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considering the given equation as p4 s h2g --gt ph3g balance this chemical equation and determine how many grams ofnbsp phosphine ph3 can produce if
compute the mass of air in an air-filled tire and the also determine the mass of he in a helium-filled tire suppose volume of the tire is 856nbsp
determine what volume of hydrogen h2 gas measured at the pressure and temperature 758mm hg and 88 degrees c respectively is essential to synthesize
one mole of nitrogen gas n2 is confined within a cylinder at the temperature of twenty five degree celsius and heated to the temperature of 275
considering the given equation 4fes 3o2g 2fe2o3s compute the amount of heat evolved in the oxidation of 320 gramsnbsp of fe atnbsp the temperature
a scientist has 200 g samples of each of the metals which are all at the same temperature then determine which metal will reach the lowest
using a beaker that contains 100 ml of h2o thermally insulated from its surroundings one mol of solid cacl2 is mixed and solution is stirred
at the temperature of twenty five degree celsiusnbsp when 100 g of sulfur is burned at constant pressure in an atmosphere of oxygen to give so2nbsp
when ch4 methane of two grams are burned in a bomb calorimeter the temperature rises from twenty four degree celsiusnbsp to twenty seven degree
the wavelength of light absorbed by rhodospin rhodopsin is the pigment in the retina rod cells responsible for vision and it consists of a protein
determine how do you find out the new freezing point of a solution ifnbsp given the formula is delta t m x kf x i but how do you find it how does it
the valve between a ten litre tank containing a gas at a pressure ofnbsp 1 atm and a three lite tank containing a gas at 05 atm is opened compute the
1 the valve between a ten litre tank containing a gas at a pressure ofnbsp 1 atm and a three lite tank containing a gas at 05 atm is opened compute
1 compute the ph at the temperature of 25 0c of a solution prepared by mixingnbsp 50 ml of 160 m sodium hydroxide solution to 05 of 0850 m furoic
a gas sample occupies a volume of 396 ml at a pressure of 128 atm and 72 degree celsius compute the volume of the gas if its temperature is changed
477 j amount energy is added to a 740 grams sample of h2o at a temperature of 21 degree celsius determine what will be the final temperature of the
determine the volume of the methane at stp if bacterial culture isolated from sewage produced 355 ml of methane ch4 at the temperature of 31 degree
determine at what temperature must a balloon be heated to have six litres volume consider that the balloon was at the temperature of 25 degree
considering the given reduction potentialsasnbsp ag aq eoline 1 electron ag s edeg 0800 voltsnisup2 aq 2 eoline 2 electrons ni s edeg - 0250 volts
determine how many grams of phosphorus tri-fluoridenbsp will be producednbsp whennbsp 401 g of f2 mix and the reaction has a 781 yield explain what
a molecule has an excited state electronic energy level that emits radiation of 1lambda 360 cm-1 when it falls to the ground state the ground state
by examining two different isotopes one can determine specific features about the molecule and its absorption spectrum spectroscopy is a very useful
using anbsp sample xenon gas that has a volume of 185 litres at 15 atm what is the new volume if the pressure is increased to 58 atm temperature and
a nugget of pure gold of 480 grams is absorbed 284 joules of heat if the initial temperature was twenty eight degree celsius then what was the final
a sample of 57 grams of h2o with a temperature of sixteen degree celsius is combined to 260 grams of h2o at 90 degree celsius in an insulated