0
What else can I help you with?
Is fertilizing a lawn a chemical or physical change?
chemical change
What are the differences between physical and chemical changes?
Well, a physical change is a change in how something looks/ seems. For example, a metal box would go through a physical change if pounded on with a hammer. A chemical change is a change in molecular formula that you can NOT see. For example, there is CH2. If this became CH for some reason, it would be a change in the formula structure, a change yuo cannnot see.
Is temperature a chemical change?
No, temperature is not a chemical change. Temperature is a measure of the average kinetic energy of particles in a substance and does not involve the rearrangement of atoms or formation of new substances.
Is smoking a cigerrette a physical change?
It is a chemical change, even though the cigarette is getting physically smaller. When heat is added and you inhale the chemicals, the cigarette burns and you blow out smoke which in itself is a chemical reaction that cannot be reversed. Therefore, it's purely chemical. Remember that chemical changes cannot be reversed and physical changes can. Freezing water and then melting it is an example of a physical change. The example you mentioned is a chemical change. Hope this helps! - D.F
Is crushing a pill a physical change or chemical change?
Well you can't put it back together after it's been crushed, so it's a chemical change!
Is tarnisha physical change or chemical change?
Well it could either be a physical change OR a chemical change. .
What is an example of an irreversible chemical change?
Cutting down a tree. shredding of paper as well as same of the irreversible change
What forms a chemical?
A chemical can be defined as a substance with well defined properties. There are a number of different types of chemicals. Every element is a chemical. Every compound is also a chemical. And even a mixture of elements and/or compounds is also a chemical (it might also be described as a mixture of chemicals).
What property is flammability of a substance?
Flammability is an example of the chemical property.
When dynamite explodes is it an example of chemical change?
Yes, when dynamite explodes, it is an example of a chemical change. The chemical bonds within the dynamite molecules are broken and reformed during the explosion, resulting in the release of energy and the formation of new chemical compounds.
Is fertilizing a lawn a chemical or physical change?
chemical change
What are the differences between physical and chemical changes?
Well, a physical change is a change in how something looks/ seems. For example, a metal box would go through a physical change if pounded on with a hammer. A chemical change is a change in molecular formula that you can NOT see. For example, there is CH2. If this became CH for some reason, it would be a change in the formula structure, a change yuo cannnot see.
What is true for a physical change as well as a chemical change?
A chemical has changed appearance in both a physical and chemical change. It cannot stay the same or it wouldn't have changed.
What scientific activities are part of your daily life?
Well, it can be many things .. For example, cooking. When you heat the food a chemical change occurs within the food.
Are there observable similarities between physical and chemical change?
Well obviously, a physical change and a chemical change both envolve changing of state
Is the set of big people well defined or not?
No, it is not well defined. "Big" means different things to different people. For example, to a toddler, a teenager is big, to an adult a teenager is not.
Is temperature a chemical change?
No, temperature is not a chemical change. Temperature is a measure of the average kinetic energy of particles in a substance and does not involve the rearrangement of atoms or formation of new substances.
