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This algebra video tutorial explains how to solve linear equations with decimals and parentheses.

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https://www.youtube.com/watch?v=nTn9g...

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This algebra video tutorial provides a basic introduction into multiplying and dividing numbers. It explains how to perform basic multiplication by hand as well as long division. It helps you to understand the concept of multiplication which is repeated addition. Division is simply the opposite or reverse of multiplication.

New Algebra Playlist:
https://www.youtube.com/watch?v=nTn9g...

This Physics Final Exam Review contains multiple choice problems on pressure in fluids, simple harmonic motion, the simple pendulum, standing waves, sound waves, & the doppler effect.

Here are some other videos of interest:

Buoyant Force Formula Derivation:
https://www.youtube.com/watch?v=Qgl_l...

Apparent Mass Formula Derivation:
https://www.youtube.com/watch?v=yQIl0...

Bernoulli's Equation Practice Problems:
https://www.youtube.com/watch?v=xTAfy...

Mechanical Waves Practice Problems:
https://www.youtube.com/watch?v=qm1hD...

Standing Waves In Organ Pipes:
https://www.youtube.com/watch?v=7eyYN...

Sound Intensity & Decibels:
https://www.youtube.com/watch?v=twppI...

Doppler Effect - More Practice Problems:
https://www.youtube.com/watch?v=JYt73...

Here is a list of topics:
1. Density of Fluids
2. Calculating The Force Exerted By The Atmosphere
3. Absolute Pressure and Gauge Pressure
4. The Hydraulic Lift
5. Buoyant Force & Archimedes Principle
6. Calculating The Density of an Object Using Apparent Mass
7. How To Determine The Fraction of an Object Submerged in Water
8. Bernoulli's Equation and The Equation of Continuity
9. Torricelli's Theorem
10. The Force Exerted By Wind on a Roof
11. Finding The Spring Constant using Hooke's Law and The Potential Energy Stored in a Spring
12. Conservation of Energy of a Mass Spring System - Mechanical Energy, Potential Energy and Kinetic Energy.
13. Finding The Amplitude, Frequency, Period, and Maximum Acceleration of a Mass-Spring System Given The Position Equation Describing Its Motion.
14. The Frequency of a Simple Pendulum
15. Calculating The Gravitational Acceleration of a Planet Using a Simple Pendulum
16. Calculating The Speed of a Standing Wave on a String Under Tension as well as the Wavelength, Fundamental Frequency and the Harmonics of such a Wave in Addition to Determining The Number of Loops, Nodes, and Antinodes Present.
17. Another Problem on Fundamental Frequency & Harmonics
18. Speed of Sound vs Temperature
19. Sound Level and Intensity Calculations
20. Calculating The Intensity of Sound at a Distance
21. How To Calculate The Fundamental Frequency and The Overtones of an Organ Pipe That is Open at Both Ends and Closed at One End.
22. Identifying The Type of Organ Pipe Using Harmonics
23. Beat Frequency Generated By Two Tuning Forks
24. Determining The Possible Frequencies Generated By a Guitar String Using Beat Frequency
25. Identifying The Exact Frequency of a Guitar String Using The Beat Frequency Generated By Two Tuning Forks
26. The Doppler Effect - a simple example
27. The Doppler Effect - a more complicated example

This chemistry video tutorial focuses on conceptual problems relating to le chatelier's principle and ksp - the solubility product constant. It explains how to determine the direction in which the reaction will shift if the concentration of the product ions changes. It also explains how to determine if precipitation or dissolution will occur due to changes in concentration or temperature for an endothermic reaction and how to determine the effect of pH on the molar solubility of a compound. This video also explains how to determine which compound will have the highest molar solubility given the ksp values.

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This chemistry video tutorial explains how to determine the units of the rate constant K for a first order reaction, second order reaction, and a zero order reaction. It provides a formula and a simple process to calculate it. This video is part of the chemical kinetics series. It contains plenty of examples for you to learn the concept.

New Chemistry Video Playlist:
https://www.youtube.com/watch?v=bka20...

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This physics final exam review cover topics such as entropy, thermodynamics, heat engines, refrigerators, heat pumps, ideal gas law, thermal linear and volume expansion, specific heat capacity, latent heat, & calorimetry problems.

Here are some other videos:

Physics 2 Final Exam Review Part 1:
https://www.youtube.com/watch?v=negS7...

Thermodynamics Review:
https://www.youtube.com/watch?v=TnDCx...

PV Diagram Problems:
https://www.youtube.com/watch?v=b-4U_...

Heat Engines:
https://www.youtube.com/watch?v=QBd2z...

Here is a list of topics:
1. Thermal Linear Expansion
2. Thermal Volume Expansion
3. Boyle's Law - Pressure and Volume
4. Gas Laws - Temperature and Pressure
5. Using The Combined Gas Law Formula
6. Ideal Gas Law at STP
7. Calculating The Number of Gas Molecules at STP
8. Average Translational Kinetic Energy of Gases
9. Root Mean Square Speed of Gas Molecules
10. Internal Energy of Monatomic Gases Formula
11. Specific Heat Capacity Problems
12. Calorimetry - Finding The Final Temperature of a Mixture at Thermal Equilibrium
13. Latent Heat of Fusion of Ice
14. More Problems on Latent Heat & Specific Heat Capacity
15. Heat Transfer Via Conduction - Thermal Conductivity
16. Heat Transfer Via Radiation - Stefan-Boltzmann Constant
17. First Law of Thermodynamics - Internal Energy, Heat, & Work
18. Isochoric, Isobaric, Isothermal & Adiabatic Processes
19. How To Calculate The Work Done In an Isobaric Process
20. Calculating The Change In The Internal Energy Of The System In An Adiabatic Process
21. Isochoric Process - Internal Energy Change & Work
22. Calculating The Work Done In an Isothermal Process
23. Carnot Heat Engines & Efficiency
24. Coefficient of Performance of Refrigerators
25. Coefficient of Performance of Heat Pumps
26. Calculating The Entropy Change of Melting Ice
27. Calculating The Change In Entropy of Heating Water

This chemistry video tutorial explains how to calculate the height of water in a barometer given the density and column height of a mercury barometer. This tutorial explains how to derive the formula to calculate the column height of water using other equations in physics and geometry. The weight of the atmosphere must equal the weight of the fluid in the column for equilibrium to be established. Knowing this, you can derive the formula using density and the volume of a cylindrical prism.

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