At 23 degrees celsius and 1 atm the density of a gaseous
At 23 degrees Celsius and 1 atm the density of a gaseous hydrocarbon is 1.81 g (dot) L (inverse) 1. The Hydrocarbon is
a. CH4
b. C2H2
c. C2H6
d. C3H8
e. C4H8
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a mixture of 1374 g of h2 and 7031 g of br2 is heated in a 200-l vessel at 700 k these substances react as follows h2 g
explain carbon-14 which is present in all living tissue radioactively decays via a first-order process a one-gram
a 550 ml sample of oxygen gas is collected over water at a temperature of 210 degree celsius as well as a pressure of
if 250ml of methane ch4 effuses through a small hole in 48 s the time necessary for the same volume of helium to pass
at 23 degrees celsius and 1 atm the density of a gaseous hydrocarbon is 181 g dot l inverse 1 the hydrocarbon isa ch4b
the speed of a certain electron is 995 km s-1 if the uncertainty in its momentum is to be decrease to 00010 per cent
compute the energy per photon as well as the energy per mole of photons of radiation of wavelength a 200 nm ultraviolet
a laser utilized to read cds emits red light of wavelength 700 nm explain how many photons does it emit each second if
demonstrate that the linear combination a ib and a-ib are n other mitian if a and b are hermitian
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