|
Chapter 19:
Acids and Bases
Section 19.1 Acids and Bases: An Introduction
|
Section 19.2 Strengths of Acids and Bases
|
Section 19.3 What is pH?
|
Section 19.4 Neutralization
|
|
|
Section 19.1 Acids and Bases: An Introduction
|
Section 19.2 Strengths of Acids and Bases
|
Section 19.3 What is pH?
|
Section 19.4 Neutralization
|
|
|
Section 19.1 Acids and Bases: An Introduction
Standard 5 a - Acids and Bases
View Standard 5 State Standard: The observable properties of acids, bases and salt solutions.
Students Will be able to:Differentiate the observable properties of acids, bases and salt solutions. Book Reference Pages: 595, 596, 601
Standard 5 b - Acids and Bases
View Standard 5 State Standard: Acids are hydrogen-ion-donating and bases are hydrogen-ion-accepting substances.
Students Will be able to:Understand that acids are hydrogen ion donors and bases are hydrogen ion acceptors. Book Reference Pages: 598, 599, 601
Standard 5 e - Acids and Bases
View Standard 5 State Standard: The Arrhenius, Bronsted-Lowry, and Lewis acid-base definitions.
Students Will be able to:Book Reference Pages: 597, 599, 601
|
|
Section 19.2 Strengths of Acids and Bases
Standard 5 c - Acids and Bases
View Standard 5 State Standard: Strong acids and bases fully dissociate and weak acids and bases partially dissociate.
Students Will be able to:Compare the degree of dissociation between strong and weak acids and bases. Book Reference Pages: 602, 607
Standard 5 e - Acids and Bases
View Standard 5 State Standard: The Arrhenius, Bronsted-Lowry, and Lewis acid-base definitions.
Students Will be able to:Book Reference Pages: 603, 604, 607
|
|
Section 19.3 What is pH?
Standard 5 d - Acids and Bases
View Standard 5 State Standard: How to use the pH scale to characterize acid and base solutions.
Students Will be able to:Through experimentation, use the pH scale to characterize acids and bases. I&E (12A): Select and use appropriate tools technology (such as computer-linked probes, spreadsheets and graphing calculators) to perform tests, collect data, analyze relationships, and display data. I&E (12D): Formulate explanations using logic and evidence. Book Reference Pages: 610, 616
Standard 5 f - Acids and Bases
View Standard 5 State Standard: How to calculate pH from the hydrogen ion concentration.
Students Will be able to:Book Reference Pages: 610-612, 616
Standard 12 e - Investigation and Experimentation
View Standard 12 State Standard: Solve scientific problems using quadratic equations, and simple trigonometric, exponential, and logarithmic functions.
Students Will be able to:Book Reference Pages: 610-614
|
|
Section 19.4 Neutralization
|
|
|
- Changing pH or pOH to concentrations and back: Shows relationships of pH, pOH, [H+], and [OH-],
- Logarithims (Logs) and Anti-logs with Calculators: Shows how to change pH and pOH to their respective concentrations using two different types of calculators (2 different logics)
- Finding unknown M or V for acids or bases : Formula & practice problems to calc conc of unknown acids or bases. Also calcs to chg std solns to more dilute conc. Use of aM1VM1 = bM2V2
- Bronsted Lowry Acid-Base: Explains how to identify Bronsted-Lowry acid/base pairs, conjugate acids and bases compared to acids and bases.
- Bronsted Lowry Acid-Base Animation: Animation using HSO41- and H2O reaction to demo proton (H1+) moving from acid to base and leaving electron behind. (created by Areg, a former student)
- Buffers - How They Work: In addition to tutorial for mechanics of how buffers work, there are 3 practice problems with answers on-line.
- Log Chart - 1-10 & calc log & anti-log: This simple log chart can be used to calculate logs & anti-logs used in calcultating pH & pOH, or doing their anti-logs
- Simple Estimates of pH: Simple estimates for calculating pH
Bronsted/Lowry
● Brønsted-Lowry Concept of Acids and Bases (tutorial - Wigger) Visit Site
● Bronsted-Lowry acid-base gif – made by Areg Visit Site
|
Buffers
● Weak Acid and a Weak Base which are a conjugate acid/base pair - animation - interactive (McGraw-Hill) Visit Site
● Add equal amount of NaOH or HCl (any amt you choose) to water and a buffered soln, can also change indicator, and plot results (applet) Visit Site
|
pH - Ch 19.3
● Animation - pH meter allows testing pH of acids, bases, salts and unknown, different concentrations (Flash) (I State U) Visit Site
● pH slider shows substances with various pH values – interactive– John Kyrk pH scale, slider can move to show you substances that have certain pH values Visit Site
● Sodium - Scroll down to "Sodium Party". Lots of videos & background how Na reacts with water and also O2. These guys are crazzy!!! Visit Site
|
pH Indicator
● Carbon Dioxide Behaves as an Acid in Water, uses bromothymol blue as indicator - movie Visit Site
|
Titration
● Acid/Base Titrations animations, titrate to end-point (I State U) Visit Site
|
Weak vs Strong
● Animation shows ionization of HF and HCl (McGraw-Hill) Visit Site
|
Wigger Vids
● LAB - Properties of Acids & Bases - shows the neutralization of HCl with NaOH when close to the endpoint Visit Site
● LAB - Properties of Acids & Bases - shows how volatile NH3 is as it quickly leaves the solution for form a gas and change pH of universal pH paper. Visit Site
● LAB - Properties of Acids & Bases - Shows boiling away water in evaporating dish after equal amounts of HCl and NaOH have been mixed Visit Site
● Ch 19 - Acid and base ionizations - p. 601 3a and p. 599 2a Visit Site
● Ch 19 - Products of acid + metal and acid + carbonate - p. 596 1 a-d Visit Site
● Ch 19 - Base Ionization - p. 606 11a Visit Site
● Ch 19 - Complete Ionization of polyprotic acids p. 601 3a Visit Site
● C h 19 - Acid ionization equation and Ka (acid equilib const)p605 10a Visit Site
● Ch 19- Estimate log & anti-logs using logs 1-10 to calc pH from [H+] Visit Site
● Ch 19 - Estimate -log [H+]- 3 examples - calculate pH Visit Site
● Ch 19 - pH Meter Lab - first page - Bronsted-Lowry Acids & Bases computer ex Visit Site
● Ch 19 - pH Meter Lab - 2nd page - Bronsted-Lowry Acids & Bases computer ex Visit Site
● Ch 19 - Neutralization end-pt - a little does a lot when close to pH 7 Visit Site
● Ch 19 - NH3 prefers to be in the gas phase Visit Site
● Ch 19 - Acid + Base gives salt and water - we boiled away the water Visit Site
● Bronsted-Lowry Theors of acids and bases explained. You will also see how conjugates are named Visit Site
● This is a complete revision of an older video on Bronsted-Lowry acids & bases. Very complete! Visit Site
● Add, subtract, multiply & divide powers of 10. This skill is essential for working with pH calculations. Visit Site
| |
|
|
|
Expand All Categories
|