Density (g/cm3)
Mass
(9)
3000
750
1800
85
150
275
12350
Volume
(cm3)
220.6
96.2
159.3
Mercury
Iron
Lead
Gold
Aluminium
Copper
Marble
55.6
30.9
4750

What three things determine the shape and size of a puddle when water is poured out onto a surface

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How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next