Chemistry, 05.10.2019 00:30, Aylin042277
Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced what type of formations?
a. the ionosphere
b. the ozone layer
c. banded iron formations
d. stromatolites
Answers: 2
Chemistry, 23.06.2019 00:00, PineappleDevil889
2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.
Answers: 1
Chemistry, 23.06.2019 00:00, jasmin5285
What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g
Answers: 1
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