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a sample of 1800 grams of octane c8h18 was burned in a bomb calorimeter whose total heat capacity 1166 kjdegc the temperature of the calorimeter
ag has a density 105 g cm3a graduated cylinder has 280 ml of h2o determine the new water level after 356 grams of ag metal is submerged in the
add the angular wave function for a 2s electron of carbon to that of a 2py electron of the same carbon atom subtract one from the other in what
considering the given reaction nog o3g-no2g o2g and determine the rate constant for the reaction at 75 degreesnbspif the frequency factor a 87
the ionic substance t3u2 ionizes and produces ions as t2and u3-ions determine the value of the solubility-product constant if solubility of t3u2
sulfuric acid h2so4 combines with sodium hydroxidenaoh according to the given equation as h2so4 naoh na2so4 h2o balance the equation for this
nbspo2 make up of 467 percent by mass of earths crust if a sample of earths crust has a mass of 325 grams then determine how many grams of oxygen are
determine the molarity of a saturated aqueous solution of nai formed as 25degree celsius assuming that the added nai does not add significantly to
when phosphorus of 31 grams that mixes with o2 71 grams of phosphorus oxide is the product determine the mass of phosphorus p is required to make 39
consider the equilibrium 2i g-i2g what will be the effect on the position of equilibrium of a decreasing the temperature at constant volume b
considering the given equation cs co2g-2cog this is the hetrogenous equilibruim processthe total pressure of the system is found to be 450 atm at 700
3 compounds xyz were found to contain the same empirical formula that is the same number of c ho however compound x absorbs at 268 nm y at 278 nm and
what volume of 3m sulphuric acid is required to neutralize all of the c7h5nao3 and the excess sodium hydroxide present after the initial reaction
a sample of 447 grams of a molecular compound is that dissolved in 96 grams of tetrachloromethane ccl4 the normal boiling point of the solution
determine the theatrical yield if 156 grams of hydrogen is permitted to combines with 970 grams of nitrogen producing 143 grams of ammonia heat of
acetone ch32co has a density 07857 gcm3determine the mass of 2856 ml of acetone and express your answer in grams also find out the volume of 654 g
a calorimeter contains 250 grams of water at the temperature of fifteen degree celsius when 210 grams of a substance molar mass 440 is mixed it
using as sample of gas of 120 moles nbspare in a tank of 800 litres at the temperature of 226 degree celsius compute the difference in pressure
what are the atomic orbitals used in the double part of the double bond if the c-c axis of the given molecule is the y axis and the x axis is up and
one can of soda pop is 355 ml find out the number of tartrazine in milligrams that are utilized while drinking one can of mountain lightning and
how many mili litres of alcohol are in a 0950 rm l bottle of wine if wine is 16 by volume alcoholconsidering the given chemical equation ag3po4 3
how much heat energy is needed to convert 640 grams of ice at -180 degrees celcius to h2o at the temperature of 250 degrees celcius express your
compute the amount of heat needed to completely sublime 430 grams of solid dry ice at its sublimation temperature the heat of sublimation for carbon
what are the concentrations of rm a and rm b after seventy seconds if the initial concentration of rm ab is 0230m and the reaction mixture initially
what volume would 76 grams of dry ice occupy if the density of solid co2dry ice is 1561gml express your answer in mlnbspwhat is the mole fraction of