'20 ml' diaporamas de présentation

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Jeopardy

Jeopardy. Choose a category. You will be given the answer. You must give the correct question. Click to begin. Choose a point value. Choose a point value. Click here for Final Jeopardy. Science Process Skills. Volume. Mass. Density. Measurement. 10 Point. 10 Point. 10 Point.

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Chemistry 16.2

Chemistry 16.2. Concentrations of Solutions. 16.2.

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The changes in energy that occur during chemical reactions can

The changes in energy that occur during chemical reactions can be illustrated using an energy diagram:. Many reactions take place in solution : e.g. 2AgNO 3(aq) + Na 2 CO 3(aq) ? Ag 2 CO 3(s) + 2NaNO 3(aq)

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Solutions

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Molarity and Molality

Molarity and Molality. Solutions= Molarity. A Molarity. Molarity = # of moles of a solute per liter of Solution. Solute and Solvent. substance being dissolved. total combined volume. A. Molarity = M. Concentration of a solution. Molarity.

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Clinical Case Study The long road back to eating.

Clinical Case Study The long road back to eating. Birgit Humpert , KSC Dietetic Intern 2012-2013. Dartmouth-Hitchcock Medical Center. Our mission

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Concentration

Concentration. EQ. What is concentration?. Describe ways that concentration can be expressed and calculated. You made 2 saturated solutions, NaCl and MgSO 4. Which saturated solution had more solute dissolved in it? MgSO 4 How much MgSO 4 was needed to saturate 30 mL of water?

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Safety related to Administration methods

Safety related to Administration methods. UNRS 314 Jan Bazner-Chandler CPNP, CNS, MSN, RN. Pediatric dosages calculated by weight. Most drug books use weight in kilograms, patients are often weighed in pounds: To convert pounds to kilograms 2.2 lb = 1 kg. 2.2 x = weight in lb

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Introduction to Titration

Introduction to Titration. Go to browse and set to full screen. buret clamp. buret. three 250 mL Erlenmeyer flasks. 150 mL beaker (80 mL of base). 100 mL beaker (60 mL of acid). waste beaker. stand. glass funnel. indicator. 15.00 mL volumetric pipet. 50 mL beaker. bulb.

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Concentration of solutions

Concentration of solutions. CONCENTRATED = Lots of solute in the solution DILUTE = Not much solute in the solution. Ways to express concentration numerically. Molarity % by Mass % by Volume Parts per million. MOLARITY. Molarity = # of moles of solute in 1 liter of solution.

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Quantitative determination of nickel in a compound

Quantitative determination of nickel in a compound. Go to browse and set to full screen. Part 1. Beaker tongs. Crucibles. Desicooler. Crucible tongs. Drying agent.

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Finding VOLUME

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Lecture 40

Lecture 40. Language Review: Mechanics. In this lecture we will learn. Capitalization Italics Abbreviations Acronyms Numbers Enumeration Symbols Equations Spelling. Capitalization.

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CHEM100_11

Lecture #33. Chapter 17. Buffers. CHEM100_11. This week: Labs. Reports should be completed in the lab. Bring calculators and rulers. Class average 63%. Dr. Orlova PS-3026 Ph: 867-5237 gorlova@stfx.ca. Student Chemical Society Tutorials:

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Formation of Precipitate Lab & M.O.M. Color Lab

Formation of Precipitate Lab & M.O.M. Color Lab. Signs of Chemical Change. There are a number of observations that indicate a chemical reaction has occurred. Today you will observe some signs of chemical change in a lab. Formation of Precipitate.

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Chapter 12 Review

Chapter 12 Review. Test Thursday. Layout. 13 vocab fill-ins 7 math 2 bonus. Vocab. Solution Colloid Suspension Tyndall Effect Solute Solvent Effervescence Electrolyte Miscible Immiscible Saturated Unsaturated Supersaturated. Bonus. How to dissolve something faster

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PVnT Tables

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Making Dilutions

Making Dilutions. Making dilutions from known concentrations: M 1 x V 1 = M 2 x V 2 Volume can be in liters or mL as long as the same units are used. Dilution Problems. How would you prepare 1.00x10 2 mL of 0.40 M MgSO 4 from a stock solution of 2.0 M MgSO 4 ?

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Bell Ringer- Aug. 13

Bell Ringer- Aug. 13. Calculate the following and express the answer using the correct number of sig. figs. 22.12 + 5 + 10.1 =

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