Chemistry, 29.05.2020 20:07 theoriginalstal4234
Given the reaction for the corrosion of aluminum: 4 Al + 3 O2 --> 2 Al2O3, which half-reaction correctly represents the oxidation that occurs?
Al + 3e- --> Al3+
Al --> Al3+ + 3e-
O2 + 4e- --> 2O2-
O2 --> 2O2- + 4e-
Answers: 3
Chemistry, 22.06.2019 08:30
Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution
Answers: 1
Chemistry, 22.06.2019 21:30
Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet
Answers: 2
Chemistry, 22.06.2019 23:00
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
Chemistry, 23.06.2019 02:00
Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon
Answers: 1
Given the reaction for the corrosion of aluminum: 4 Al + 3 O2 --> 2 Al2O3, which half-reaction co...
Mathematics, 19.02.2020 06:13
English, 19.02.2020 06:14
Biology, 19.02.2020 06:14
Mathematics, 19.02.2020 06:15
Mathematics, 19.02.2020 06:17
English, 19.02.2020 06:19