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What substance would need to be added in order to reverse the reaction?
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Why radioactivity is considered as a first order reaction?
Radioactivity is the disintegration of the substance by its own. This means disintegration depends only on one reactant concentration i.e.,on itself. So this is a first order reaction.
What is the relationship between concentration and reaction rate?
In general (but not always), the reaction rate will increase with increasing concentrations. If the reaction is zero order with respect to that substance, then the rate will not change.
Is a substance that increases the rate of a chemical reaction.?
Factors affecting the reaction rate: - Concentrations of the reactants- Temperature- Pressure- Stirring- Catalysts- Granulometry (and the surface area) of the reactants- Reaction order- Type of the reaction- The solvent used- External factors as irradiationetc.
What is the reaction order of the decomposition of nitrogen pentoxide?
it is first order reaction...
Is the boiling point of a pure substance the same as an impure substance and why?
Adding impurities changes both boiling points and freezing points. The added material has its own chemical interactions with the solvent to which it is added. In order to boil, a substance must overcome the chemical attraction between its own constituent atoms or molecules. If there are also other atoms or molecules to which a constituent atom or molecule of a given substance is also attracted, the boiling point will therefore be higher. No it's not the same it dip pends on what the substance is.
What are the starting substances that are involved in a chemical reaction called?
Substances initially present in a chemical reaction that are consumed during the reaction to make products are called "reactants".A "reagent" is a substance or compound that is added to a system in order to bring about a chemical reaction or is added to see if a reaction occurs.Although the terms reactant and reagent are often used interchangeably, a reactant is more specifically a "substance that is consumed in the course of a chemical reaction".Solvents and catalysts, although they are involved in the reaction, are usually not referred to as reactants.
If you need to reverse the following reaction in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of reaction you use for this in?
1410 kJ
Why the direction of resultant vector in the triangle law of addition is reverse?
In order to bring the system to equilibrium, action and reaction cancel out. The resultant is the reaction.
What is an additive?
An additive is a substance added to another substance or product in order to alter its properties. It can be variously applied to an arithmetical function or concept, rhythm, or colour. It can be used to refer to a substance added to food to improve its flavour or appearance.
Can a chemical reaction occur without any new substanced?
No, in order for a chemical reaction to take place, a new chemical substance must be formed.
Why radioactivity is considered as a first order reaction?
Radioactivity is the disintegration of the substance by its own. This means disintegration depends only on one reactant concentration i.e.,on itself. So this is a first order reaction.
If the order of a chemical reaction with respect to one of its reactants is zero how does that reactant's concentration affect the rate of the chemical reaction?
It doesn't - the reaction rate will not change regardless of how much of that reactant is added. That's the definition of zero-order.
If you need to reverse the following reaction in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of rea?
286 kJ
What is the relationship between concentration and reaction rate?
In general (but not always), the reaction rate will increase with increasing concentrations. If the reaction is zero order with respect to that substance, then the rate will not change.
If you need to reverse the following reaction and multiply it by 2 in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of reaction you?
572 kJ (just multiply like you would in algebra)
What is recombination of chemical elements?
it is when a reaction occurs and elements are "taken" apart and put in a new order to create a new substance.
When a certain 2 digit number is added to another two digit number having the same digits in reverse order?
88
