If 250ml of methane ch4 effuses through a small hole in 48
If 250mL of methane, CH4 effuses through a small hole in 48 s, the time necessary for the same volume of helium to pass through the hole will be?
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while doing sn2 chemistry- synthesis of 1-bromobutane from butan-1-ol why would the crude product likely contain
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
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a laser utilized to read cds emits red light of wavelength 700 nm explain how many photons does it emit each second if
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