subject
Chemistry, 20.01.2021 01:00 stephanieboyd

If an effusion experiment, it required 45 seconds for a certain number of moles of an anknown gas to pass through
a small orifice into a vacuum. Under the same conditions, It required 18 seconds for the same number of moles of oxygen to effuse. Find the molecular mass of the unknown gas.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 17:30
Given that the molar mass of nano3  is 85.00  g/mol, what mass of nano3  is needed to make 4.50  l of a 1.50  m nano3solution? use  .6.75 g18.9 g255 g574 g
Answers: 1
question
Chemistry, 22.06.2019 14:30
In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never
Answers: 2
question
Chemistry, 22.06.2019 19:00
What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-
Answers: 1
question
Chemistry, 23.06.2019 08:00
Ineed this awnser fast select the correct answer. this chemical equation represents the burning of methane, but the equation is incomplete. what is the missing coefficient in both the reactants and the products? ch4 + → co2 + a. 0 b. 1c. 2d. 3 e. 4
Answers: 3
You know the right answer?
If an effusion experiment, it required 45 seconds for a certain number of moles of an anknown gas t...
Questions
question
Mathematics, 10.11.2019 09:31
question
Mathematics, 10.11.2019 09:31
question
Mathematics, 10.11.2019 09:31
Questions on the website: 13722363