QQuestionChemistry
QuestionChemistry
Would KCl be expected to be a solid at room temperature? Why?
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Answer
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Step 1: Understand the problem
We are asked to determine if KCl (potassium chloride) would be expected to be a solid at room temperature and provide a reason for our answer. To solve this problem, we need to know the melting point of KCl and compare it to room temperature.
Step 2: Gather relevant information
The melting point of KCl is approximately 770.1°C or 1043.3 K (1). Room temperature is typically around 25°C or 298 K (2).
Final Answer
Yes, KCl would be expected to be a solid at room temperature because its melting point is significantly higher than room temperature. References: (1) "Potassium Chloride." National Institute of Standards and Technology, nist.gov, https://webbook.nist.gov/cgi/cbook.cgi?ID=C^143300&Units=SI&Mask= 2. (2) "Standard Temperature and Pressure." National Institute of Standards and Technology, nist.gov, https://www.nist.gov/pml/special-publication- 811 /nist-guide-si-chapter- 2 -fundamental-physical-constants.
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