Calcium oxide

reaction of magnesium metal. While heated in the crucible, magnesium reacts with oxygen from the air, and the masses before and after the oxidation are measured. The resulting masses are used to calculate the experimental empirical formula of magnesium oxide. With the empirical formula, we can then compare it to the theoretical empirical formula. Using a crucible and a Bunsen burner, the magnesium metal will be heated to a burning. Simple combustion experiments conducted with crucibles, burners, and balances

According to the definition, Environmental pollution may be defined as the contamination of the physical as well as biological components of the atmosphere thus damaging the environment to a large extent Types of environmental pollution and their sources: Air pollution is considered as the most prolific form of pollution. The main source is burning of fuel which is important for our daily needs such as cooking, driving and industrial activities. Sulphur dioxide, which is very toxic, is produced due

During investigating this plane crash, the materials found at the site were: carbon, hydrogen, nitrogen, and oxygen. In order to identify the victims and what happened, I used empirical and molecular formulas. Empirical formula is a formula with the lowest whole number ratio of elements present in a compound. Molecular formula indicates the actual number of atoms of each element presented in a compound. First, I calculated the empirical formula by using the percentages of the compound analysis for

What is Nitro Coffee Nitro coffee is simply coffee that has been cooled to at least 40C which is equivalent to 400F before being infused with nitrogen. Infusing the nitrogen into the coffee can take different forms. This can be done either through pressurization or through the use of a device known as a Nitrogenator. The Nitrogenator works in a similar manner to how water gets carbonated. Various methods can be utilized in brewing Nitro coffee. The coffee has to be held at a pressure that is at least

The question the group was trying to answer is, “How Does the Total Mass of the Substances Formed as a Result of a Chemical Change Compare With the Total Mass of the Original Substances?” The purpose of this lab was to attempt to verify and observe the Law of Conservation of Mass, and the law of conservation of mass also states that matter is never created nor destroyed. The purpose of this lab was also to prove the the claim that the group made, “The total mass of the substance formed as result

Calcium was discovered by Sir Humphry Davy at England in 1808. Calcium is a soft, gray metal. When it burns, it burns with a yellowish-red flame. When it is exposed to air, it develops a gray-white coating because it reacts with the oxygen in the air to form a coating of calcium oxide .Calcium comes from the Latin word calx meaning lime. Compounds such as lime were prepared by the Romans in the first century under the name calx. Literature dating back to about 975 AD notes that plaster of Paris is

SYNTHESIS AND CHEMISTRY OF K2S2O8 ABSTRACT In this experiment, a sample of K2S2O8 was prepared by the electrolysis of an aqueous solution of H2SO4 and K2SO4. The peroxodisulfate anion, S2O82-, was also observed for its ability to serve as a counterion for precipitation by preparing a copper (II) complex by reacting hydrated copper (II) sulfate with ammonium peroxodisulfate in the presence of pyridine. This same ability, coupled with its strong oxidizing ability allowed for stabilization of

Electrophoretic deposition (EPD) is a combination of electrophoresis and deposition techniques. It is a process where charged powder material is dispersed in a solvent before it is attracted by a direct current (DC) electric field and deposited onto a conductive substrate of opposite charge surface (Besra & Liu, 2007). There are two types of electrophoretic depositions; cathodic electrophoretic deposition and anodic electrophoretic deposition. The former occurs when positively charged particles

releases nitrogen oxides, sulfur dioxide, mercury, and dozens of other substances known to be hazardous to human health” (Air). There are plenty of chemicals out there that I have never heard of, however, the three listed in the lines above, I have heard before. Although, I do not know much about any of them; so I will look them up. Nitrogen Oxides: “Nitrogen oxides are a group of gases that are composed of nitrogen and oxygen. Two of the most common nitrogen oxides are nitric oxide and nitrogen dioxide

Water quality management in agricultural catchments, generally, appears to focus on identifying and reducing nutrient losses from the root zone of intensive farming activities. In recent years, reducing nutrient loss from root zone and minimizing the impact on farming practices of freshwater bodies has taken centre stage in this debate (Clothier et al., 2007). To fully understand management options of water this study will explore the vicious cycle of how on the source, the mode of transportation