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Chemistry

Does eating before bed cause dreams?

Does eating before bed cause dreams? As for late-night eating directly causing nightmares, small studies of individuals who ate immediately before sleep have not shown a consistent relationship. However, nocturnal eating can interrupt your sleep in various ways, prompting recall of disturbing dreams by the mechanism described above. Does eating before bed make you sleep […]

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What is the concentration of the H2O2 solution?

What is the concentration of the H2O2 solution? 2015 (>60% soln.) 2014 (20–60% soln.) 2984 (8–20% soln.) ICSC 0164 (>60% soln.)…Aqueous solutions. H2O2 (w/w) Density (g/cm3) Temp. (°C) 50% 1.20 20 70% 1.29 20 75% 1.33 20 96% 1.42 20 What is the concentration of 100 volume hydrogen peroxide? H2O2 Equivalent Values of Concentration Wt. […]

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What is the process of copying DNA called?

What is the process of copying DNA called? Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. How does DNA replicate itself? DNA replication is the process by which DNA makes a […]

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What are the advantages and disadvantages of permanent mold casting?

What are the advantages and disadvantages of permanent mold casting? Advantages and disadvantages of permanent mold casting Better mechanical properties. Homogeneous grain structure and chemical composition. Low shrinkage and gas porosity. Good surface quality: 40-250 µinch (1-6 µm) Ra. Low dimensional tolerances: typically about 0.04” (1 mm}. Little scrap process. What are the advantages of […]

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What are objective type questions?

What are objective type questions? Objective test questions are those that require a specific answer. An objective question usually has only one potential correct answer (although there may be some room for answers that are close), and they leave no room for opinion. These questions include matching, true/false, and multiple choice. What are the different […]

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What is the order of the electron transport chain?

What is the order of the electron transport chain? Bacterial electron transport chains. NADH → Complex I → Q → Complex III → cytochrome c → Complex IV → O2 where Complexes I, III and IV are proton pumps, while Q and cytochrome c are mobile electron carriers. The electron acceptor is molecular oxygen. What […]

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