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Please answer 6 Part A and B

Please answer 6 Part A and B

Chemistry
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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Please answer 6 Part A and B

гепоат с тарте Consider two different compounds of carbon and oxygen: carbon dioxide, CO2, and carbon monoxide, CO. The number of oxygen atoms per carbon atom in CO2 is double the number of oxygen atoms per carbon atom in CO. So we can predict that the mass of oxygen per gram of carbon in CO2 is double the mass of oxygen per gram of carbon in CO. And, in fact, if other carbon-oxygen compounds existed, we could predict small, whole- number ratios for the masses of oxygen per gram of carbon in all of them. This is exactly what John Dalton predicted for compounds using his atomic theory of matter. It came to be known as the law of multiple proportions. Part A There are two different compounds of sulfur and fluorine. • In SF6, the mass of fluorine per gram of sulfur is 3.55 g F/g S. In the other compound, SFx, the mass of fluorine per gram of sulfur is 1.18 g F/g S. What is the value of X for the second compound? Express your answer as an integer. • View Available Hint(s) X = Before the mole The law of multiple proportions predates the concept of a mole or molar mass. Thus, scientists like John Dalton could only determine the relative amounts of each type of atom in a formula, and not the exact formula. For example, Dalton could determine that there were two carbon-oxygen compounds, one with twice as much oxygen as the other. However, he did not know for sure that the formulas were CO and CO2. Other possibilities (given what they knew at the time) could have been СО and C2O2, or COz and CО4, etc.
Transcribed Image Text:гепоат с тарте Consider two different compounds of carbon and oxygen: carbon dioxide, CO2, and carbon monoxide, CO. The number of oxygen atoms per carbon atom in CO2 is double the number of oxygen atoms per carbon atom in CO. So we can predict that the mass of oxygen per gram of carbon in CO2 is double the mass of oxygen per gram of carbon in CO. And, in fact, if other carbon-oxygen compounds existed, we could predict small, whole- number ratios for the masses of oxygen per gram of carbon in all of them. This is exactly what John Dalton predicted for compounds using his atomic theory of matter. It came to be known as the law of multiple proportions. Part A There are two different compounds of sulfur and fluorine. • In SF6, the mass of fluorine per gram of sulfur is 3.55 g F/g S. In the other compound, SFx, the mass of fluorine per gram of sulfur is 1.18 g F/g S. What is the value of X for the second compound? Express your answer as an integer. • View Available Hint(s) X = Before the mole The law of multiple proportions predates the concept of a mole or molar mass. Thus, scientists like John Dalton could only determine the relative amounts of each type of atom in a formula, and not the exact formula. For example, Dalton could determine that there were two carbon-oxygen compounds, one with twice as much oxygen as the other. However, he did not know for sure that the formulas were CO and CO2. Other possibilities (given what they knew at the time) could have been СО and C2O2, or COz and CО4, etc.
Part B Samples of three different compounds were analyzed and the masses of each element were determined. Mass Mass N Compound (g) (g) A 5.6 3.2 В 3.5 8.0 C 1.4 4.0 If you were John Dalton and had never heard of a mole, which of the following would you think were possible sets of formulas for the compounds A, B, and C, respectively? Check all that apply. • View Available Hint(s) N20, N2O4, N2O5 NO2, NO8, NO10 ΝO, ΝΟ , ΝΟ4 ΝO4, NΟ10, NO,
Transcribed Image Text:Part B Samples of three different compounds were analyzed and the masses of each element were determined. Mass Mass N Compound (g) (g) A 5.6 3.2 В 3.5 8.0 C 1.4 4.0 If you were John Dalton and had never heard of a mole, which of the following would you think were possible sets of formulas for the compounds A, B, and C, respectively? Check all that apply. • View Available Hint(s) N20, N2O4, N2O5 NO2, NO8, NO10 ΝO, ΝΟ , ΝΟ4 ΝO4, NΟ10, NO,
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