Wat is VIER van die kwaliteite wat benodig word vir verskillende verhoudings?
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Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

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.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?