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What are two ways that heat can be involved in a chemical change?
Heat can be involved in a chemical change as a reactant or a product. As a reactant, heat can provide the energy needed to break bonds in the reactants, initiating the chemical reaction. As a product, heat is released during an exothermic reaction where the bonds formed in the products are stronger than the bonds broken in the reactants.
What are the ways that heat takes part in a chemical changes?
Heat can be involved in a chemical reaction that is endothermic(absorbs heat) or that is exothermic(releases heat)
What two ways is energy involved in a chemical reaction?
When a chemical change occurs, there are two types of ways heat can be involved. In an endothermic reaction, more heat enters the reaction than leaves. In an exothermic reaction, more heat leaves the reaction than enters.
What are 3 ways you know a chemical change has taken place?
Three signs of a chemical reaction include the release or absorption of heat, a change in color, and the creation of a gas or a precipitate.
How would you determine if a chemical change has occurred?
You can determine if a chemical change has occurred by looking for signs such as a change in color, formation of a precipitate, evolution of gas, or release of heat or light. Additionally, if the chemical composition of the substance has been altered, it is likely that a chemical change has taken place.
What are the ways rates of chemical change can be changed?
Rate of chemical change can be altered by 1. Changing the temperature. 2. Changing the pressure (if gases are involved). 3. Changing the particle size of a solid reactant. 4. Changing the concentration of a dissolved reactant. 5. Adding a suitable catalyst.
What are ways heat can change matter?
If you add heat to matter, it can either get it hotter, or it can change the state of matter (for example, from solid to liquid).
Some ways that density can change?
Pressure Temperature Changes in the molecular structure(chemical change)
What are four ways to detect that chemical change has occurred?
A chemical change occure when one or more substance are changed in to new substances that have different properties
Digestion occurs through both mechanical and chemical ways what is involved directly in mechanical digestion?
teeth
What is the same about physical changes and chemical changes?
they both change in same ways!
What are three ways to prevent chemical change?
so no distraction and no wasting of things
