'3 cl' diaporamas de présentation

Urinary System

Urinary System. A. Functions 1. maintain blood homeostasis 2. elimination of waste B. Structures 1. kidneys A) reddish-brown & bean-shaped. Urinary System. B) lie in superior lumbar region of the posterior abdominal wall (T 12 to L 3 ) C) External Anatomy

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ISSI Meeting, Bern 19-23 January 2014

ISSI Meeting, Bern 19-23 January 2014. New 3D photochemical global model with ions in D-region: The instrument for solar-atmospheric relations study Alexei Krivolutsky Lidiya Cherepanova, Tatyana Vyushkova, and Alexander Repnev Laboratory for Atmospheric Chemistry and Dynamics

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Lecture 10: Electrochemistry Introduction

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? 24 ? d ??? ( ? 5 ? 6 ?? ) 24-1 ???? ????? ? (n-1)d 1-9 ns 1-2 ??? 788 ?? 24-1 ?

? 24 ? d ??? ( ? 5 ? 6 ?? ) 24-1 ???? ????? ? (n-1)d 1-9 ns 1-2 ??? 788 ?? 24-1 ? ns ????? (n-1)d ???????? ??????? ? ?? ???????????? ??? ? ?? 790 ?? 24-2 ? ????????????????. ??? ? ??????? ( ????? ) ? ???? ? ?????????????? ( ??????????? ) ?

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Combining DFT and QSAR result for predicting the biological activity of the phenylsuccinimide derivatives

Study 3D-QSAR is applied to a set of 57 molecules based on N-phenylsuccinimides using the principal component analysis (PCA) method, the multiple linear regression method (MLR) and the artificial neural network (ANN). The predicted values of activities are in good agreement with the experimental results. The artificial neural network (ANN) techniques, considering the relevant descriptors obtained from the MLR, showed a correlation coefficient of 0,9 with an 8-20-1 ANN model which is a good result. As a result of quantitative structure-activity relationships, we found that the model proposed in this study is constituted of major descriptors used to describe these molecules. The obtained results suggested that proposed combination of several calculated parameters could be useful in predicting biological activity of N-phenylsuccinimides derivatives.

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PERCENTAGE COMPOSITION and EMPIRICAL & MOLECULAR FORMULA

PERCENTAGE COMPOSITION and EMPIRICAL & MOLECULAR FORMULA. part whole. 24 g 95 g. % = x 100. % Mg = x 100. 24.305. 35.453. Mg. Cl. 12. 17. magnesium. chlorine. Percentage Composition. (by mass...not atoms). 25.52% Mg. Mg 2+ Cl 1-. 74.48% Cl. MgCl 2.

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Percentage Composition

part whole. 24 g 95 g. % = x 100. % Mg = x 100. 24.305. 35.453. Mg. Cl. 12. 17. magnesium. chlorine. Percentage Composition. (by mass...not atoms). 25.52% Mg. Mg 2+ Cl 1-. 74.48% Cl. MgCl 2. It is not 33% Mg and 66% Cl. 1 Mg @ 24.305 amu = 24.305 amu

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Clicker #1

Clicker #1. Balance the following equation in standard form and determine the sum of the coefficients: C 2 H 5 OH + O 2 ? CO 2 + H 2 O A) 4 B) 5 C) 8 D) 9 E) 10. Clicker #2. How many of the following statements are true about balanced chemical equations?

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Answers to Molar Compositions Review Problems

Answers to Molar Compositions Review Problems. 6.1) 322.2 amu or 5.350 x 10 22 g 6.2) 18.0 O atoms 6.4) 4.32 x 10 -2 g Cr 6.5) 62.49 g/mol C 2 H 3 Cl 6.6) 2.11 mol Na 2 SO 4 6.8) 8.13 x 10 23 molecules teflon 6.9) 53.824% C 6.4535% H 8.9696% N 10.266% S

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A green and efficient hydrolysis of methyl 5-chloropyrazine-2-carboxylate to 5-chloro- pyrazine-2-carboxylic acid

an efficient and green procedure for the preparation of 5-chloropyrazine- 2-carboxylic acid from methyl 5-chloropyrazine-2-carboxylic acid ester using LiOH with the evident advantages of very easy operations, environmentally benign conditions and high yield of the product. It is a very green and easy transformation for no organic solvents were used during the whole reaction and separation procedure to obtain the high yield.

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