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organic hydrogenation reactions in which h2 hydrogenand an unsaturated organic compound mix are use in the fuel food and polymer industries in simple
it is given that the density of mercuryhg 135 gml density of h2o 100 gml determine the barometric pressure of water if a mercury hgbarometer reads
if 172 ml of 0800 m hydrochloric acid solution are required to neutralize 500 ml of a household nh3 solution determine the molar concentration of the
a calorimeter contains 290 grams of waterh2o at 115 degree celsius temperature when 190 grams of a substance with a molar mass of 810 is added it
water has a molar heat of vaporization 4079 kjmoldetermine how many grams of water could be vaporized by 0806 kilo joules heat express your answer in
determine the wavelength of an alpha particle with ake kinetic energy of 80 10-13 joules mass ofan alpha particle 400150 amu 1 amu 167 10-27
radio waves travel at the speed 300 108 msspeed of light if saturn is 79 108 km from earth thendetermine how many minutes does it take for a radio
compute the difference in pressure between ch4 and an ideal gas if 140 moles of gas are in a 600 litres tank at the temperature of 211 degree
considering the given reaction as cocl2g---gt cog cl2gcarried out in a two litres pressure vessel at 500knbspwhere kp0345 compute the final x value
an old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid if your largest reaction vessel holds ten litres can you put the
the generated hydrogen gas h2 is collected over h2o at the temperature of twenty three degree celsius the volume of the gas is measured 201 ml at 989
compute the ph of a solution made by mixing eighty grams of nach3coo to 39 grams of ch3cooh and adding in h2o to produce 500 ml of
you place ethanol of 100 grams and water of 100 grams in a refrigerator both are at room temperature initially determine which of the two liquid
bone was dissolved in hcl giving 530 ml of solution that contains calcium chloride potassium oxalate was added to precipitate the ca2 ions from the
a mixture of gas with a total pressure 760mmhg having each of the given gasesco2 ar o2at the indicated partial pressures ar 224mmhg co2 133mmhg and
a mixture of three moles of oxygen o2g and six moles of hydrogen h2g is placed in a sealed evacuated container made of a perfect insulating material
a sample of 340 grams of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of 475 grams ammonia determine the percent yield
determine the volume of 450m napo4 is needed to precipitate all the leadii ions from 1900ml of 550m leadii nitratethe solubility of barium nitrates
considering the heisenbergs uncertainty principle compute the uncertainty in the position of a 150-mg mosquito moving at a speed of 140 ms if the
determine what would be the concentration of the final solution if you take a ten mili litres portion of the stock solution and dilute it to a total
you have a stock solution of 148m ammonia determine how many milliliters of this solution should you dilute to make 1000ml of 0250m
a polysaccharide of unknown structure was isolated subjected to exhaustive methylationmethylation denotes the addition of a methyl group to a
determine the concentration of the sulphuric acid h2so4 solution if it takes 58 ml of 0124 m potassium hydroxidekoh to neutralize 415 ml of sulphuric
determine the enthalpy change if the heat released when 249 grams of potassium k reacts with excess h2o water is 124 kilo joulesa female suffering
a spoon was silver plated electrolytically in a silver nitrate solution if 0750 grams of silver was deposited on the spoon at a constant current of