What is a quasi experiment example?

What is a quasi experiment example? This is the most common type of quasi-experimental design. Example: Nonequivalent groups design You hypothesize that a new after-school program will lead to higher grades. You choose two similar groups of children who attend different schools, one of which implements the new program while the other does not. Why […]

Why is Shield 2p better than 2s?

Why is Shield 2p better than 2s? 2p has higher energy level because the negatively charged electron experiences less of an effective nuclear charge than the 2s electron. What happens to shielding when you go down a group? Down a group, the number of energy levels (n) increases, and so does the distance between the […]

What does tightening a string do?

What does tightening a string do? Tension refers to how tightly the string is stretched. Tightening the string gives it a higher frequency while loosening it lowers the frequency. When string players tighten or loosen their strings, they are altering the pitches to make them in tune. The density of a string will also affect […]

Is Q A joule or kilojoule?

Is Q A joule or kilojoule? You want your q to be in units of Joules or kJ. If you used the q=mC(delta T) with your given C, your q would be in units of (grams)(kJ). In the problem, you were given the heat capacity, not the specific heat capacity. Therefore, you don’t need mass […]

What is the structure and function of biomolecules?

What is the structure and function of biomolecules? Biomolecule, also called biological molecule, any of numerous substances that are produced by cells and living organisms. Biomolecules have a wide range of sizes and structures and perform a vast array of functions. The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins. What […]

Is loudness related to frequency?

Is loudness related to frequency? Now when talking about sound waves the sound level of a noise (loudness), it is proportional to the intensity of the source. The loudness of a sound does not seem to depend on frequency. But according to the equation above, intensity DOES depend on frequency. How loud is 1000hz? Using […]

Which has more energy infrared or ultraviolet?

Which has more energy infrared or ultraviolet? Ultraviolet radiation carries more energy and infrared radiation less energy than visible light. Does ultraviolet carry energy? Simply put, ultraviolet radiation (also known as UV radiation or ultraviolet rays) is a form of energy traveling through space. Some of the most frequently recognized types of energy are heat […]

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