1) When creating an Ester, a smell of vinegar would appear. Why does this happen? What compound is causing this? 2) If there was a vinegar smell, sodium hydroxide was used. What did sodium hydroxide do chemically to fix this problem? What is the mass concentration (percentage) of...
What is the color of : 1.K3Fe(CN)6?2.K3Cu(CN)6? Chemical reaction Chemical reactions are generally characterized by the occurrence of the physical as well as chemical changes. Inorganic chemical changes, organic chemical changes, and biochemical changes...
Bauxite ore is the world's primary source of aluminum. The ore must first be chemically processed to produce alumina (aluminum oxide). Alumina is then smelted using an electrolysis process to produce pure aluminum metal. Bauxite is typically found in topsoil located in various tropical and subtro...
Invisible ink is an ink that doesn't show up until it's exposed heat or chemicals or looked at under a UV light. Common homemade...
“Research now supports the idea that anti-nutrients are nature’s way of helping us to be more intuitive in our eating patterns. For instance, some spinach is really good for you, but as you consume too much, the level of oxalates will build up in your bloodstream to a point that a...
2 Structure/ 结构 2.1 Molecular Structure/ 分子结构 As a typical cellulosic fiber, natural colored cotton fiber is chemically composed of cellulose, hemicellulose, wax, pectin and so on. The chemical composition of brown, green and white cotton fibers are exhibited in Table 2-1. As is shown,...
What is the purpose of an antacid tablet? What does the tablet do chemically? Explain the purpose of the following in the synthesis of acetanilide experiment. \\ A. acetic acid \\ B. water \\ C. charcoal Why is the concentration of magnesium sulfate expected to increas...
For titration, why is the Mohr method better than the Fajans method? Explain. What is the purpose of an antacid tablet? What does the tablet do chemically? Why do you have to constantly swirl the Erlenmeyer flask while performing titrations? Explain the concept of precipitation titration...
The resulting solution is termed as saturated solution, when the quantity of solute particles would be same as the quantity of solvent. When the solute particle starts forming precipitate, then the saturation point is obtained.Answer and Explanation: ...
Answer to: A sample of sand is composed of granules of quartz (silicon dioxide) and seashells (calcium carbonate). The sand is mixed with water...