Chemistry, 07.03.2020 03:26 joshuahagerman1404
A thin film of ethyl alcohol (n=1.36) is spread on a glass slide (n=1.5). When illuminated with white light it shows a color pattern in reflection. If the strongest light in normal incidence is green (500 nm), how thick the film is?
Answers: 1
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
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Chemistry, 23.06.2019 03:50
Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
Answers: 1
Chemistry, 23.06.2019 06:00
What volume of 0.500 mol/l hydrochloric acid, hci (aq) is required to react completely with 1.00 g of aluminum hydroxide, ai(oh)3 (s)?
Answers: 1
Chemistry, 23.06.2019 11:00
Nh4no3 n2o + 2h2o a chemist who is performing this reaction starts with 160.1 g of nh4no3. the molar mass of nh4no3 is 80.03 g/mol; the molar mass of water (h2o) is 18.01 g/mol. what mass, in grams, of h2o is produced?
Answers: 1
A thin film of ethyl alcohol (n=1.36) is spread on a glass slide (n=1.5). When illuminated with whit...
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