Realone

What is the balanced equation of reaction between glacial acid, benzoic acid and sodium hydrogen carbonate solution

The speed of a point A due to the rotation of the earth is twice that of a point B.If A is on latitude 22°N.calculate the latitude of B

An aeroplane leaves a point on latitude 54°S at 10 a.m.it flies due south at a steady speed at 800km/h. (a)what is the latitude at mid-day(b) At what time does it pass over the south pole

An aeroplane leaves the point X (43°N,71°W) and flies due east at 500km/h.After 3hours (a)how far has it travelled (b)what is its longitude?

How many parallels of latitude have a radius of 2500km?

Show that the points (20°N,20°E) and (60°N,160°W) lie on the same great circle.Find their great circle distance apart.