I'll mark you the brainlest please help according to newton's second law of motion force is equal to
A. power multiplied by velocity
B. mass multiplied by acceleration
C. position multiplied by mass
D. mass multiplied by velocity

Chemistry worksheet - i am not sure what they are asking for exactly?

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw