What are the major types of chemical reactions?

What are the major types of chemical reactions? Having a thorough understanding of these types of reactions will be useful for predicting the products of an unknown reaction. The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. What is the difference between a chemical equation and a chemical reaction? Chemical […]

How much of Florida was underwater?

How much of Florida was underwater? As glaciers of ice in the north expanded and melted, the Florida peninsula emerged and submerged. When the sea level was lowest, the land area of Florida was much larger than it is now. The sea level was as much as 100 feet lower than at present. Florida s […]

What does 6 fire sirens mean?

What does 6 fire sirens mean? Few people really know what it means when they hear about a six-alarm fire. Two-alarm fire: 40 firefighters and four members of comand staff; double the trucks. Three-alarm fire: 60 firefighters, six from command staff. Four-alarm fire: 80 plus eight. Why did I just hear a siren? 1. What […]

Is absolute dating better than relative?

Is absolute dating better than relative? In relative dating, fossils are dated according to the depth at which they were buried. While in the absolute dating, isotopes of carbon are used for dating fossils. The absolute dating is more precise than relative dating because it tells the exact age of the fossils. What is the […]

How many electrons are there with a charge of ΜC?

How many electrons are there with a charge of ΜC? Microcoulomb to Electron Charge Conversion Table Microcoulombs Electron Charge 0.000000000001 μC 6.2415 e 0.00000000001 μC 62.42 e 0.0000000001 μC 624.15 e 0.000000001 μC 6,242 e How many electrons does it take to make 100 ΜC of charge? The number of electrons that make up a […]

Why are the first 3 years of life so important?

Why are the first 3 years of life so important? Recent research confirms that the first five years are particularly important for the development of the child’s brain, and the first three years are the most critical in shaping the child’s brain architecture. They have a direct impact on how children develop learning skills as […]

Does a bullet touch the barrel?

Does a bullet touch the barrel? Bullets touch the inside of the gun’s barrel during normal operation. There’s rifling inside the barrel that’s supposed to impart spin on the bullet. So the barrel rubs grooves in the bullet (this is how CSI can match a bullet to a gun) but the softer bullet does little […]

Is MRSA hard to get rid of?

Is MRSA hard to get rid of? MRSA is resistant to many antibiotics so it can be difficult to treat. However, there are antibiotics that can treat MRSA and make the infection go away. Your doctor may culture your infection and have the lab test the bacteria to find out which antibiotic is best for […]

At what distance does gravity end?

At what distance does gravity end? Near the surface of the Earth (sea level), gravity decreases with height such that linear extrapolation would give zero gravity at a height of one half of the Earth’s radius – (9.8 m·s−2 per 3,200 km.) What is SI unit of weight? The SI unit of mass is the […]

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