Hesi a2 chemistry quest with ans and expla Study guides, Study notes & Summaries
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HESI A2 Chemistry Questions with Answers and Explanations UPDATED
- Exam (elaborations) • 15 pages • 2024
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HESI A2 Chemistry Questions with 
Answers and Explanations 
UPDATED 
1. Which of the following substances allows for the fastest diffusion? 
A. gas 
B. solid 
C. liquid 
D. plasma 
Explanation: Diffusion is fastest through gases. The next fastest medium for diffusion is liquid, 
followed by plasma, and then solids. In chemistry, diffusion is defined as the movement of 
matter by the random motions of molecules. In a gas or a liquid, the molecules are in perpetual 
motion. For instance, in a quan...
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