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Is freezing carbon dioxide a chemical change or physical change?
Frozen carbon dioxide is still carbon dioxide, so it is a physical change.
How does the temperature change when baking soda and vinegar are combined?
When baking soda and vinegar are combined, a chemical reaction occurs that produces carbon dioxide gas. This gas creates bubbles in the mixture, causing it to expand and rise. The temperature of the mixture may slightly increase due to the reaction, but it is not a significant change.
Is burning a match a physical change?
Yes, burning a match is considered a chemical change because it involves a chemical reaction that changes the composition of the matchstick and produces new substances like ash, carbon dioxide, and water vapor. This is different from physical changes, which do not alter the chemical composition of a substance.
What is the sublimation of carbon dioxide a chemical property or chemical change?
The sublimation of carbon dioxide is a physical change, not a chemical property or change. Sublimation is the process in which a substance transitions directly from a solid to a gas without going through the liquid phase, and it does not involve any change in the chemical composition of the substance.
Burning coal produces which gas?
Burning coal in complete combustion of oxygen produces carbon-dioxide where as burning coal in limted amount of oxygen produces carbon-monoxide.
Is it physical or chemical change when acid on limestone produces carbon dioxide gas?
It is a chemical change.
When Acid is placed into limestone and produces carbon dioxide gas is this a physical or a chemical change?
This is a chemical change.
Is its a physical change when water and sand is combined?
Mixing is a physical change.
Is freezing carbon dioxide a chemical change or physical change?
Frozen carbon dioxide is still carbon dioxide, so it is a physical change.
How does the temperature change when baking soda and vinegar are combined?
When baking soda and vinegar are combined, a chemical reaction occurs that produces carbon dioxide gas. This gas creates bubbles in the mixture, causing it to expand and rise. The temperature of the mixture may slightly increase due to the reaction, but it is not a significant change.
Is mixing yeast and sugar chemical or physical change?
Mixing yeast and sugar is a physical change, as the yeast and sugar molecules remain the same even though they are combined. A chemical change would occur if the yeast and sugar reacted together to produce a different substance, such as carbon dioxide during fermentation.
Is warm water and yeast a chemical or physical change?
The mixing of warm water and yeast to create a chemical reaction that produces carbon dioxide gas is a chemical change. This is because the combination of the water and yeast results in the formation of new substances with different properties (gas bubbles).
When acid on limestone produces carbon dioxide gas what change is this?
This a chemical reaction.
Is combustion of a fuel that produces carbon dioxide an example of a chemical change?
Yes, combustion of a fuel that produces carbon dioxide is an example of a chemical change. In this process, the chemical composition of the fuel undergoes a change as it reacts with oxygen to form carbon dioxide and release energy.
Is burning of wax chemical or physical change?
it is a chemical change because it produces gases
When do the physical and chemical properties change?
Physical and chemical properties change as the result of a chemical change, which produces new products with different physical and chemical properties than the reactants.
When carbon dioxide comes from the fuel of the car is it a physical or chemical change?
chemical change
