Chemistry, 16.12.2020 20:20 lilesgar7336
In the reaction 4Al+__O2→2Al2O3, what coefficient should be placed in front of the O2 to balance the reaction?
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Chemistry, 22.06.2019 00:30
Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.
Answers: 1
Chemistry, 22.06.2019 09:00
Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
Answers: 3
Chemistry, 22.06.2019 10:10
What shape would a molecule with two bound groups and two lone pairs have?
Answers: 1
In the reaction 4Al+__O2→2Al2O3, what coefficient should be placed in front of the O2 to balance the...
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