Why is there no chain reaction with u 238?

Why is there no chain reaction with u 238? However, it is fissionable by fast neutrons, and is fertile, meaning it can be transmuted to fissile plutonium-239. U cannot support a chain reaction because inelastic scattering reduces neutron energy below the range where fast fission of one or more next-generation nuclei is probable. Why U […]

How big is a 1 ton rock?

How big is a 1 ton rock? 240 square feet How big is a 200 pound rock? Our Half Man and One-Man Quarry Rock are typically 25 lbs. to 200 lbs. angular shaped rocks with dimensions varying from 6” to 18”…. Rock Size Rock Weight Avg. Dimensions Half Man 25 – 50lbs 6″ – 12″ […]

What is that ringing sound you hear in silence?

What is that ringing sound you hear in silence? In a silence where some people could hear a pin drop, people with tinnitus hear a constant ringing in their ears. Or the sound may be a popping, rushing, pinging, chirping, whistling, or roaring. Can you ignore tinnitus? MYTH: THERE IS NOTHING I CAN DO ABOUT […]

Is milk a pure?

Is milk a pure? Complete answer: As we know that the pure substances are either elements or compounds while the mixture is a resultant product of any two or more than two substances. Therefore milk is a mixture not a pure substance. Main compounds of milk are lactose and casein. How can we check pure […]

What is the most common grammar mistake?

What is the most common grammar mistake? 10 Common Grammar Mistakes Writers Should Avoid 1 Overuse of adverbs. 2 Too many prepositional phrases. 3 Ambiguous (“Squinting”) modifiers. 4 Misuse of lie/lay. 5 Ambiguous pronoun references. 6 Comma splices. 7 Run-on sentences. 8 Wordiness (inflated sentences) Is bad grammar a sign of low intelligence? No it […]

How long does it take to walk 1 acre?

How long does it take to walk 1 acre? about three minutes How many football fields is 2 acres? One acre equals 43,560 square feet, so a football field is about 1.32 acres in size. So, to answer your question, there are . 75625 football fields per acre. How big is 30 acres in football […]

What are the two types of integral proteins?

What are the two types of integral proteins? According to their their relationship with the bilayer, integral membrane protein can be classified two primary types: integral polytopic proteins and Integral monotopic proteins. Integral polytopic proteins are also known as “transmembrane proteins” which can span across the membrane at least once (Fig. What are the types […]

What is the peak-to-peak value of a sine wave?

What is the peak-to-peak value of a sine wave? Peak value of sine wave means the maximum value found on a sinusoidal waveform compared to the zero level. Other commonly used amplitude values are root mean square and peak-to-peak. How do you find the RMS value of a sine wave? Then the RMS voltage (VRMS) […]

What are the 2 types of Autotrophs?

What are the 2 types of Autotrophs? Scientists classify autotrophs according to how they obtain their energy. Types of autotrophs include photoautotrophs, and chemoautotrophs. Where do Chemoautotrophs get their energy from? Chemoautotrophs are able to synthesize their own organic molecules from the fixation of carbon dioxide. These organisms are able to produce their own source […]

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