This video shows you how to calculate the percentage yield in chemistry. To find the percentage yield, you will need to divide the actual yield by the theoretical yield. Then, multiply it by 100: i.e. % yield = actual yield/theoretical yield x 100. An actual yield is the amount of a substance produced in an actual laboratory experiment. It is based on an actual physical measurement of a quantity. The theoretical yield is the yield as is calculated on paper: i.e. through calculations. Therefor...
This is a video tutorial in the Education category where you are going to learn how to describe chemical formulas. A chemical formula represents the actual number of atoms of each element within a molecule. Different visual representations of molecules include the ball and stick three dimensional model, a line drawing that represents the structure in two dimensional terms, and a shorthand used by organic chemists. If a molecule has 4 green atoms and 2 orange atoms, the ratio of green to orang...
Living with quadriplegia requires a lot of adjustments. Physical therapy and occupational therapy are a necessity, after your physical condition has been stabilized. Physical therapy is necessary to regain and maintain as much coordination and strength and flexibility possible. The occupational therapy will teach you how to perform as many of your daily activities of living independently as possible. It is important to have emotional support. Attitude is important. You have to stay positive. ...
In Batman: Arkham Asylum, the Riddler Physical Challenges can be quite difficult to beat, but if you want to clear all of them, this video will take you through each. It walks you through each and shows you where to locate them all, including getting a 20x combo and the rest of the combat challenges.
Interested in becoming better acquainted with Logic's built-in physical modeling soft synth, Sculpture? You've come to the right place. Whether you're new to computer recording, new to the Apple Logic DAW (digital audio workstation) or just looking to pick up a few new tricks, you're sure to benefit from this free video software tutorial.
Want to digitally preserve an old photograph without also preserving the imperfections of the physical photo paper? With Adobe Photoshpo, it's easy. Whether you're new to Adobe's popular image editing software or simply looking to pick up a few new tips and tricks, you're sure to benefit from this free video tutorial from the folks at Britec Computer Systems. This video offers a step-by-step guide on how to remove unwanted physical textures from your digital images.
In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to name amines. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.
This medical how-to video demonstrates the proper technique for evaluating a patient's shoulders. Follow along and learn how to do a shoulder physical examination. As with all examinations of the joints it is important to follow a standard routine including range of motion, inspection, and to compare the affected shoulder to the unaffected shoulder. Please note this instructional video is intended for medical professionals.
Patellar tendinitis is pain just below the knee cap. Patellar tendinitis treatment tips and techniques can supplement the direct care one receives from a doctor, trainer or physical therapist. Learn how to treat sports injuries in this how-to video on health and rehab.
The full sit up is the second event of the Army Physical Fitness Test (APFT) or Physical Readiness Test (PRT). Use this clip to better understand the rules, breathing techniques, and overall strategies to achieve best results. In this fitness tutorial, SSG Ken Weichert, Army Master fitness trainer, teaches you how to do sit ups properly.
Now you can edit the physical location of any address in the US in Google Maps. You can correct your home, your business, or even your favorite park. Try it at maps.google.com
Camera angles can be expressed in both physical and psychological terms. The first episode presents the physical angles: low-angle, high-angle, and dutch angle.
After knee surgery, the knee is usually stiff with reduced range of motion because of swelling in that region. In this instructional video, a physical therapist explains how to get the knee back to its best following surgery with rest, exercise and physiotherapy.
One of the best parts of the BlackBerry KEYone and KEY2 is the iconic physical keyboard. There is one major downside, though: By default, the virtual keyboard appears on these devices even when typing on the physical keyboard. Luckily, there's a way to change that.
If you're driving a commercial vehicle or doing a lot of driving for a company, there are ways to claim deductions on your tax return for actual vehicle expenses. In this video you will learn how to calculate your standard mileage rates to determine how much you will be getting on your tax refund if your employer is not reimbursing you for gas or if you're running a small business.
If you want to know how to calculate percent error easily, you should watch this video. Error is the amount of deviation from accurate values. Error calculation is not possible, unless you make a quantitative measurement of the various quantities involved in your experiment. Measurement can help us in calculating errors and knowing how right we are in our theoretical models. In calculating percent error, We need to get the experimental value and the value which you are aiming at, which is the...
Learn how to screen print/ silkscreen a tshirt without using an actual silkscreen. Have you ever wanted to paint your own shirt or silkscreen multiple prints? Now you can know how! Creating your own designs is a lot of fun.
Using layers in SketchUp is different than many other applications. This instructional video to learn how to use layers, the layer dialog box, as well as some layer tips. In other applications, layers control actual geometry. This is especially true in CAD software. SketchUp's layering system only controls the visibility of the geometry, not the actual geometry itself.
Before you can alter the settings of a virtual machine, you must first have the machine powered off. Load VirtualBox on your Mac desktop and make sure it is powered off on the left hand panel. Double-click General and a window should pop up allowing the changing of several settings. For example, you can include a description to keep many virtual machines separate, or adjust the size of the drive. You can even add virtual devices through ports if they are connected to the physical machine. The...
