5. Categorize each item as either a pure substance or a mixture. (a) chocolate pudding
(b) gold necklace
(c) bleach
(d) helium gas
(e) unfiltered tap water

Convert .347 kilometers to miles show your work

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils