Chemistry, 02.07.2019 02:30, slawson4328
Under identical conditions, separate samples of o2 and an unknown gas were allowed to effuse through identical membranes simultaneously. after a certain amount of time, it was found that 4.644.64 ml of o2 had passed through the membrane, but only 3.123.12 ml of of the unknown gas had passed through. what is the molar mass of the unknown gas? unknown molar mass: g/mol
Answers: 3
Chemistry, 22.06.2019 08:00, hdjsjfjruejchhehd
Define dew point. i am writing this part to be able to ask the question
Answers: 1
Chemistry, 23.06.2019 00:30, evelynalper08
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
Chemistry, 23.06.2019 01:30, ayoismeisalex
Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals
Answers: 1
Chemistry, 23.06.2019 02:00, Turtlelover05
Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive
Answers: 3
Under identical conditions, separate samples of o2 and an unknown gas were allowed to effuse through...
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