Chemical Engineering

The German passenger airship Hindenburg, filled with hydrogen gas, caught fire and was destroyed while attempting to land in Lakehurst, New Jersey in 1937. The disaster resulted in the death of 36 people and marked the end of the era of hydrogen-filled airships for commercial air travel.

Great question. The answer is almost certainly not. Gasoline is only 3/4 the density of fresh water. You could not float in it. As an addendum, by "staying afloat" the question implies effort as in treading, as one would tread water. Yes. But, because the viscosity of Gasoline is less than water it would take greater effort, more stamina and this causes heavier breathing. Beside the fact that gasoline is absorbed thru the skin and blisters, if help were not immediately forthcommiing, the noxious fumes would soon render one unconcious and thus result in drowning.

Under the ASTM Method D 323 (Reid vapour pressure), it is the absolute vapour pressure exerted by a liquid at 100°F. The higher this value, the more volatile the sample and the more readily it will evaporate. Unlike distillation data, vapour pressure provides a single value that reflects the combined effect of the individual vapour pressure of the different petroleum fractions in accordance with their mole ratios. It is thus possible for two wholly different products to exhibit the same vapour pressure at the same temperature - provided the cumulative pressures exerted by the fractions are the same. A narrow-cut distillate, for example, may exhibit the same vapour pressure as that of a dumbbell blend, where the effect of heavy fractions is counterbalanced by that of the lighter ones. In conjunction with other volatility data. Reid vapour pressure plays a role in the prediction of gasoline performance.

Rubber floor mats typically melt at temperatures around 250-300 degrees Fahrenheit. It is important to check the specific material and manufacturer guidelines for accurate temperature thresholds to prevent damage.

all temperatures above saturated steam is super heated steam.

"Superheated" steam isn't so much a scientific term as a technical term. Steam is more efficient the more energy it has (the molecules have more kenetic energy/are hotter).

During the height of steam locomotive development, the most fuel efficient way to accomplish this was to collect the steam, and then run it through a series of loops that are exposed to the exhaust gases of the original combustion, there-by further heating the steam.

Because the steam receives no further moisture, but received further heat energy, it is considered 'dry' steam. Superheat was a term coined by the engine builders as a way to promote the design as a way to sell their engines.

Because the superheater pipes carried steam pressure, they added additional equipment that had to be inspected as per ICC regulations. Because they also were exposed to the exhaust gas stream, they had a likelyhood of being erroded by the waste fuel being exhausted as well as the 1300+ degree combustion exhsut gasses.

Petroleum jelly is used in the hang drop procedure because , it reduces the evaporation of the drops of fuild . ----------------------

ALSO, this type of sealing material is used primarily to not only reduce evaporation of liquid but to eliminate air current in the preparation as well.

It is made of specially cohesive material on one side, and other non-stick material on the other side, giving tape its ability to stick. However, all of the cohesive products are not released to the public, since they are mostly secret.

Some advantages of liquid level measurement include real-time monitoring, improved process control, early detection of leaks or spills, and increased safety by preventing overfilling or underfilling of tanks.

To find the final temperature, we can use the ideal gas law. First, calculate the initial specific volume of the mixture using the quality of the saturated steam. Then, use the equation of state to find the final specific volume at the new pressure. Finally, determine the final temperature using the final specific volume and the new pressure.

No, a Lower Explosive Limit (LEL) meter that is designed for detecting hydrocarbons may not accurately measure hydrogen gas LEL. Hydrogen has a different LEL concentration compared to hydrocarbons, so using a meter specific to hydrogen gas is recommended for accurate results and safety in potential hazardous environments.

electrolysis is a scientific word. It means to split the water into two terms of chemistry. which H2O into H2+O. H equals to hydregen, and O equals to Oxygen. In GIN(Global Issues ?), a lot of scientists are interested in electrolysis. Because, if you eletrolysis the water, Hydregen appears out. So the hydregen can be the engine of the car, which uses the CO2, and breaks the environments down. That is what the GIN is learning about. And also, hydregen doesn't break the environment down, so that is keeping the environment green, and friendley.

Acrylic plastic is typically made from methyl methacrylate monomer, which is a liquid compound derived from natural gas and petroleum. It can be produced through a process called polymerization, where the monomer molecules are chemically bonded together to form long chains, creating the acrylic plastic material.

The dry corrosion is the corrosion of the metal that takes place in the absence of conducting(aqueous) medium. The reaction between metal and oxygen (atmosphere) at elevated temperatures in perfectly dry conditions is an example of dry corrosion.

The most abundant gas in the Earth's atmosphere is nitrogen, making up about 78% of the air we breathe. Nitrogen is essential for living organisms to build proteins and DNA. It is also used in various industrial processes, such as in the production of fertilizers and as a protective gas in food packaging.

The materials used to make plastic could come from coal, wood / plant oils or bio mass. They could be produced by fermenting sugar from crops and using the alcohol as a starting material (feedstock)for the production of the raw materials.

As far as I know nobody makes such plastics commercially yet, but someone else might know more......

Try googling " bioplastics " for more information

In a solid there are covalent bonds between atoms. These bonds are created by sharing electrons and are very strong. This prevents atoms moving. They may only vibrate in that postion. In a liqiud, the bonds are only created by ends of molecules being partially charged. These may be polar bonds when one end has a permenant charge due to an atom having a greater attraction for electrons. The uneven charge distribution creates bonds when ends of molecules with different charges attract each other. If the molecule is symmetric then dispersion forces create temporary bonds due to a temporary charge distribution as electrons move around. These polar and dispersion forces are not as strong so the bonds break all the time and the molecules may roll around each other. In gases there aren't any bonds so the molecules just fly and bounce around.
Because the molecules are loosely packed

The viscosity of ethylene oxide at 20 degrees Celsius is approximately 0.35 centipoise.

Using the principles of biology and chemistry, environmental engineers develop solutions to environmental problems. They are involved in water and air pollution control, recycling, waste disposal, and public health issues. Environmental engineers conduct hazardous-waste management studies in which they evaluate the significance of the hazard, offer analysis on treatment and containment, and develop regulations to prevent mishaps. They design municipal water supply and industrial wastewater treatment systems. They conduct research on proposed environmental projects, analyze scientific data, and perform quality control checks.

Environmental engineers are concerned with local and worldwide environmental issues. They study and attempt to minimize the effects of acid rain, global warming, automobile emissions, and ozone depletion. They also are involved in the protection of wildlife.

Many environmental engineers work as consultants, helping their clients to comply with regulations and to clean up hazardous sites.

An in situ reaction refers to a chemical reaction that takes place in the same location where the reactants are initially present, without removing them from that environment. This technique is commonly used in various applications such as environmental remediation, material synthesis, and biological studies to observe reactions in their natural settings.

Yes but No at the same time.

Chemical Engineering starts of with a few basic science and engineering courses which help with your general understanding of chemistry. They follow this up with a large amount of thermodynamics, physics and mathematics. From here it moves to process'es and understanding of industrial production of chemicals and products.

In a nutshell its a intellectually stimulating course and requires significant work commitment but it isn't impossible for even a average student to pass.

If you like problem solving and like chemistry, physics or mathematics, then you should consider studying it.

Engineers use the abbreviation MM to denote million. MMkcal is simply one million kilocalories. This is also commonly abbreviated as Gcal (as in giga calories).

The best branch for B tech is going to be what is more interesting to you. Mechanical Engineering and Aeronautical Engineering seem to be in favor right now, with mechanical in the lead.