an element
Substances initially present in a chemical reaction that are consumed during the reaction or a substance that participates in a chemical reaction, esp a substance that is present at the start of the reaction while the end product of some chemical reactions yield products.
Because chemical bonds are not formed or broken by a phase change.
A reaction that emmits heat is called an exothermic reaction .
chemical. when a reaction is undertaken that changes the structure of a substance and creates a new substance it is a chemical reaction. a gas is created during the reaction and a new chemical compound (sodium acetate) is left behind leaving neither of the previous elements present.
Not necessarily. Things sometimes change colors during a chemical reaction, but a color change is not sufficient evidence of a chemical reaction. You can add drink mix to water and the water turns colors, but it is not a chemical reaction, just a mixture.
The atoms involved in a chemical reaction have their bonds broken, new bonds formed, or existing bonds rearranged depending on the reaction type.
The original substances are transformed during a chemical reaction a new substance (compound) is obtained.
That would be the product of the chemical reaction.
Substances initially present in a chemical reaction that are consumed during the reaction or a substance that participates in a chemical reaction, esp a substance that is present at the start of the reaction while the end product of some chemical reactions yield products.
a catalyst
products
chemical bond
product
Because chemical bonds are not formed or broken by a phase change.
The new substance(s) formed during a chemical reaction will appear to the right of the "yield" arrow in an equation. This/these is/are the product(s) of the reaction.
You think probable to the reactants.
You think probable to the reactants.