Chemistry, 16.10.2020 02:01, Bluefurry06
You have a 300 g sample of water that contains 6.00x10-5 g of arsenic. What is the concentration of arsenic in the water sample in parts per million?
Answers: 2
Chemistry, 21.06.2019 15:00, asims13
Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.
Answers: 2
Chemistry, 22.06.2019 01:40, georgehall3027
C3h8o3 - glycerol major species present when dissolved in water
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Chemistry, 22.06.2019 20:00, 20calzoy
There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) ā c2h2 (g) + caoh2 (s) =Ī“hā414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) ā 5ch2chco2h (g) =Ī“h132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
You have a 300 g sample of water that contains 6.00x10-5 g of arsenic. What is the
concentration of...
Mathematics, 20.11.2019 16:31
Chemistry, 20.11.2019 16:31
Mathematics, 20.11.2019 16:31