Picture sliding a block down a smooth ramp. how would friction affect this block as it slid?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver