WebExample #2 is part of a conversation I am having at the moment. Dissolving salt in water is a commonly used example of a physical change, but when you dissolve salt (NaCl) in water (H 2 O), you get sodium ions (Na+) and … WebJun 15, 2011 · Is Grass growing on a lawn a physical change or chemical? I would say a little of both. The consistensy of what grass is made of doesn't change,it enlarges, so it …
What do these two changes have in common? snails growing
WebAug 13, 2024 · Cutting the grass or pulverizing a rock would be other irreversible physical changes. Firewood also represents an irreversible physical change since the pieces cannot be put back together to form the tree. Figure 10.4. 2: Firewood being cut is a physical change because the composition doesn't change when being cut. Chemical … WebIs grass growing a physical or chemical change? Physical Change: A physical change results in the alteration of the form of a substance but not it's chemical composition. … crystal films fight
Physical or Chemical Changes Chemistry Quiz - Quizizz
WebJun 30, 2024 · A Physical Change Explanation: A chemical change will change the nature of the substances (things like bonding) but this does not happen when you cut your hair. Even though it may be irreversible, the hair that is cut off is still composed of the same molecules as before. Answer link WebDec 14, 2010 · No, the formation of dew is condensation, which is a physical change. Is dew disapearing from grass a chemical change? not really, more like evaporation of water molecules. which isn't necessarily ... WebMar 10, 2024 · After growing, the grass can’t shrink, so that is another reason growing on any scale is considered a chemical change. However, if you, for example, get a lawn … dwayne johnson people magazine