I have a question in regaurds to pressure/temperature relationship. We all know that when it comes to Sensible Heat, pressure and temperature are directly perportional as pressure rises the boiling temperature or saturation temperature also rises. And when it comes to Latent Heat pressure and temperature are indirectly perportional. As pressure rises latent heat of vaporization per Lb. falls. until a substance or refrigerant reaches its critical pressure. But my question is does the specific heat value of a substance change with pressure and if so how and in what way????