Chemistry, 04.11.2021 22:10 lattimore12
Most meteors that fall into the Earth's atmosphere burn up before reaching
the ground. Why is this?
A. The sound waves are building up in front of the meteorite because
of its speed, and these vibrations shake the meteor apart.
O B. They are hitting air molecules at a high speed and breaking them
apart, which produces a lot of heat.
C. The meteorites create sonic booms that cause them to implode.
D. They are usually hit by lasers from defense flights.
Answers: 3
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In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need
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The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
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Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
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How can nonpolar molecule contain polar covalent bonds
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Most meteors that fall into the Earth's atmosphere burn up before reaching
the ground. Why is this...
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