Oxygen is a chemical element, acetylene is an organic chemical compound.
An oxyacetylene torch on average will run anywhere between 3,000 and 3,500 degrees Celsius (5,432-6,332 F)
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formaldehyde
everything
The tanks should be clearly marked by law.
Phenolic resin is made by the reaction between phenol and formaldehyde, whereas urea formaldehyde resin is made by the reaction between urea and formaldehyde. Phenolic resin offers higher heat resistance and better moisture resistance compared to urea formaldehyde resin. Urea formaldehyde resin is typically more cost-effective and has better flexibility than phenolic resin.
Oxygen cylinders are typically larger and heavier than acetylene cylinders due to the higher pressure at which oxygen is stored. Oxygen cylinders may also contain more volume of gas compared to acetylene cylinders.
There are three covalent bonds between carbon atoms in acetylene, as acetylene has a triple bond between the two carbon atoms.
An oxygen regulator controls the flow of oxygen from a compressed gas cylinder to a torch or other equipment. An acetylene regulator performs the same function but is specifically designed to handle the characteristics of acetylene gas, which is highly flammable and requires a different pressure setting compared to oxygen.
Oxygen is a colorless, odorless gas that supports combustion and is essential for respiration, while acetylene is a colorless gas with a distinctive garlic-like odor that is commonly used in welding and cutting metals due to its high flame temperature. Oxygen is not flammable on its own but enhances combustion, while acetylene is highly flammable and requires caution in handling.
CH2O is the formula for formaldehyde, and yes, it does have dipole forces between molecules. The reason is that the O in H2C=O will be partially negative, making the carbon partially positive.
Yes, the reaction between hydroxylamine and formaldehyde is reversible. It typically forms an oxime, which can undergo further reactions or revert back to hydroxylamine and formaldehyde under certain conditions. The reversibility depends on factors such as concentration, temperature, and the presence of catalysts.
They are essentially the same thing. Formalin is the histologist's term for a solution of formaldehyde stabilized with a small percentage of methanol. In fact any aqueous solution of formaldehyde probably contains trace MeOH. Such solutions would make effective (but very messy) surface disinfectants. Formaldehyde is probably used more often to disinfect equipment in a fumigation-type process, where a closed space is filled with formaldehyde vapor. I think this is done by heat-sublimation of solid para-formaldehyde.
The reaction between formaldehyde and sulfuric acid forms methylene bisulfate. This is a reversible reaction that can also produce bisulfite ions and water as byproducts.
Acetylene is typically supplied through a specialized type of thread known as a CGA 510 connection. This thread type ensures a secure and leak-free connection between the acetylene supply tank and the regulator or other equipment being used.