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In a chemical reaction the reactants contain 385 kJ of chemical energy and the products contain 366 kJ of chemical energy?
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How do chemical reaction change substances?
After a chemical reaction, some of the bonds have been broken, and some new bonds have been formed. So, that's how a substance is changed after the reaction.
Chemical equation has how many parts?
Most chemical equations have a few standard elements (no pun intended). There are the reactants on the left side, the arrow showing the direction of the reaction, and the products on the right side. Sometimes, properties of the reaction such as the enthalpy is shown after the equation. Often times, especially in organic chemistry, there will be other compounds or parameters written above and/or below the reaction arrow to indicate what chemicals were needed to make the reaction occur.
What does a chemical equation have?
It contain the chemical formula of the specified compounds (reactants and final products), it contains the chemical proportions of a compound (coefficients).
Does a catabolic reaction absorb or require energy?
A reaction is endergonic when it requires a net input of energy; if the products contain more energy than the reactants. So, no an endergonic reaction takes in energy. An exergonic reaction releases energy. In an exergonic reaction, the reactants contain more energy than the products.
How is an exothermic reaction indicated in an eq?
heat is included as one of the products cause : a-p-e-x quiz !
How do the reactants of a chemical reaction differ from the products of the same reaction?
They contain different combinations of particles.
What information does chemical information contain?
the reactants and products. reactants=what compounds or elements are reacting products= what compounds or elements are produced from the reaction
What must be true about the properties of the reactants and the properties of the products in a chemical reaction?
The reactants and the products must contain the same numbers of the same types of atoms, that is, atoms with the same atomic number, and either the products must contain at least one type of chemical bond distinct from any chemical bond in the reactants or the reactants must contain at least one type of chemical bond not found in the products.
How do chemical reaction change substances?
After a chemical reaction, some of the bonds have been broken, and some new bonds have been formed. So, that's how a substance is changed after the reaction.
When looking at a chemical reaction how do you know what the reactants and products are?
In an equation the reactants are the on the left of the arrow, and the products are on the right. For example if you had the following equation: 2H2 + O2 => 2H2O 2H and O will be the reactants and H2O is the product.
If one reactants of the in a reaction is Na2O what is known about the products?
The products will contain the elements Na and O.
Why are the properties of reactants different from that of products?
The products of a chemical reaction have different properties than the reactant because they underwent a chemical change by definition of a chemical reaction. The products are new combinations atoms forming different molecules.
Chemical equation has how many parts?
Most chemical equations have a few standard elements (no pun intended). There are the reactants on the left side, the arrow showing the direction of the reaction, and the products on the right side. Sometimes, properties of the reaction such as the enthalpy is shown after the equation. Often times, especially in organic chemistry, there will be other compounds or parameters written above and/or below the reaction arrow to indicate what chemicals were needed to make the reaction occur.
What does a chemical equation have?
It contain the chemical formula of the specified compounds (reactants and final products), it contains the chemical proportions of a compound (coefficients).
Select the skeleton equation?
A skeleton equation in chemistry contains obviously the abbreviations of the elements you are being asked to represent. it may contain the exponents also known as subscripts but it does not include coefficients.
Does a catabolic reaction absorb or require energy?
A reaction is endergonic when it requires a net input of energy; if the products contain more energy than the reactants. So, no an endergonic reaction takes in energy. An exergonic reaction releases energy. In an exergonic reaction, the reactants contain more energy than the products.
Can hydrogen react with sulphuric acid to produce carbon dioxide?
No: Hydrogen and sulphuric acid do not contain the element carbon, and no chemical reaction can have any element as part of the products that was not present in at least one of the reactants.
