Find my revision workbooks here.
Heating and cooling curve graph.
In this video i will explain the concept of heating and cooling curves as they applies to water and ethanol.
The sloped areas of the graph represent a.
Notice that the temperature stays the same during the state change freezing and this is the melting point.
They show how the temperature changes as a substance is cooled down.
Analysis of a heating curve.
Imagine that you have a block of ice that is at a temperature of 30 c well below its melting point the ice is in a closed container.
Cooling curves are the opposite.
A heating or cooling curve is a simple line graph that shows the phase changes a given substance undergoes with increasing or decreasing temperature.
Describe the substance between letters a and b.
Interpret heating and cooling graphs that include change of state reading heating and cooling curves examples and step by step solutions gcse igcse physics notes.
We look at what happens.
Plot a graph of temperature against time.
Practice plotting line graphs from data.
Https www freesciencelessons co uk workbooks in this video we look at heating and cooling curves.
Looking from left to right on the graph there are five distinct parts to the heating curve.
Heating curves show how the temperature changes as a substance is heated up.
As heat is steadily added to the ice block the water molecules will begin to vibrate faster and faster as they absorb kinetic energy.
The diagram shows a cooling curve for salol.
Play this game to review thermodynamics.
Solid ice is heated and the temperature increases until the normal freezing melting point of zero degrees celsius is reached.