Chemistry, 02.09.2020 09:01 hiiamsuperverylong
Challenge: In a 60 km/h speed zone the police set up a digitector, placing 2 cables across the road, 5m apart The time taken for cars to cross both cables was recorded. One car took 0.2 seconds to cross the cables. Was it speeding? If so by how much?
Answers: 2
Chemistry, 22.06.2019 12:00
What is the lowest number energy level where a d sublevel is found
Answers: 1
Chemistry, 22.06.2019 14:30
Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
Answers: 1
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
Challenge: In a 60 km/h speed zone the police set up a digitector, placing 2 cables across the road,...
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