B
test tube
beaker
с
liquid
water
D
E
heat

Aregular polygon has angkes of size 150° each. how many side has the polygon

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.