Chemistry, 05.12.2019 22:31 colemomdad11
Chlorophyll a is one of the green pigments found in plants. chlorophyll a has the molecular formula c55h72mgn4o5. how many atoms are in this molecule?
a-136
b-137
c-138
Answers: 3
Chemistry, 22.06.2019 10:00, valdezlizbeth6652
Why is carbon ideal for making different compounds?
Answers: 2
Chemistry, 22.06.2019 10:30, Clivensp5
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
Chemistry, 22.06.2019 13:00, devontemiles8868
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
Chemistry, 22.06.2019 21:30, jpimentel2021
Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?
Answers: 2
Chlorophyll a is one of the green pigments found in plants. chlorophyll a has the molecular formula...
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