Chemistry, 19.07.2019 21:00, kristieL50
1. which of the following metals oxidized by calcium ions? a- potassium b- zinc c- iron d- lead 2. the first electrochemical cell was invented by a- michael faraday b- alessandro volta c- james maxwell d- benjamin 3. why cant a lead storage battery be charged indefinitely? a- a direct current must pass through the cells b- the electrodes lose lead sulfate c- it is difficult to reverse the direction of current flow d- the electrolyte is too expensive 4. which electrode (anode or cathode) is designated as positive in an electrolytic cell? a- anode b- cathode c- both d- neither 5. what is the direction of electron flow in an electrolytic cell? a- from cathode to anode b- from anode to cathode c- in either direction d- there is no flow 6. what electrolyte can be used to electrolyze water? a-
Answers: 1
Chemistry, 21.06.2019 17:30, KindaSmartPersonn
What is the formula for the molecular compound nitrogen monoxide
Answers: 1
Chemistry, 21.06.2019 19:30, umimgoingtofail
Motivation cannot be developed with practice; a person either possesses it or they do not.
Answers: 1
Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
1. which of the following metals oxidized by calcium ions? a- potassium b- zinc c- iron d- lead 2....
History, 02.04.2020 01:40
Biology, 02.04.2020 01:40
History, 02.04.2020 01:40
Biology, 02.04.2020 01:40