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Platinum, Pt, is a catalyst used to promote the reaction. Without the Pt, the reaction is very very slow or does not occur. Platinum is a true catalyst and is not part of the reaction. The catalytic converter in automobiles is an example. The platinum is not consumed, but promotes the breakdown of harmful gases in exhaust to less harmful gasses.
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What are the chemical compounds that can found in a neo laptop?
Neoprene is one of the chemical compounds that can be found in a neo-laptop. Neoprene usually exhibits good chemical stability and maintains flexibility over a wide temperature range.
Is the bending of glass over a flame chemical or physical?
that depends. changing the shape of glass is physical but if its a glass that can be effected by heat then if can be chemical. i would say its both.
What are effects of over hydration and dehydration?
Over hydration will dilute the body's chemical balance. Dehydration will cause organ damage. Both states are to be avoided if you wish to live!
What is a tall stand often used to hold things over a Bunsen burner?
It is called a griebon (pronounced jreeborn) or a tripod
What is the function of stand and clamp?
A stand and clamp are typically used in laboratory settings to securely hold various equipment such as glassware, burettes, or test tubes in place during experiments. The stand provides a stable base, while the clamp allows for adjustable positioning and secure attachment of the equipment. This setup helps ensure accuracy and safety in conducting experiments by preventing equipment from tipping over or moving during procedures.
What does a triangle over an arrow in a formula equation mean?
The symbol is referred to as "delta" and means that the reaction occurs under heating conditions.
What does the symbol x with an arrow over it stand for?
absolute value
How do you indicate that a catalyst was used in a reaction?
You write the name over the arrow in the chemical equation.
What are two advantages that chemical equations written with symbols and formulas have over word equations?
Chemical equations written with symbols and formulas provide precision and clarity in representing the reactants and products involved in a reaction. They also allow for easy stoichiometric calculations and a more concise way of expressing chemical reactions.
Exercises on applications of differential equations in chemical engineering?
Differential equations are crucial in chemical engineering for modeling dynamic processes such as reaction kinetics, mass transfer, and heat exchange. For instance, the rate of a chemical reaction can be described by ordinary differential equations (ODEs) that relate concentration changes over time. In reactor design, engineers use these equations to optimize conditions for maximum yield. Additionally, partial differential equations (PDEs) can model spatial variations in concentration and temperature within reactors or separation units.
What is the basic format of a chemical reaction?
A chemical reaction typically consists of reactants on the left side of the arrow, which react to form products on the right side of the arrow. The arrow signifies the direction of the reaction from reactants to products. The reaction is often accompanied by coefficients and symbols to represent the stoichiometry and states of the substances involved.
What equations that same solution set over a given domain?
Equivalent Equations
What is a method to indicate reactants and products of a chemical reaction using chemical formulas?
In a correctly written chemical equation, reactants are the substances to the left of the arrow, and products are the substances to the right of the arrow. The reactants are what you have before the reaction starts, and the products are what you have when the reaction is over.
How can you recognize the product in a chemical equation?
The product in a chemical equation is located on the right side of the arrow. It is what is formed as a result of the reaction between the reactants on the left side of the arrow. Additionally, products are typically written in a different format or style in the chemical equation compared to the reactants.
A chemical formula written over the arrow in a chemical equation signifies?
It is a catalyst/ inhibitor to the reaction. Of itself , it does NOT change, but only aids(changes the rate of the reaction Similarly if a physical component if placed their. e.g. CH3CH2OH + CH3COOH ==H^(+)==> CH3COOCH2CH3 + H2O Acid catalyst (H^(+)) to speed up the reaction. Usually sulphuric acid. or CaCO3 ==Heat==> CaO + CO2 ( Thermal decomposition). NB Catalyst speeds up the rate of reaction Inhibitor slows down the rate of reaction, because it may go TOO fast, and uncontrolled.
What is the significance of the equilibrium arrow in chemical reactions?
The equilibrium arrow in chemical reactions represents a dynamic balance between the forward and reverse reactions. It indicates that the reaction can proceed in both directions, but at a constant rate once equilibrium is reached. This symbol is important because it shows that reactions can reach a stable state where the concentrations of reactants and products remain constant over time.
What does it indicate if you see a blank space over the arrow?
If you see a blank space over the arrow, it indicates that there is missing information or a gap in the sequence.