Work out the pelvis with pelvic tilts. Learn about exercises for strength and flexibility in this training video. Take action: keep your back flat, this is a high repetition exercise, and keep feet flat on floor. Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she enjoys training aspiring female ...
Increase muscle strength with barbell exercises done while lying down. Learn about muscle training, fitness, and growth in this fitness video. Take action: do not rock arms and keep core tight. Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she enjoys training aspiring female body builders as sh...
Exercise the quadriceps muscle with quad extensions. Learn about increasing leg strength in this training video. Take action: keep core tight, squeeze legs at top of movement, but only legs will move. Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she enjoys training aspiring female body builder...
Working out the arms with standing dumbbell curls. Learn to increase muscle strength in the arms with dumbbells and curl exercises. Take action: start with feet shoulder-width apart, palms face forward, keep elbows at sides, and do not rock. Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she enj...
Gain muscle strength and flexibility with diagonal lunges. Learn about dumbbell exercises to promote fitness in this weightlifting video. Take action: maintain balance, keep back leg straight, and increase difficulty by adding dumbbells. Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she enjoys ...
Sumo squats will help to strengthen the legs. Learn how to properly do squats in this workout video. Take Action: hold in squat position to increase difficulty, feet wider then normal squat, and keep chest and head high. Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she enjoys training aspiring...
Increase flexibility and prevent injury by stretching the triceps. Learn how to do stretches and arm exercises in this video. Take action: hold stretch for 20-30 seconds, stretch when muscles are warm, and hold stretch at point of mild discomfort. Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and s...
Increase muscle strength and flexibility with dumbbell rear lunges. Learn about dumbbell weight training and exercises in this video. Take action: keep chest high, shoulders back, core tight, raise knee to increase difficulty, make sure back step is big, and add hop to increase difficulty. Michelle is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting ...
Increase muscle strength with dead lift exercises. Learn tips and techniques for proper weightlifting in this fitness video. Take action: keep bar close to legs, don't round the back and use proper form. Michelle is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she enjoys training aspiring female body builders as she is one herself. She focuse...
Working out with bent knee hip extensions requires attention to form. These knee extensions are also called Romanian Dead Lifts. Learn about hip extension exercises in this dumbbell fitness video.
In this 41 minute tutorial, learn how to build a spherical glass mesh with softbody physical properties (and filled with round particles) that enable it to bounce without breaking in Cinema 4D. Nick from Greyscale Gorilla shows how.
Want to preserve an old family photograph for posterity without also preserving the physical imperfections of the print? Touch it up with Photoshop. Whether you're new to Adobe's popular image editing software or simply looking to pick up a few new tips and tricks, you're sure to benefit from this free video tutorial from the folks at Britec Computer Systems. This video offers a step-by-step guide on how to restore images within Adobe Photoshop.
A short video dedicated to the DNA Phantom Effect and how it might be related to human emotion. The DNA Phantom Effect is a questionable discovery by Russian scientist and "father of Wave Genetics", Peter P. Gariaev. In 1985 the very first evidential proofs of DNA being able to maintain wave/field type memory were found. That same year, the "DNA Phantom Effect" was given its name after observations made by Gariaev stated that physical DNA somehow attracted and manipulated light in a vacuum ch...
Triceps tendon ruptures are not very common, but they are a debilitating injury. A triceps tendon rupture may require surgery. Learn how to treat sports injuries in this how-to video on health and rehab.
LCL stand for lateral collateral ligament, and it is a ligament of the knee. Rehabbing a torn LCL after surgery can be an involved process. Learn how to treat sports injuries in this how-to video on health and rehab.
Heel spurs are a very painful condition of the foot and occurs over time. Heel spurs often feel like you are walking on a pebble. Deal with the nagging heel spur injury with stretching, foot care and other methods. Learn how to treat sports injuries in this video on health and rehab.
A quadriceps muscle injury is an injury to the muscles on top of your thigh. Treat and strengthen a pulled quad muscle using a few simple steps. Learn how to treat sports injuries in this how-to video on health and rehab.
Turf toe may not sound serious, but it can end an athlete's career. Turf toe involves rupturing the capsule underneath the big toe. Learn how to treat sports toe injuries in this how-to video on health and rehab.
The meniscus is one of the most frequently injured parts of the knee. Rehabbing a torn meniscus must be done with care and proper direction. Receive tips for treatment of a torn meniscus in this how-to video on health and rehab.
Treatment and rehab training with a wobble board can be especially helpful for increasing balance. A wobble board is especially great for ankle, knee or hip injuries. Learn how to treat sports injuries in this video on health and rehab.
Golfer's elbow can be an aggravation that negatively impacts one's swing. However it doesn't only affect golfers, it golfers elbow can affect anyone. Golfer's elbow is also more commonly known as tendinitis of the medial side of the elbow. Learn how to treat sports injuries in this how-to video on health and rehab.
