Chemistry, 16.11.2020 19:20 trinity7265
Select the sentences in the paragraph that explain only the dark lines that are produced in the absorption spectra. Select all that apply. A light is shown through a cold, dilute gas. Over time, excited atoms revert to their original lower energy state. Photons emitted travel in different directions that the original photon. Gaps are produced in the light spectra that correspond to wavelengths of absorbed photons. Dark lines in an absorption spectrum of light can be seen when the gas lies between the light source and observer.
Answers: 3
Chemistry, 22.06.2019 04:00
Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
Answers: 1
Chemistry, 22.06.2019 18:00
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
Chemistry, 22.06.2019 19:00
Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
Answers: 2
Select the sentences in the paragraph that explain only the dark lines that are produced in the abso...
Arts, 07.11.2020 01:00
History, 07.11.2020 01:00
Mathematics, 07.11.2020 01:00
Mathematics, 07.11.2020 01:00
Biology, 07.11.2020 01:00
History, 07.11.2020 01:00
Spanish, 07.11.2020 01:00
English, 07.11.2020 01:00
Mathematics, 07.11.2020 01:00
Mathematics, 07.11.2020 01:00