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NCEA Level 3 Chemistry (91390) 2014 Page 1 of 4

NCEA Level 3 Chemistry (91390) 2014 page 1 of 4. Assessment Schedule 2014. Chemistry: Demonstrate understanding of thermochemical principles and the properties of particles and substances (91390). Evidence Statement. Achievement with Merit. Achievement with Excellence.

Show That the Vibrations of H2O, C2v, Transform As 2A1 and B2

Electronic Configurations. What is the symmetry of the molecular electronic state? Electrons occupy the molecular orbitals, the overall wavefunction of the state is a product of electrons in orbitals.

20.1.1Summary of Rules for Assigning Oxidation Numbers

Chapter 20 Outline. 20.1.1Summary of rules for assigning oxidation numbers. 20.1.1.1Uncombined elements have an oxidation number of 0. 20.1.1.2For monatomic ions, the ion charge is the oxidation number. 20.1.1.3In compounds, hydrogen usually has an oxidation number of +1.

Mr. Skerrett SCH4CACID-BASE TITRATION

Mr. Skerrett SCH4CACID-BASE TITRATION. In this experiment you will titrate a measured volume of hydrochloric acid with a solution of sodium hydroxide of known concentration. The reaction equation is as follows. HCl(aq) + NaOH(aq) NaCl(aq) + H2O(l).

Chemical Changes Versus Physical Changes

Chemical Changes Versus Physical Changes. It is important to understand the difference between chemicalandphysical changes. Some changes are obvious, but there are some basic ideas you should know. Physical changes are usually about physicalstates of.

Lab 5.1: Making a Solution

LAB 5.1: MAKING A SOLUTION. Kool-aid is a solution. In order to make kool-aid, a child mixes the package of kool-aid powder with one cup of sugar and a liter of water. A solution is formed when two substances are mixed to make a homogenous mixture. Homogenous.

S.4 Holiday Work on Applied Chemistry

S.4 HOLIDAY WORK ON APPLIED CHEMISTRY. READ, RESEARCH AND ATTEMPT. 1. (a) (i) Describe how you would obtain a sample of sugar crystals from sugar cane. (ii) Name the materials left over from sugar processing and mention two uses of each. (iii) State two uses of sugar in the world of the sick.

Calculating Correlations for Atomic Displacements

Calculating correlations for atomic displacements. This routine calculates correlation coefficients for atomic displacements as. where is the displacement of the i-th atom from its position in the reference configuration.

The Assay of Ascorbic Acid

Student Name: Med Chem-IV. THE ASSAY OF ASCORBIC ACID. OBJECTIVE:This method is used to determine the % purityof Vitamin C tablet in a solution by a redox titration using iodine. Procedure: Titrate the solution of ascorbic acid with Iodine solution of.

Chemistry Department

Chemistry Department. Duncanrig Secondary School. CfE Higher Chemistry. Chemistry in Society. Exam Style Questions. 3.1 Getting the Most from Reactants. 3.1.1 Industrial Process. 1. Which of the following is the best descriptionof a feedstock?

Alicja Wzorek,* Ab Azusa Sato,Cb Józef Drabowicz,De Vadim A. Soloshonok,*Bf and Karel D

Remarkable magnitude of the self-disproportionation of enantiomers (SDE) via achiral chromatography; application to the practical-scale enantiopurification of -amino acid esters. Alicja Wzorek,* ab Azusa Sato,cb Józef Drabowicz,de Vadim A. Soloshonok,*bf and Karel D. Klika*g. aInstitute of Chemistry.

Chemistry in the Community1c Quest Study Guide

Chemistry in the Community1C Quest Study Guide. 1)Explain the mineral distribution on the Earth are they evenly distributed or not evenly distributed? 2)Can metals be obtained profitably from low concentration (low-grade) ores? What makes them less desirable than high grade ores?

III. Carbon Compounds

III. Carbon Compounds. The Chemistry of Carbon. Why is carbon so interesting for scientists? Carbon atoms have 4 electrons available for bonding which can form strong covalent bonds with other molecules and compounds.

Isotopes in the Hydrogeologic Systemexercise - in Class

Isotopes in the Hydrogeologic SystemExercise - in class. Part 1: Calculating Atomic Mass. In the red cup for your group, you will find plain, peanut, and almond M&Ms. We are going to pretend that each of these is an isotope of M&Mium . Follow the directions.

Content Outline: Working with Gaseous Reactions and KP (8.4)

Unit 8: Equilibrium. Content Outline: Working with Gaseous Reactions and KP (8.4). Dynamic Equilibrium ( Dynamic means constant movement ; equilibrium means state of being equal ).

Stoichiometry & Limiting Reactants

Stoichiometry & Limiting Reactants. The mathematical method used to determine the amount of productsformed from a given set of reactants. Eg. 1Write the equation for Aluminum reacts with oxygen gas to produce aluminum oxide. Check it with MsO before moving on.

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