Change of state: Melting & Heating Curves Ice to Steam.

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Presentation transcript:

Change of state: Melting & Heating Curves Ice to Steam

Change of state ice  water  steam

Change of state ice  water  steam Temperature (°C) Draw a graph of temperature …

Change of state ice  water  steam Temperature (°C) Time …against the length of time it has been heated at a constant rate

Change of state ice  water  steam Temperature (°C) Time warming ice Really cold ice from the freezer

Change of state ice  water  steam Temperature (°C) Time melting ice The temperature remains constant as the ice melts

Change of state ice  water  steam Temperature (°C) Time 0°C Pure water melts at 0°C

Change of state ice  water  steam Temperature (°C) Time 0 warming water The temperature increases as the water is warmed

Change of state ice  water  steam Temperature (°C) Time 0 boiling water The temperature remains constant while the water boils

Change of state ice  water  steam Temperature (°C) Time 0 100°C Pure water boils at 100°C

Change of state ice  water  steam Temperature (°C) Time Pure water melts at 0°C and boils at 100°C

Change of state ice  water  steam Temperature (°C) Time heating steam Steam can give you a far worse burn than boiling water

Change of state ice  water  steam Temperature (°C) Time Pure water melts at ………°C and boils at ………°C