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How does a chemical equation show that a chemical reaction has occurred?
A chemical equation shows that chemical reaction has occurred as new substances have been formed from the reagents. A chemical equation has two sides before reaction and after reaction, if there is any change from the before reaction side to the after reaction side, it indicates that a chemical reaction has just occurred.
Is flammability a physical property or a chemical property?
chemical property.Flammability is a chemical property (reaction with oxygen=oxydation).
Which action forms a different chemical substance?
Any chemical reaction produce a new substance.
What is the speed at which a reaction occurs called?
The chemical term is reaction rate.
What are the two attributes of a catalyst?
A catalyst must change the rate of a chemical reaction. It must be unchanged at the end of the reaction.
What evidence of chemical reaction would be seen when burning a match?
Burning is a chemical reaction (oxidation).
What observations give evidence that chemical reaction has happen?
No
What evidence of a chemical reaction is shown in the photo?
lol what photo
What changes gives NO evidence that a chemical reaction has taken place?
Changes such as a change in state (solid to liquid), change in color, change in odor, change in solubility, or change in temperature do not provide direct evidence that a chemical reaction has occurred. These changes can be indicative of a physical change rather than a chemical change. To confirm a chemical reaction, additional evidence such as the formation of new substances, evolution of gas, or consumption of reactants is necessary.
What evidence is there to show that a chemical reaction has taken place when an egg is cooked?
The change in color indicates that a chemical reaction has taken place.
How can you know this is a chemical reaction?
Evidence of a chemical reaction include the following: formation of a precipitate formation of a gas change in temperature change in color
What are the 6 types of stoichiometry problems?
Mass-mass stoichiometry: involves converting the mass of one substance to the mass of another in a chemical reaction. Volume-volume stoichiometry: involves converting the volume of one substance to the volume of another in a chemical reaction. Mass-volume stoichiometry: involves converting the mass of one substance to the volume of another in a chemical reaction. Limiting reactant stoichiometry: involves determining which reactant limits the amount of product formed in a chemical reaction. Percent yield stoichiometry: involves calculating the efficiency of a chemical reaction by comparing the actual yield to the theoretical yield. Excess reactant stoichiometry: involves calculating the amount of reactant left over after a chemical reaction is complete.
How does conversion reaction chemistry play a role in the transformation of substances during a chemical reaction?
Conversion reaction chemistry involves the transformation of substances during a chemical reaction by changing their chemical composition. This process plays a crucial role in converting reactants into products by rearranging atoms and forming new chemical bonds.
What evidence in chemical reaction in mole?
Mole is the the unit for amount of substance in SI.
What evidence of a chemical reaction might you see by rusting of an iron nail?
oxidation
What would not be evidence that a chemical reaction has occurred in a container?
a perfectly claen container
What is usually evident of a formation of a precipitate?
Formation of a precipitate is evidence of a chemical reaction.
