In Newton’s first law of motion, a moving object that is not acted upon by a net force will

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?