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Chemistry 142 Chapter 19: Radioactivity and Nuclear Chemistry

Chemistry 142 Chapter 19: Radioactivity and Nuclear Chemistry . Outline Types of Radiation Nuclear Equations Radioactive Decay Applications of Radioactivity. Image left by uranic rays. a. g. b. Types of Radiation and Their Penetrating Abilities .

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The Nucleus and Radioactivity Radioactivity: Spontaneous changes in the nucleus that emit energy as radiation (partic

The Nucleus and Radioactivity Radioactivity: Spontaneous changes in the nucleus that emit energy as radiation (particles or rays) Nuclei contain protons and neutrons; some combinations of these particles are unstable Examples of Radioactive Nuclei Include: Uranium, Plutonium Hydrogen-3

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As you come in,

As you come in,. Materials : Paper Pencil Calculator Plan: Go over stations Return tests Timed stations on 4-7. Final Exam Review Stations Units 1-3 . 50 questions in 85 minutes = 102 seconds/question 14 Questions = 28 points

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Stephanie Bojarski , grad student William Frazier, grad student Greg Rohrer Tony Rollett

MURI Program Review, December 2012 Grain Boundary Character Distribution & Abnormal Grain Growth Carnegie Mellon University . Stephanie Bojarski , grad student William Frazier, grad student Greg Rohrer Tony Rollett Also: Sudipto Mandal , grad student. Outline.

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4 aromatic protons

Can we use 2D to assign this spectrum?. 4 aromatic protons. Structure first determined by Woodward in 1948 (without NMR!). HSQC. CH 2. Identify CH, CH 2 and CH 3 peaks on HSQC (use DEPT if necessary). COSY. H-22 is a good place to start. 22. 23. HSQC.

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Half-Lives

Half-Lives. Half-Lives. Rates of radioactive decay Measured in half-lives But what is a half-life? The time required for one-half of a radioisotope's nuclei to decay into its products. Determining Half-Life. Half-Lives are Exponential. Calculating Amount Remaining. initial mass.

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SS.01.7 - Solving Exponential Equations

SS.01.7 - Solving Exponential Equations. MCR3U - Santowski. (A) Review. If two powers are equal and they have the same base, then the exponents must be the same ex. if b x = a y and a = b, then x = y. If two powers are equal and they have the same exponents, then the bases must be the same

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Gas Laws

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The equation

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