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The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
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Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude
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Convert 1.5x10^25 atoms of hydrogen into moles of Hydrogen...
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