Aleks fundamentals of chemistry interconverting temperatures in Celsius and kelv

Question

Aleks fundamentals of chemistry interconverting temperatures in Celsius and kelvin Aleks fundamentals of chemistry interconverting temperatures in Celsius and kelvin Aleks fundamentals of chemistry interconverting temperatures in Celsius and kelvin O MATTER solid, liquid and gas phases of a pure There are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular formula NH,) at three different temperatures. The sketches are drawn as if a sample of ammonia were under a microscope so powerful that individual atoms could be seen. Only one sketch in each set is correct. Use the slider to choose the correct sketch in each set. You may need the following information melting point of NH3 -77.7 C bolling point of NH3: -333 C 9908 46"C O Type here to search

Explanation / Answer

Based on Melting point and Boiling point data:

At -46 oC, NH3 is in liquid form. Intermolecular attraction in this form will be more than gas but less than solid.

At 63 oC, NH3 is in gaseous form which is correctly shown in sketch where molecules are far apart from each other.

At -100 oC, NH3 will be in solid state which is again correctly shown in sketch where molecules will be closed attached with each other.

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