(a) Interpretation: Whether S or S 2 − is larger should be determined. Concept introduction: Atomic radius is the distance between the valence shell and the atomic nucleus. Down the group, more shells are added in successive members and the atomic radius increases. It decreases in the period as an effective nuclear charge increases.
(a) Interpretation: Whether S or S 2 − is larger should be determined. Concept introduction: Atomic radius is the distance between the valence shell and the atomic nucleus. Down the group, more shells are added in successive members and the atomic radius increases. It decreases in the period as an effective nuclear charge increases.
Definition Definition Number of protons in the nucleus of an atom. It uniquely identifies an element, as the number of protons determines the element's properties. The periodic table of elements is arranged based on increasing atomic numbers, allowing scientists to easily locate and study elements.
Chapter 6, Problem 6.48SP
Interpretation Introduction
(a)
Interpretation:
Whether S or S2− is larger should be determined.
Concept introduction:
Atomic radius is the distance between the valence shell and the atomic nucleus. Down the group, more shells are added in successive members and the atomic radius increases. It decreases in the period as an effective nuclear charge increases.
Interpretation Introduction
(b)
Interpretation:
Whether Ca or Ca2+ is larger should be determined.
Concept introduction:
Atomic radius is the distance between the valence shell and the atomic nucleus. Down the group, more shells are added in successive members and the atomic radius increases. It decreases in the period as an effective nuclear charge increases.
Interpretation Introduction
(c)
Interpretation:
Whether O− or O2− is larger should be determined.
Concept introduction:
Atomic radius is the distance between the valence shell and the atomic nucleus. Down the group, more shells are added in successive members and the atomic radius increases. It decreases in the period as an effective nuclear charge increases.
43) 10.00 ml of vinegar (active ingredient is acetic acid) is titrated to the endpoint
using 19.32 ml of 0.250 M sodium hydroxide. What is the molarity of acetic acid
in the vinegar? YOU MUST SHOW YOUR WORK.
NOTE: MA x VA = MB x VB
424 Repon Sheet Rates of Chemical Reactions : Rate and Order of 1,0, Deception
B. Effect of Temperature
BATH TEMPERATURE
35'c
Yol of Oh
نام
Time
485
Buret rend
ing(n)
12
194
16.
6
18
20
10
22
24
14
115 95
14738
2158235
8:26 CMS
40148
Total volume of 0, collected
Barometric pressure 770-572
ml
mm Hg
Vapor pressure of water at bath temperature (see Appendix L) 42.2
Slope
Compared with the rate found for solution 1, there is
Using the ideal gas law, calculate the moles of O; collected
(show calculations)
times faster
10
Based on the moles of O, evolved, calculate the molar concentration of the original 3% 1,0, solution (sho
calculations)
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