The normal force acts to the surface the object is sitting on. at a 75-degree angle

perpendicular

parallel

at a 45-degree angle

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

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 is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0