Answer:
Heat Lost = (120 - 12.6) deg * 170 g * S = `18260 gm-deg * S
Heat Gained = (12.6 - 10) deg * 200 gm* 1 cal/ gm-deg - 520 cal
S = 520 / 18260 cal / gm-deg = .0285 cal / gm-deg
Since Heat Lost = Heat Gained
Answer:
a. Liquid state
b. At point R. The physical state of water at its boiling point temperature of 100 degree Celsius will be both liquid state as well as gaseous state.
c. at 110 degrees it is in gaseous state
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Answer:
Ionic compound.
Explanation:
812° C is a very high melting point. Such high melting points are generally ionic compound. Ionic compounds are have very strong bond between the elements ( electrostatic bond). In order to break this bond, large amount of heat energies are needed. So, they have high melting point. Also, Ionic compound are very good conductors of electricity.