why do most polymer blends exhibit lower critical solution temperatures rather than a uppper critical solution temerature

State the formula for density in words and mathematical symbols

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?