Biology, 12.04.2021 23:10, rcmhargoux9546
Usted cuenta con 45,2 nM de una sustancia X liofilizada (nota: la liofilización es un proceso de secado de compuestos orgánicos que los lleva a polvo) y necesita preparar con ella una solución stock de 100 µM ¿Que volumen de agua destilada debe agregar al liofilizado?
Answers: 1
Biology, 22.06.2019 11:00, elpeke102p73fz3
Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations
Answers: 2
Biology, 22.06.2019 11:30, annsmith66
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
Answers: 1
Usted cuenta con 45,2 nM de una sustancia X liofilizada (nota: la liofilización es un proceso de sec...
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