Chemical Engineering

When water can evaporate, the absorption of heat by the vaporizing water adds a significant amount of cooling. When the ambient humidity is already high, less water can evaporate before the air become saturated with water vapor and consequently cooling is more difficult. When ambient humidity is low, more water can evaporate before the air becomes saturated with water vapor - and thus more cooling can occur for the same flow rate of water.

Some common engineering materials that produce passive oxide films include stainless steel, aluminum, and titanium. These oxide films provide corrosion resistance by forming a protective barrier that prevents further oxidation of the material.

A Podbielniak distillation column is a type of continuous liquid-liquid extraction column, used to separate components in a liquid mixture that have different solubilities in two immiscible liquids. It operates by creating a series of mixing and settling stages to extract a desired component from the feed solution.

Gaseous Sulphur Is probably S8 a unit for Rhombic sulphur and Monoclinic sulphur......

Al(OH)3

One atom of aluminum.

Three atoms of oxygen.

Three atoms of hydrogen.

Gasoline is a volatile, flammable liquid derived from crude oil and used as fuel in internal combustion engines. It typically has a clear to slight yellow color and a characteristic odor. Gasoline has a high energy density, making it an efficient fuel source for vehicles.

Crude oil is typically sent to a refinery, where it undergoes a process called fractional distillation to separate it into various components such as gasoline, diesel, jet fuel, and other petroleum products. These products are then further refined and processed to meet specific market demands before being distributed to consumers through various channels like gas stations, airports, and industrial facilities.

i am a GCSE student in Southport and in chemistry i am learning all about plastic's. "Thermosetting" plastic is used because once it is heated and moulded into a shape it can not be reheated and moulded again. However "thermoplastic" plastics can. The particular use of your laptop casing does not require and reshaping or remoulding so to give the laptop most stability and strength the "thermosetting" plastic is used as they are stronger.

Conor Smyth

1. The purpose of correlation chart are to measure or relate two variables and allow us to make a prediction about one variable based on what we know about another variable. For example, a correlation between the 2 known sample.

No, a low-density gas does not need to be hot in order to produce an absorption line. Absorption lines are formed when atoms in a gas absorb specific wavelengths of light. The presence of these lines does not depend on the temperature of the gas, but rather on the composition and energy levels of the atoms within the gas.

Chemical information sources are resources that provide data and knowledge about chemicals and their properties. This can include databases, journals, textbooks, and websites that offer information on chemical structures, properties, reactions, and uses. These sources are crucial for researchers, students, and professionals working in chemistry and related fields.

The volumetric flow rate through a pipe is not directly affected by the height difference between two points in the system. Volumetric flow rate is primarily influenced by factors such as pressure difference, pipe diameter, fluid viscosity, and fluid density. However, height difference can affect the pressure head in the system, which in turn can impact the flow rate through the pipe.

The significance of transfatty acids in oils is that we cannot metabolize them. Their counterpart is "cis fats", which are curled, but trans fats are straight. Since they aren't metabolized, they're stored in low-density lipids (LDL) -- the "bad" kind of triglycerides on the doctor's lab reports -- which leads to artery disease, heart attacks and strokes.

Nylon is held together by covalent bonds, which are strong bonds formed by sharing electrons between atoms. These bonds form a large and stable polymer structure in nylon.

Mooney viscosity refers to a measurement of the viscosity of a rubber compound in a heated state. It is commonly used to evaluate the processability of rubber materials and to assess the degree of polymer chain scission or crosslinking that has occurred during compounding or processing. The measurement is typically done using a Mooney viscometer.

A polyamide is a polymer containing monomers of amides. (nitrogen)
A polysulfone contains the subunit aryl-SO2-aryl, the defining feature of which is the sulfone group. (sulfur)

Neem oil is extracted from the seeds of the neem tree through a process called cold-pressing. The seeds are crushed to release the oil, which is then filtered and purified to remove impurities. This method ensures that the oil retains its natural properties and benefits.

Ion exchange itself is an adsorption reaction too. The question is probably about the difference between ion exchange and specific sorption.

In ion exchange, an ion sorbs to the surface by removing an other ion of the same valence or multiple ions of lower valence. In this way, ion exchange never changes the surface charge.

Specific sorption describes the inner sphere complexing of an ion to the surface without the need for other ions to be removed. In this way, specific sorption is able to alter the surface charge.

Yes, tin, Sn (Stannum), is a pure metal element, atom number 50 in the Periodic Table.

Crude oil is typically stored underground where temperatures are relatively constant, so it is not inherently hot. However, during extraction and transportation, friction and pressure can cause the oil to heat up.

Heat transfer generally follows the laws of thermodynamics, including the first law (conservation of energy) and the second law (entropy). Heat transfer can occur through conduction, convection, or radiation, with the direction of heat flow determined by temperature differences and the properties of the materials involved.

1. To bind the fibers together so that the applied stress is distributed among the fibers

2. To protect the surface of the fibers from being damaged

3. To separate the fibers and inhibit crack propagation

Cerium is commonly used in catalytic converters to reduce emissions in vehicles. It is also used in glass polishing and as a component in some types of glass, such as camera lenses. Additionally, cerium is used in the production of certain types of alloys and as a catalyst in organic synthesis reactions.

In the formula Fe2O3, the iron ion present is Fe3+. This means that each iron ion has a +3 charge, which balances with the -2 charge on each oxygen ion in the compound.