16. The root-mean-square speed of a certain gaseous oxide is 493 m/s at 20°C. What is the molecular weight and molecular formula of the compound?

Chemistry
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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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16
TABLEA
----
A
CHO (s) + CaHO3 m
+ CaH,Om + CH,CO,H (
You mix 100.0 g of each reactant
a) What is the maximum amount of ethyl benzoate that can be obtained?
b) What is the mass of the excess reagent remaining?
C) If 102.09g of ethyl benzoate was isolated, what is the yield of the reaction?
Part B Atomic Theory
IFS
13. Draw the Lewis structure for. Indicate the hybridization of the centra) atom and show the
geometry.
Sp3da
14. Draw the structure of CH;COCH; with orbitals. Indicate the hybridization, bond angles, type of bonds.
You may have to draw two structures for clarity.
15. a) Write the electronic orbital configuration of Cu*. Is the ion diamagnetic or paramagnetic?
b) Write the electronic orbital configuration of Se. Is the ion diamagnetic or paramagnetic?
Part C Gas Phase and Phase Equilibria
16. The root-mean-square speed of a certain gaseous oxide is 493 m/s at 20°C. What is the molecular
weight and molecular formula of the compound?
17. A salt decomposes according to 2 KCIO3 (s)
+ 2 KCI5) + 3 02 (e)
The reaction took place in an evacuated 5 L flask. After the experiment the temperature was 25°C and
the pressure inside the flask was 0.247 atm. If we neglect the volume of the solid, what mass of KCIO3
(MW 122.55 g/mol) was introduced in the flask?
Transcribed Image Text:TABLEA ---- A CHO (s) + CaHO3 m + CaH,Om + CH,CO,H ( You mix 100.0 g of each reactant a) What is the maximum amount of ethyl benzoate that can be obtained? b) What is the mass of the excess reagent remaining? C) If 102.09g of ethyl benzoate was isolated, what is the yield of the reaction? Part B Atomic Theory IFS 13. Draw the Lewis structure for. Indicate the hybridization of the centra) atom and show the geometry. Sp3da 14. Draw the structure of CH;COCH; with orbitals. Indicate the hybridization, bond angles, type of bonds. You may have to draw two structures for clarity. 15. a) Write the electronic orbital configuration of Cu*. Is the ion diamagnetic or paramagnetic? b) Write the electronic orbital configuration of Se. Is the ion diamagnetic or paramagnetic? Part C Gas Phase and Phase Equilibria 16. The root-mean-square speed of a certain gaseous oxide is 493 m/s at 20°C. What is the molecular weight and molecular formula of the compound? 17. A salt decomposes according to 2 KCIO3 (s) + 2 KCI5) + 3 02 (e) The reaction took place in an evacuated 5 L flask. After the experiment the temperature was 25°C and the pressure inside the flask was 0.247 atm. If we neglect the volume of the solid, what mass of KCIO3 (MW 122.55 g/mol) was introduced in the flask?
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