Match the key terms with the following descriptions. (a) a measure of the quantity of matter (b) a characteristic of a substance involving the possible transformations that the substance can undergo to produce a new substance (c) a combination of two or more substances that can be separated by physical means (d) a pure substance that cannot be broken down into simpler stable substances in a chemical reaction (e) �le capacity to do work or to transfer heat (f) a characteristic of a substance that can be observed without changing its composition (g) �le physical state in which matter has no characteristic shape but takes the shape of the �lled portion of its container (h) the ratio of the mass of a substance to its volume (i) a mixture with uniform composition (j) �le physical state of matter Characterized by a �xed shape and low compressibility
Match the key terms with the following descriptions. (a) a measure of the quantity of matter (b) a characteristic of a substance involving the possible transformations that the substance can undergo to produce a new substance (c) a combination of two or more substances that can be separated by physical means (d) a pure substance that cannot be broken down into simpler stable substances in a chemical reaction (e) �le capacity to do work or to transfer heat (f) a characteristic of a substance that can be observed without changing its composition (g) �le physical state in which matter has no characteristic shape but takes the shape of the �lled portion of its container (h) the ratio of the mass of a substance to its volume (i) a mixture with uniform composition (j) �le physical state of matter Characterized by a �xed shape and low compressibility
Solution Summary: The author explains the definition of a substance's physical property, which is the ability to do work or transfer heat, and how it can be measured without altering its composition.
Match the key terms with the following descriptions.
(a) a measure of the quantity of matter
(b) a characteristic of a substance involving the possible transformations that the substance can undergo to produce a new substance
(c) a combination of two or more substances that can be separated by physical means
(d) a pure substance that cannot be broken down into simpler stable substances in a chemical reaction
(e) �le capacity to do work or to transfer heat
(f) a characteristic of a substance that can be observed without changing its composition
(g) �le physical state in which matter has no characteristic shape but takes the shape of the �lled portion of its container
(h) the ratio of the mass of a substance to its volume
(i) a mixture with uniform composition
(j) �le physical state of matter Characterized by a �xed shape and low compressibility
Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Imagine a container placed in a tub of water, as depicted inthe accompanying diagram. (a) If the contents of the containerare the system and heat is able to flow through thecontainer walls, what qualitative changes will occur in thetemperatures of the system and in its surroundings? From thesystem’s perspective, is the process exothermic or endothermic?(b) If neither the volume nor the pressure of the systemchanges during the process, how is the change in internal energyrelated to the change in enthalpy?
6. Match each term on the left with the most appropriate
description on the right. Ku
(a) pure substance
(b) mixture
(i) two or more substances
(ii) a substance made from only
one kind of particle
(iii) substances in two different
phases that do not settle out
(iv) one substance dissolved in
(c) solution
(d) suspension
another substance
Is the solution of ammonium chloride in water an exothermic or endothermic process.
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What are CHNOPS? These Chemical Elements = 98% of Life | Biology | Biochemistry; Author: Socratica;https://www.youtube.com/watch?v=w90wFlR53VM;License: Standard YouTube License, CC-BY