Chemistry Atoms First2e2nd EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172647
Chemistry Atoms First2e
Solutions for Chemistry Atoms First2e
Problem 1E:
In the following drawing, the green spheres represent atoms of a certain element. The purple spheres...Problem 2E:
Which postulate of Dalton’s theory is consistent with the following observation concerning the...Problem 3E:
Identify the postulate of Dalton’s theory that is violated by the following observations: 59.95% of...Problem 4E:
Samples of compound X, Y, and Z are analyzed, with results shown here. Compound Description Mass of...Problem 5E:
The existence of isotopes violates one of the original ideas of Dalton’s atomic theory. Which one?Problem 8E:
Predict and test the behavior of a particles fired at a plum pudding model atom. (a) Predict the...Problem 9E:
Predict and test the behavior of a particles fired at a Rutherford atom model. (a) Predict the paths...Problem 10E:
In what way are isotopes of a given element always different? In what way(s) are they always the...Problem 11E:
Write the symbol for each of the following ions: the ion with a 1+ charge, atomic number 55, and...Problem 12E:
Write the symbol for each of the following ions: the ion with a 3+ charge, 28 electrons, and a mass...Problem 13E:
Open the Build an Atom simulation (http://openstax.org/l/16PhetAtomBld) and click on the Atom Icon....Problem 14E:
Open the Build an Atom simulation (http://openstax.org/l/16PhetAtomBld) (a) Drag protons, neutrons,...Problem 15E:
Open the Build an Atom simulation (http://openstax.org/l/16PhetAtomBld) (a) Drag protons, neutrons,...Problem 16E:
Determine the number of protons, neutrons, and electrons in the following isotopes that are used in...Problem 17E:
The following are properties of isotopes of two elements that are essential in our diet. Determine...Problem 18E:
Give the number of protons, electrons, and neutrons in neutral atoms of each of the following...Problem 19E:
Give the number of protons, electrons, and neutrons in neutral atoms of each of the following...Problem 20E:
Click on the site (http://openstax.org/l/16PhetAtomMass) and select the Mix Isotopes tab, hide the...Problem 21E:
Click on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the Mix Isotopes tab,...Problem 22E:
An element has the following natural abundances and isotopic masses: 90.92% abundance with 19.99...Problem 23E:
Average atomic masses listed by JUPAC are based on a study of experimental results. Bromine has two...Problem 24E:
Variations in average atomic mass may be observed for elements obtained from different sources....Problem 25E:
The average atomic masses of some elements may vary, depending upon the sources of their ores....Problem 26E:
The 18O:16O abundance ratio in some meteorites is greater than that used to calculate the average...Problem 27E:
Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen...Problem 28E:
Explain why the symbol for the element sulfur and the formula for a molecule of sulfur differ.Problem 31E:
Determine the empirical formulas for the following compounds: (a) caffeine, C8H10N4O2 (b) fructose,...Problem 32E:
Determine the empirical formulas for the following compounds: (a) acetic acid, C2H4O2 (b) citric...Problem 34E:
Open the Build a Molecule simulation (http://openstax.org/M16molbuilding) and select the Larger...Problem 35E:
Use the Build a Molecule simulation (http://openstax.orgII/16m01buiIding) to repeat Exercise 2.34,...Problem 36E:
Use the Build a Molecule simulation (http://openstax.org/l/16molbuilding) to repeat Exercise 2.34....Problem 37E:
Write a sentence that describes how to determine the number of moles of a compound in a known mass...Problem 38E:
Compare 1 mole of H2, 1 mole of o2, and 1 mole of F2. (a) Which has the largest number of molecules?...Problem 39E:
Which contains the greatest mass of oxygen: 0.75 mol of ethanol (C2H5OH),0.60mol of formic acid...Problem 40E:
Which contains the greatest number of moles of oxygen atoms: 1 mol of ethanol (C2H5OH),1mol of...Problem 41E:
How are the molecular mass and the molar mass of a compound similar and how are they different?Problem 42E:
Calculate the molar mass of each of the following compounds: (a) hydrogenfluoride,HF (b) ammonia,NH3...Problem 43E:
Calculate the molar mass of each of the following: (a) S8 (b) C5H12 (c) Sc2(SO4)3 (d)...Problem 44E:
Calculate the empirical or molecular formula mass and the molar mass of each of the following...Problem 45E:
Calculate the molar mass of each of the following: (a) theanesthetichalothane,C2HBrC13 (b)...Problem 46E:
Determine the number of moles of compound and the number of moles of each type of atom in each of...Problem 47E:
Determine the mass of each of the following: (a) 0.0146molKOH (b) 10.2molethane,C2H6 (c) molNa2SO4...Problem 48E:
Determine the number of moles of the compound and determine the number of moles of each type of atom...Problem 49E:
Determine the mass of each of the following: (a) 2.345molLiC1 (b) 0.0872molacetylene,C2H2 (c)...Problem 50E:
The approximate minimum daily dietary requirement of the amino acid leucine, C6H13NO2,is1.1g. What...Problem 51E:
Determine the mass in grams of each of the following: (a) 0.600 mol of oxygen atoms (b) 0.600 mol of...Problem 52E:
A 55-kg woman has 7.5103 mol of hemoglobin ( molarmass=64,456g/mol ) in her blood. How many...Problem 53E:
Determine the number of atoms and the mass of zirconium, silicon, and oxygen found in...Problem 56E:
Diamond is one form of elemental carbon. An engagement ring contains a diamond weighing...Problem 57E:
The Cullinan diamond was the largest natural diamond ever found (January 25, 1905). It weighed 3104...Problem 58E:
One 53-gram serving of a particular cereal supplies 270 mg of sodium, 11% of the recommended daily...Problem 59E:
A certain nut crunch cereal contains 11.0 grams of sugar (sucrose,C12H22O11) per serving size of...Browse All Chapters of This Textbook
Chapter 1 - Essential IdeasChapter 2 - Atoms, Molecules, And IonsChapter 3 - Electronic Structure And Periodic Properties Of ElementsChapter 4 - Chemical Bonding And Molecular GeometryChapter 5 - Advanced Theories Of BondingChapter 6 - Composition Of Substances And SolutionsChapter 7 - Stoichiometry Of Chemical ReactionsChapter 8 - GasesChapter 9 - ThermochemistryChapter 10 - Liquids And Solids
Chapter 11 - Solutions And ColloidsChapter 12 - ThermodynamicsChapter 13 - Fundamental Equilibrium ConceptsChapter 14 - Acid-base EquilibriaChapter 15 - Equilibria Of Other Reaction ClassesChapter 16 - ElectrochemistryChapter 17 - KineticsChapter 18 - Representative Metals, Metalloids, And NonmetalsChapter 19 - Transition Metals And Coordination ChemistryChapter 20 - Nuclear ChemistryChapter 21 - Organic Chemistry
Sample Solutions for this Textbook
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More Editions of This Book
Corresponding editions of this textbook are also available below:
CHEMISTRY: ATOMS FIRST
18th Edition
ISBN: 9781947172180
Chemistry: Atoms First
1st Edition
ISBN: 9781630182151
Chemistry: Atoms First
18th Edition
ISBN: 9781938168154
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