Astar is estimated to have a mass of 1 ✕ 1036 kg. assuming it to be a sphere of average radius 6.5 105 km, calculate the average density of the star in units of grams per cubic centimeter.

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

What extra step distinguishes fermentation from glycolysis

Why is it that 85.48 rounded to two significant figures is 85 and not 86?