How many harmonics are there? There are two types of harmonics in waves, they are even harmonic and odd harmonics. For example, a cylinder with both sides open will vibrate at both even and odd harmonics, but a cylinder with one closed side will vibrate at only odd harmonics. What is the difference between fundamental […]
Why is boron an exception?
Why is boron an exception? The problem with this structure is that boron has an incomplete octet; it only has six electrons around it. Hydrogen atoms can naturally only have only 2 electrons in their outermost shell (their version of an octet), and as such there are no spare electrons to form a double bond […]
What is the best product to absorb liquid?
What is the best product to absorb liquid? Incredible Minerals Today Floor-Dry: Absorbs more liquid than any other mineral on the market today. M.A.X.-Dri: Premium calcined clay absorbent. Optisorb: Industrial grade absorbent. Safe T Sorb: the #1 Safety Application Absorbent. Solid-a-Sorb: The #1 Janitorial Absorbent. Thrifty-Sorb: The #1 Automotive Absorbent. What absorbs liquid the best? […]
What is a positive terminal and negative terminal?
What is a positive terminal and negative terminal? Electrical polarity is a term used throughout industries and fields that involve electricity. There are two types of poles: positive (+) and negative (−). This represents the electric potential at the ends of a circuit. A battery has a positive terminal (+ pole) and a negative terminal […]
What household devices use mechanical energy?
What household devices use mechanical energy? Everyday Examples of Mechanical Energy Turning a doorknob. Breathing in and out. Hammering a nail. Riding a bicycle. Sharpening a pencil. Using kitchen appliances. Listening to music. Typing on a keyboard. What is the difference between kinetic and mechanical energy? The difference between kinetic and mechanical energy is that […]
Did Spain Help in the American Revolution?
Did Spain Help in the American Revolution? Spain contributed to the American Revolution from the onset by secretly providing money, gunpowder and supplies to the Americans. Clearly Spain, one of the world’s largest colonial powers, had a lot to lose by openly supporting colonial revolution in Britain’s colonies. What does England call the Revolutionary War? […]
Which is the best example of law of conservation of mass?
Which is the best example of law of conservation of mass? The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first […]
What did the Earth look like in the Paleozoic Era?
What did the Earth look like in the Paleozoic Era? The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread. And the first vertebrate […]
What are the three types of valleys?
What are the three types of valleys? Erosional valley: A valley formed by erosion. Structural valley: A valley formed by geologic events such as drop faults or the rise of highlands. Dry valley: A valley not created by sustained surface water flow. Longitudinal valley: An elongated valley found between two nearly-parallel mountain chains. How do […]