chapter 3-Physics 0.0 / 5 ? PhysicsWaves and SoundGCSEAQA Created by: StudentCreated on: 03-12-18 13:36 What is Density? Density is the mass of unit volume of a substance. 1 of 10 What is the equation for Density? Density= Mass/Volume P=M/v 2 of 10 What is Conservation of Mass? When a substance changes state, mass is conserved. This process is reversible 3 of 10 What factors increase temperature? The mass of liquid heated, the liquid being heated and the energy input to the system 4 of 10 What is latent heat? Latent heat is the energy needed for a substance to change the state of a substance without the change in substance 5 of 10 What is Specific latent heat? The amount of energy needed to change the state of 1kg of a substance without the change in temperature 6 of 10 What is the Formula for SLH? E=ml where E is the change in state, the m is mass and the L is Specific latent heat. 7 of 10 What is specific latent fusion? The change of state from solid to liquid 8 of 10 What is specific latent vaporisation? The change of liquid to vapour 9 of 10 What is gas pressure? The total force exerted by all the molecules inside the container that strike a unit area of the wall. 10 of 10
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