Chemistry, 12.04.2020 00:51 Bamaboy8804
Use the table to identify the phase and phase changes of the elements under the given conditions. Write the name of the substance, phase, or phase change.
When the temperature in a room increases from
25°C to 33°C,
changes from a solid
to a liquid.
In a lab, methane and nitrogen are cooled from
-170°C to -200°C. The methane freezes and the
nitrogen
.
When gold is heated to 2,856°C it changes from a liquid to a
.
A 3-column table with 4 rows. Column 1 is labeled Substance with entries Gallium (upper G a), Gold (upper A u), Methane (upper C upper H subscript 4), Nitrogen (upper N subscript 2). Column 2 is labeled Melting point in degrees Celsius with entries 30, 1,064, 2,856. negative 183, negative 210. Column 3 is labeled Boiling point in degrees Celsius with entries 2,204, negative 162, negative 196.
Answers: 3
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Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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Use the table to identify the phase and phase changes of the elements under the given conditions. Wr...
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