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Quantum tunnelling can at times be the cause of kinetic isotope effects, and in these cases conventional wisdom has been that molecules with isotopes of larger mass will react more slowly. New ...

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What causes tides How tides are used to generate electricity Where tidal turbines work best What the advantage and disadvantages of tidal energy are This resource is suitable for energy and ...

Hinge joints allow flexion and extension only. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl. The knee flexes ...

You may have heard that you should try to avoid eating too many simple sugars, but what does that mean? What are simple sugars? Are simple sugars carbohydrates? To answer both questions: simple sugars ...

Reaction kinetics and dynamics refers to the study of why, how and how fast chemical processes take place. Chemists seek to understand the details of change at the molecular and quantum level and how ...

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