An airplane leaves New York to fly to Boston it travels 1000 KM in two hours what is the average speed of the airplane

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation