A comment block of weight 200N has sides of length 5cm,10cm and 20cm. calculate the pressure exerted by the block when it is lying on the sides with the (i) Least area (ii) Greater area.​

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

When would a bouncy ball have the most potential energy

Identify a strong intermolecular force of attraction between an alcohol