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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
lets say we have a drug hexadrol the biological half life is 36 hours the person is taking 2mg three times a day total
presume a diode consists of a cylindrical cathode with a radius of 6200times10nbspnbspnbsp -2cm mounted coaxially
draw a circuit with a 12 v battery and two resistances of 6 and 8 connected in series place an ammeter in the circuit
the image of a coin you see during a lens is on the object side and is upright the signs of image distance and
a wooden block weighing 9 n is at rest on top of a wooden desk the coefficient of static friction among the block and
a 72 w light bulb with a resistance of 175 is connected to a power supply with a 119 v what is the internal resistance
you walk in a straight line due east starting from your house you walk the first 70 km at a constant 12 msec and the
two resistances one 62 and the other 88 are connected in parallel the resistors are then connected to a 12-v battery1