Videos [1–100 of 16659 videos]

05:19
Bond Energy Changes in the Water–Gas Shift Reaction

02:55
Discussing the Existence of the Limit of a PiecewiseDefined Function Containing Absolute Value in Its Rules at a Certain Point

04:07
Discussing the Monotonicity of a Polynomial Function

02:55
Finding the Determinants in Cramer’s Rule

01:24
Finding the Equation of a Plane

03:51
Finding the General Equation of a Plane

03:29
Finding the Length of a Tangent to a Circle Using the Application of Similarity in Circles

06:00
Finding the Parametric Equation of a Plane

17:36
Intersection of Planes

14:24
Voltmeters

03:46
Determining the Average Velocity of an Object

04:09
Solving Word Problems Involving Average Velocity

02:06
Calculate the Sample Size of a Stratum Given the Sample Size of Other Strata and the Population Size

01:47
Calculate the Sample Size of a Stratum Given the Sample Size of the Other Stratum and the Population Size

01:50
Calculating Information about a Population Based on Stratum Sizes and Proportions

01:06
Determine If a Sampling Scenario Is Stratified Random Sampling

17:21
Addition Reactions of Alkenes

16:49
Alkynes

04:38
Analysis of Two Coplanar Forces Acting at a Point to Produce a Resultant

08:30
Analyzing the Motion of Two Bodies Hanging Freely Connected by a String Passing through a Pulley

05:25
Calculating Density Change Using the Continuity Equation for Fluids

03:04
Calculating Orbital Radius

03:09
Classifying Organisms into Phyla Based on a Given Description

02:55
Completing the Equation for Work Done on a Body

03:30
Composing a Complementary Sequence to a Strand of DNA

01:12
Defining an Injective Function

02:18
Describing the Formation of Macromolecules from Monomer Subunits

04:04
Describing the Major Functions of Parenchyma Tissue

05:08
Determining How Hydrogen Cyanide Moves Through Cell Membranes

03:52
Determining the Injectivity of a Function

03:23
Determining the Number of Oxygen Atoms Present in a Given Number of Moles of Aluminum Nitrate

02:01
Determining the Tool That Can Measure the Shortest Length

03:46
Determining the Work Done on a Body by a Force

04:28
Determining Whether a Given Function Is a OnetoOne Function

02:28
Determining Whether a Relation Represented by an Arrow Diagram Is a Function

02:29
Evaluating Algebraic Expressions given a Function on a Given Set in Listing Method

04:43
Explaining the Effect of Low Temperature on the Rate of EnzymeControlled Reactions

02:25
Expressing a Given Series in Sigma Notation

02:39
Finding a Vector from Its Magnitude and Relationship with a Given Vector

05:54
Finding Areas of Regular Polygons

03:36
Finding the Antiderivative of a Polynomial Function

02:26
Finding the Cartesian Equation of a Line through a Given Point and with a Given Direction Vector

07:19
Finding the Center of Gravity of Three Equal Discrete Masses Placed on the Sides of a Triangle

03:54
Finding the Cross Product of Vectors of a Triangle

02:55
Finding the Determinants in Cramer’s Rule

03:19
Finding the Distance between a Point and a Plane

03:53
Finding the Distance between a Point and a Plane

04:09
Finding the Distance between Two Planes

04:11
Finding the Equation of a Plane in Vector Form

05:03
Finding the General Antiderivative of a Function Using the Power Rule of Integration with Fractional Exponents

02:34
Finding the General Form of the Equation of a Plane

04:04
Finding the Length of a Chord in a Circle Using the Given Relation between the Chords

02:08
Finding the Measure of an Inscribed Angle given the Measure of the Central Angle Subtended by the Same Arc

05:03
Finding the Moment of a Couple Equivalent to a System of Three Forces Acting on a Triangle

01:17
Finding the OneSided Limit of a Function from Its Graph at a Point If the Limit Exists

03:09
Finding the Relation between Two Antiderivatives of the Same Function

16:31
Homologous Series

03:50
Identifying the 𝑥Coordinates of the Turning Points of a Function from a Graph of Its First Derivative

02:06
Identifying the Correct Formula for Spearman’s Rank Correlation Coefficient

04:07
Identifying the Name of the Alcohol Produced by the Hydrolysis of Polytrimethylene Terephthalate from a Set of Chemical Names

04:50
Interpreting the Results of Food Tests to Determine Food Groups Present in an Egg Yolk

17:47
Measuring Substances

15:48
Ohm’s Law

18:00
Properties and Reactions of Iron and Iron Oxides

06:55
Quarks

20:27
Rank of a Matrix: Determinants

05:36
Representing the Density of Free Electrons in a Donor IonDoped Semiconductor

15:13
Reproduction as a Life Process

04:16
Solving Word Problems Involving Arithmetic Series

01:14
Understanding Relative Charge in a PentavalentDoped Semiconductor

03:29
Understanding Speed and Radius in the Orbital Speed Equation

04:38
Using a Punnett Square to Demonstrate Codominance

03:42
Using a Punnett Square to Demonstrate Incomplete Dominance

07:45
Using the Inverse Matrix to Solve a System of Linear Equations

05:52
Using the Law of Sines and Trigonometric Formula for Area of Triangles to Calculate the Areas of Circular Segments

03:09
Writing a Relation between Two Sets given Its Rule

11:32
Correlation

19:32
Pearson’s Correlation Coefficient

15:43
The Equilibrium of a Body on a Rough Horizontal Plane

01:21
Calculating the Speed of a Bike That Moves Uniformly

02:56
Defining the Focal Length of a Convex Mirror

01:47
Describing Alternating Current

02:00
Describing Direct Current

01:41
Describing Electric Using a CurrentTime Graph

01:44
Describing the Behavior of Parallel Rays Incident on a Convex Mirror

01:00
Describing the Relation between Nuclear Waste and Nuclear Radiation

01:30
Determining the Aircraft with the Greater Velocity

01:59
Determining the Charge Flowing past a Point in a Circuit

01:24
Determining the Focal Point of a Convex Mirror

01:05
Determining the Formula for Speed

01:37
Determining The Greatest Speed from a DistanceTime Graph

02:21
Determining the Type of Lenses Used to Correct Farsightedness

01:58
Determining the Type of Lenses Used to Correct Nearsightedness

01:53
Health Risks away from a Nuclear Reactor Accident

03:39
Identifying The Connection of Ammeters in Circuits

00:52
Identifying The Symbol for Ammeter

01:22
Indentifying the Aircraft with the Greater Speed

00:25
Nuclear Radiation Emission

00:38
Nuclear Radiation Emission by Objects outside Earth

00:43
Recalling the Point at Which Light Is Focused by an Eye with Normal Vision