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when aqueous solutions of nh42cro4nbspand bano3nbsp2nbspare combined bacro4nbspprecipitates calculate the mass in grams
need help to rewriteto begin with the characteristic properties of the quadruple bonds and the electron configuration
abstract anbspdnbsporbital is able to make a quadruple bond which has fournbspdnbspelectrons for each m-m center
1 can you please help with the followingwrite balanced molecular and net ionic equations for the following reactions
the following reaction establishes equilibrium at 2000kn2gnbsp o2gnbspnbsp2nognbspnbspwherenbspnbspkeqnbsp 41 x 10-4if
chemical analysis of a gaseous compound showed that it contained 330 percent silicon and 670 percent fluorine by mass
1 a sample of 800 l of nh3 ammonia gas at 22 c and 735 torr is bubbled into a 0350 l solution of
1 iodine i2 is a solid at room temperature but sublimes converts from a solid into a gas when warmed what is the
1 what is the temperature of an 112-l sample of carbon monoxide co at 744 torr if it occupies 133 l at 55 degc and 744
how do you calculate barometric pressure torr of water when you have the temperature in celsius and volume in
the proton has a radius of approximately 10 times 10-13 and a mass of 17 times 10-24 g determine the density of a
a new drug is being developed by an important pharmaceutical company it has been noted that the interaction in solution
briefly explain why different nuclei hydrogens in a molecule give rise to their own nmr
how much heat is exchanged when 100g of solution with a specific heat of 393 jg-1k-1nbsphas an increase in temperature
write a chemical equation that describes the heat of neutralization for the reaction of calcium hydroxide with acetic
in an experiment in a general chemistry laboratory a student collected a sample of a gas over water the volume of the
stearin also known as tristearin is a simple triglyceride formed by three chain of stearic acid its biochemical
a sample of an unknown compound was analyzed and was found to contain 0267 moles of tin and 1068 moles of chlorine what
in a system where deltae -510 kj a piston expanded against a pextnbspof 12 atm gives a change in volume of 320 l what
1 how many grams of dry nh4cl need to be added to 240 l of a 0200nbspmnbspsolution of ammonia nh3 to prepare buffer
two liters of oxygen at 25 degree celsius and a pressure of 23 atm is added to a 30 l flask containing nitrogen with a
a blood sample containing salbutamol salt hcl is analysed in the pharmaceutical laboratorya calculate the molecular
a student planned an experiment that would use 010 m propionic acid hc3h5o2 calculate the value of h and the ph for
the boiling points for h2o bp 100oc and h2s bp -60degc are drastically different despite oxygen and sulfur being next
q1a sample of an unknown compound was analyzed and was found to contain 00894 moles of silver and 00447 moles of sulfur