A 5k block is pulled across a table by horizontal force of 40 N with a frictional force of 8 N opposing the motion

Asolid that forms and separates from a liquid mixture is called

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest