Answers: 2
Chemistry, 23.06.2019 04:10, NavyCo
Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
Answers: 1
Chemistry, 23.06.2019 10:30, genyjoannerubiera
4al + 3o2 β 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
1pt Twins raised in different families still exhibit similar mannerisms, indicating that at least so...
Mathematics, 19.05.2020 02:57
SAT, 19.05.2020 02:57
Mathematics, 19.05.2020 02:57
Mathematics, 19.05.2020 02:57
History, 19.05.2020 02:57
History, 19.05.2020 02:57