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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.
A chemical reaction is the change that takes place when two or more substances?
A chemical reaction is the process in which two or more substances interact to form new substances with different chemical properties. This process involves breaking and forming chemical bonds.
Two chemicals start to bubble when mixed This show is us a chemical reaction occurring?
When two chemicals bubble upon mixing, it typically indicates a chemical reaction is taking place. The formation of gas bubbles usually suggests a release of gas as a product of the reaction. This observable change is a common indicator of a chemical transformation.
Bubbling present during a chemical reaction is evidence of what?
Bubbling present during a chemical reaction is evidence of a gas being produced. The formation of gas bubbles indicates that a chemical change is taking place, often as a result of a reaction between two or more substances.
What shows changes that take place during a chemical reaction?
Evidence of a chemical reaction includes color change, formation of precipitate, evolution of gas, and changes in temperature. These changes can indicate that new substances are being formed through the rearrangement of atoms.
Explain how wood burning in a fire place undergoes a chemical change?
Burning is an oxydation reaction so a chemical change.
Do you think a chemical reaction has taken place Can you explain your reasoning behind your conclusion?
Yes, a chemical reaction has likely taken place if there is a change in the chemical composition of the substances involved. This can be observed through the formation of new substances, changes in color, temperature, or the release of gas. These are all indicators that a chemical reaction has occurred.
What a chemical reaction mean?
A chemical reaction is; when there is a chemical change taking place from energy or shifting of molecular structure.
What type of reaction take place in rancidity?
chemical reaction takes place in rancidity
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.
What determine whether a reaction took place?
Use the following equation: delta G = delta H - T*deltaS. A reaction is spontaneous if delta G is negative. A reaction will always be spontaneous (under any temperature) only if the change in enthalpy (delta H) is negative and the change in entropy (delta S) is positive. If this is not the case, the reaction will only be spontaneous (negative delta G) for a range of temperatures (or could be always non-spontaneous)
What chemical reaction is taking place in the green organelles in plant cells?
This chemical reaction is called photosynthesis.
What is meant by thermodynamics of a chemical reaction?
It refers to the energy changes that take place during a chemical reaction.
What reaction will take place with baking soda and vinegar?
a chemical reaction..
What are the ending materials in a chemical reaction called?
The ending materials in a chemical reaction are called products. These are the substances that are formed as a result of the chemical reaction taking place.
What Are Clues That A Chemical Reaction That A Chemical Reaction May Have Taken Place?
formation of a solid and release of heat. apex
What is the products of a chemical reaction?
The products of a chemical reaction are the substances that are formed as a result of the reaction taking place. These products can be different compounds or elements from the reactants that were present before the reaction occurred.
