Which is the correct definition of a compound?
A substance made up of only one type of atom
A...
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Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system
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Modern weaponry has increased the number of deaths in wars and violent conflicts.
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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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