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Rutherford's experiment and conclusions.
Rutherford observed two things. First, most of the alpha particles were able to pass through the sheet. Second, some alpha particles were de
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How to calculate bond orders from lewis dot structures?
What does bond order mean?
Bond order is directly proportional to the strength of the bond. Thus, the higher the bond order the strong the b
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What is the relationship between equilibrium constant and delta G?
DeltaG tells us whether a reaction is spontaneous or not. If delta G is negative, the reaction is spontaneous, and if delta G is positive, t
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How to calculate pH of the weak acid.
When we are asked to find pH, the first thing we need to recognize is whether we are dealing with acid or base? Also we need to...
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State the general trend in first ionization energy as the elements in Period 3 are considered from l
First ionization energy is the amount of energy needed to take first electron from an atom. The trend for ionization energy is that it...
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Equivalence point on titration curves.
Titration is a laboratory procedure where a known base is added to unknown acid (or vise versa) to figure out the molarity of the...
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What is the oxidation number of N in KNO3?
In order for us to find oxidation numbers, we need to learn some oxidation rules first. Oxidation rules: 1. Oxygen is -2, unless in...
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What is the equilibrium constant?
Many reactions do not go to completion, where all of the reactants turn into products and the reaction is over. Instead, most reactions...
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Which compounds are isomers of each other?
Let's try to eliminate some answer choices first that do not have the same formula. Choice 4 is 1-chloropropane and 2-bromopropane. Sinc
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How to prepare for chemistry regent?
In order to prepare for the Chemistry NYC regent exam, a student will need one book: Barron's Regents Exams and Answers: Chemistry. This...
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