At night, the strobe automatically show beautiful displays of green, red, blue and orange. Do not forget this is all solar. You never have to change batteries or worry if the electrical cord is long enough. The description says that it is also able to work underwater. I am just loving this idea more and more. You can have an underwater dance party with this colorful display of light. You can buy it in sets of one, two, or four. I love that it gives you options instead of making you buy more than you want or need. ⢠Gets its energy from the sun
Is it hard to transfer from UC to another UC? What pathways must you take in order to do this?
A2A. You would apply as a transfer student like everyone else. You look at the campus that you want to transfer to for their requirements. For example Berkeley's requirements are:"Students who wish to transfer to Berkeley from another UC campus are considered in light of their personal circumstances and the availability of space in their prospective major; these students must apply as junior transfers with a minimum of 60 semester units or 90 quarter units (not to exceed 80 semester units or 120 quarter units). These units must be completed by the end of the spring prior to fall matriculation."If you do decide to transfer, I do not recommend the fall
Reaction Pathways - Substitution and elimination [closed]
In theory, one can substitute a leaving group with retention of stereochemistry by performing two successive $mathrmS_N2$ reactions. The first one inverts stereochemistry, and the second one inverts it again, thus restoring the original configuration. The Finkelstein reaction might be applicable: reaction of your 2-bromobutane with sodium iodide in acetone should yield 2-iodobutane via $mathrmS_N2$, which can then be reacted with sodium hydroxide. Reaction of a secondary alkyl halide with $ceNaOH$ will definitely yield competing elimination products, however. Note that, with secondary substrates, some competition will exist between $mathrmS_N1$ and $mathrmS_N2$, but the latter can be favored by use of an aprotic solvent and an excess of nucleophile.Reaction with $ceH2O$ is going to be slow and would yield a racemic mixture of $mathrmS_N1$ products, as well as the competing $mathrmE1$ product (with possibly some minor side-products from bimolecular pathways as well, depending on conditions). If you are satisfied with a racemic mixture, I would think elimination followed by acid-catalyzed hydration or oxymercuration-demercuration would be faster and more reliable in practice.Cyanation with inversion can be done by direct reaction of your 2-bromobutane with, e.g., sodium cyanide. Cyanide is less basic basic than hydroxide, so competing eliminations are much less of a problem. If you want retention of configuration, replace the bromine first (as described above), then perform the substitution with $ceNaCN$. The same ideas apply if starting from a tosylate instead
Describe some different pathways that rock can take in the processes of changing from one type to another?
If you look at the link it has a diagram which actually shows the various processes that can change a rock from one type to another. There are two main requirements that must be present, either one or both together. Heat and pressure are the main forces. There are other minor processes that also can cause change such as weathering and erosion.Heat from a caldera, magma pool, can give off enough heat to transform rock that gets close enough to the caldera. If I have an igneous rock, rock formed by the cooling of molten rock it can be broken into pieces by many forces. Over time these rock fragments can be compressed together by pressure underground. It is now sedimentary rock. If we heat that rock it changes and is now called metamorphic. Remember that you must visualize not just rock on the surface but rocks that over millions of years end up miles underground. Hope this helped.
Atheists, how can you claim that nothing designed life when our biochemical pathways more complex than even the most complicated blueprints?
Yet, this acutely intelligent designer could not figure out why a woman did not die after bleeding for five days every month. And, this intelligent designer gave ups a couple of useless organs. Only a moron compares a house to a biological process. And a house and a plane take more than one person using materials already made to construct them.
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