What is the chemical formula for Anhydrous Ammonia?

Study for the RETA Certified Industrial Refrigeration Operator Test. Prepare with multiple choice questions, each with hints and explanations. Ensure you're ready for your exam!

The chemical formula for Anhydrous Ammonia is NH3. This compound consists of one nitrogen atom (N) and three hydrogen atoms (H), making it a simple molecule. Anhydrous ammonia is commonly used in industrial refrigeration systems, as it is an efficient refrigerant and has various applications in agriculture and chemical manufacturing.

Understanding the structure of NH3 is important in the context of refrigeration because ammonia has desirable thermodynamic properties which allow it to absorb heat effectively during the refrigeration cycle. Furthermore, when it comes to ammonia's role in refrigeration, it is crucial to differentiate this anhydrous form from other nitrogen and hydrogen combinations, as they possess different chemical properties and uses.

The other options listed represent different compounds with distinct chemical structures and functions, none of which correspond to anhydrous ammonia. For example, NH4 is the ammonium ion, N2H4 is hydrazine, and NO3 is the nitrate ion, none of which serve as anhydrous ammonia in refrigeration applications. Therefore, NH3 is recognized as the correct answer in this context.

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