The graph shows the change in temperature of a sample of water in a closed system as thermal energy is added over
time.
150°C
100°C
Temperature (°C)
50°C
0°C
-50°C
-
10
50
60
20 30 40
Time (min)
What happens in the water during changes of state?

Hydrogen is the most abundant element on the periodic table..hope it .

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Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.

Answer(28.02g/mol);