0
What else can I help you with?
Does the conservation of mass change if a chemical change occurs?
No, the conservation of mass states that mass is neither created nor destroyed in a chemical reaction. The total mass of the reactants must equal the total mass of the products, regardless of the type of reaction occurring.
When balancing a chemical equation one must never change the?
When balancing a chemical equation, you must never change the chemical formulas of the substances involved. You can only adjust the coefficients in front of the compounds to ensure the number of each type of atom is the same on both the reactant and product sides.
How might a thermometer help you decide if there was any chemical change on mixing iron and charcoal?
For a chemical change to occur, there must be a chemical reaction. A chemical reaction would be either endothermic (uses energy, mostly heat), or exothermic (produces energy, again mostly heat). Any change in temperature of the reactants, as measured by a thermometer, will tell you not only ifa chemical reaction occurred, but also which kind of chemical reaction. No temperature change usually indicates that no reaction has occurred, a decrease in temperature would indicate an endothermic reaction, while an increase in temperature would indicate an exothermic reaction.
What important physical change must fats undergo before chemical change can take place?
Fats must undergo melting or dissolving to break down into smaller molecules for chemical changes to take place. This physical change allows the fat molecules to interact more readily with other substances during chemical reactions.
Select the statement that makes the following statement TRUE - When a new chemical is introduced to the work area or if chemical handling requirements change you must contact the sites Environmental?
When a new chemical is introduced to the work area or if chemical handling requirements change, you must contact the site's environmental health and safety officer for guidance and to ensure compliance with regulations.
What must happen for you to be able to observe an objects chemical properties?
only when a change occurs and a new substance is formed
What must happen for you to be able. to observe an objects chemical properties?
only when a change occurs and a new substance is formed
In a chemical reaction the reaction must do what?
The reaction must change the chemical nature of reactants.
What has to happen for a chemical change to happen?
At least 2 of the reactants must change their chemical formula.
Does the conservation of mass change if a chemical change occurs?
No, the conservation of mass states that mass is neither created nor destroyed in a chemical reaction. The total mass of the reactants must equal the total mass of the products, regardless of the type of reaction occurring.
When a physical change in a sample occurs which does not change?
Substance in the material Remain the same
What kind of change must occur for an element to be removed from its compound?
a chemical change
What must a occur for a change to be a chemical reaction?
The answer choices weren't provided. There must be a change in chemical properties for a change to be considered a chemical reaction.
Why is food darkening a chemical change?
This darkening involve chemical reactions.
Is hardness a change in chemical property?
There are many different possible property changes in a chemical change. You must post the specific reaction for anyone to tell you exactly.
Is beating a egg a physical change or chemical?
beating an egg is aphysical change because in order to have a chemical change, heat or some other chemical must be involed. so yes, beating an eggis a physical change
What Mineral must be?
a mineral is defined as any inorganic substance that occurs in nature and has a definite chemical composition.
