to 100 l next to a constant external pressure of 70 atm the work done by the
a reaction is carried out in a constant pressure calorimeter appropriate measurements are taken as well as the energy
5oog of a sample which contains copper is analyzed iodometrically copperii is reduced to copperi by the iodide what is
a 530 sample of gold is heated from 200 c to 350 c as well as absorbs 207 j of heat find out the specific heat of golda
the specific heat of an unknown metal is 0230 j gc a 450 g sample of the metal is heated from 250 c to 580 c explain
explain what is the molarity of a solution containing 11522 grams of koh in adequate water to make 350ml of
explain what is the molarity of a solution containing 729 grams of hcl in sufficient water to make 500ml of
depict the expanded structural formula for the product formed when each of the subsequent is reduced by hydrogen in the
explain what is the molarity of a solution containing 5035 grams of fecl 3 in enough water to make 500ml of