In each of the situations below, it seems that a new substance may have been produced. Explain why each situation represents a physical change. (a) A tailor makes a new suit out of a piece of fabric. (b) A chef makes a salad out of lettuce, tomatoes, and cucumbers. (c) A mechanic builds a boat engine out of a lawnmower. (d) A chemist boils salt water until only salt crystals are left. (e) A child makes juice by adding water to juice concentrate.
In each of the situations below, it seems that a new substance may have been produced. Explain why each situation represents a physical change. (a) A tailor makes a new suit out of a piece of fabric. (b) A chef makes a salad out of lettuce, tomatoes, and cucumbers. (c) A mechanic builds a boat engine out of a lawnmower. (d) A chemist boils salt water until only salt crystals are left. (e) A child makes juice by adding water to juice concentrate.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 15QRT
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In each of the situations below, it seems that a new substance may have been produced. Explain why each situation represents a physical change.
(a) A tailor makes a new suit out of a piece of fabric.
(b) A chef makes a salad out of lettuce, tomatoes, and cucumbers.
(c) A mechanic builds a boat engine out of a lawnmower.
(d) A chemist boils salt water until only salt crystals are left. (e) A child makes juice by adding water to juice concentrate.
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