Water is boiling in a clear pot, as shown in the picture. A clear pot full of water sits over gas burner. The water has large bubbles rising in the water.
Which takes place as water cycles from the bottom of the pot toward the top?

Thermal energy is transferred.
Water molecules gain kinetic energy.
Chemical energy is transferred.
Water molecules gain thermal energy.

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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

What is the common name for the compound shown here? enter the common name of the compound shown?