The vapor pressure of the water is lowered whenever a solute is added to a solvent because there are fewer solvent particles on the surface to evaporate. The diagram above shows that the vapor pressure of the solution is lower than that of the pure solvent, Therefore, the freezing point is also lowered.
Watch for signs of cervical dilation if you are near the end of your pregnancy. This indicates that you are in labor, and it's time to talk with your doctor or midwife. As the baby's head begins to press down on the opening of the uterus, the cervix will start to thin out and open.
The process of labor and birth is divided into three stages: The first stage begins when you start having contractions that cause progressive changes in your cervix and ends when your cervix is fully dilated.This stage is divided into two phases:1  Early labor: Your cervix gradually effaces (thins out) and dilates (opens).he first stage begins when you start having contractions that cause progressive changes in your cervix and ends when your cervix is fully dilated. This stage is divided into two phases: 1  Early labor: Your cervix gradually effaces (thins out) and dilates (opens).