t0a compound cannot be atoms. 2.7 Can the relative amounts of the components of a mixture vary? Can the relative amounts of the components of a compound vary? Explain. a Problems in Context 2.8 The tap water found in many areas of the United States leaves white deposits when it evaporates. Is this tap water a mixture or a compound? Explain.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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= 35.45 amu + (3 × 19.00 amu) = 92.45 amu
ass of S)
D0 amu)
E and
(c) Baking powder, a leavening agent, contains 26-30% sodium hy-
drogen carbonate and 30-35% calcium dihydrogen phosphate by mass.
(d) Cytosine, a component of DNA, consists of H, C, N, and O
atoms bonded in a specific arrangement.
ctions
mple
Iding
Prob-
nate-
2.4 Classify each substance in Problem 2.3 as an element, com-
pound, or mixture, and explain your answers.
2.5 Explain the following statement: The smallest particles unique
to an element may be atoms or molecules.
2.6 Explain the following statement: The smallest particles unique
toa compound cannot be atoms.
2.7 Can the relative amounts of the components of a mixture
vary? Can the relative amounts of the components of a compound
vary? Explain.
a
Problems in Context
2.8 The tap water found in many areas of the United States leaves
white deposits when it evaporates. Is this tap water a mixture or a
compound? Explain.
Transcribed Image Text:= 35.45 amu + (3 × 19.00 amu) = 92.45 amu ass of S) D0 amu) E and (c) Baking powder, a leavening agent, contains 26-30% sodium hy- drogen carbonate and 30-35% calcium dihydrogen phosphate by mass. (d) Cytosine, a component of DNA, consists of H, C, N, and O atoms bonded in a specific arrangement. ctions mple Iding Prob- nate- 2.4 Classify each substance in Problem 2.3 as an element, com- pound, or mixture, and explain your answers. 2.5 Explain the following statement: The smallest particles unique to an element may be atoms or molecules. 2.6 Explain the following statement: The smallest particles unique toa compound cannot be atoms. 2.7 Can the relative amounts of the components of a mixture vary? Can the relative amounts of the components of a compound vary? Explain. a Problems in Context 2.8 The tap water found in many areas of the United States leaves white deposits when it evaporates. Is this tap water a mixture or a compound? Explain.
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