A physical change is defined as a change in which there is alteration in shape, size etc. No new substance gets formed in these reactions. Example: melting of ice
A chemical change is defined as a change in which a change in chemical composition takes place. A new substance is formed in these reactions. Example: Combustion
As the sugar cubes dissolves into a container of warm water, it only changes its state from solid to aqueous and no new substances are being formed. Thus it is a physical change.
Answer:This is the full equation for the reaction if you wanted to know: ... A physical change in a substance doesn't change what the substance is. ... when cooled and then can be returned to a liquid form when heated.
I’m almost positive it’s C cause speed is very common within predator, and prey species predators to catch the prey and prey to try and survive the predators.
Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.