p3 basics
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (12 张)
whats the arrangement of gas particles
• not close together • no forces • move constantly random directions • high energy
whats the arrangement of liquid particles
• irregular pattern • close together • move past each other • more energy than solid
whats the arrangement of solid particles
• vibrate in fixed positions • low energy • strong forces • close together
what is density
how much mass there is in a certain space
how do you calc density
D = M/V
how do you work out volume
length x width x height measuring cylinder
what causes gas pressure
particles colliding with each other and the side of container
how can gas pressure be increased
increase temp - particles have more energy therefore move faster and hit sides more frequently and with more force
what are flat parts in the specific latent heat diagram
change of state - energy used to break bonds rather than raise temp
what are the units for density
kg/m3
whats the equipment needed to measure density
eureka can measuring cylinder balance
how do you find the density of an irregular object
• weigh it on the balance to find the mass • fill eureka can with water and put a measuring cylinder at the spout • put the object in • measure the water in the cylinder = volume • density = mass / volume