Gthe reaction; 4 ag(s) + o2(g) > 2 ag2o(s), is exothermic. which statement about the reaction is correct? (a) it is spontaneous at all temperatures. (b) it is spontaneous only at low temperatures. (c) it is spontaneous only at high temperatures. (d) it is non-spontaneous at all temperatures
Answers: 3
Chemistry, 22.06.2019 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
Chemistry, 22.06.2019 20:40
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
Chemistry, 23.06.2019 15:00
How many more valence electrons does sodium need to have a full outer valence shell
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Chemistry, 23.06.2019 15:20
How many stereoisomers will be formed from the addition of phenyllithium to this molecule?
Answers: 1
Gthe reaction; 4 ag(s) + o2(g) > 2 ag2o(s), is exothermic. which statement about the reaction i...
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