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1) Greater London Council

2) Gas Liquid Chromatography

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14y ago

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What are the different parts of the chemical equation A(s) B(l) C(g) D(aq)?

The equation with proper punctuation is A(s) + B(l) = C(g) + D(aq)where the chemicals (elements or compounds) are identified as follows:A and B are reactants - A is a (s)olid, and B is a (l)iquid.C and D are products - C is a (g)as and D is an (aq)ueous solution (in water)


What volume of O2 collected at 22.0 C and 728 mm Hg would be produced by the decomposition of 8.15 g KClO3?

2.52 L


When is it helpful to use density?

If you do not know which material you have, knowing the density can help you identify it. Examples: Solid - water - noble gasCopper has a density of 8950 kg/m3 = 8.95 kg/dm3 = 8.95 g/cm3.Water has a density of 1000 kg/m3 = 1000 g/L = 1.000 kg/dm3 = 1.000 kg/L = 1.000 g/cm3 = 1.000 g/mL.Helium has a density of 0.1785 kg/m3 = 0.1785 g/L = 0.0001785 kg/dm3 = 0.0001785 kg/L =0.0001785 g/cm3 = 0.0001785 g/mL.


Which one of the following is a combination reaction?

Type your answC.2H2O (l) → 2H2 (g) + O2 (g)er here...


If something is compact what is its density?

Copper has a density of rho = 8950 kg/m3 = 8.95 kg/dm3 = 8.95 g/cm3. Water has a density of rho = 1000 kg/m3 = 1000 g/L = 1.000 kg/dm3 = 1.000 kg/L = 1.000 g/cm3 = 1.000 g/mL Helium has a density of rho = 0.1785 kg/m3 = 0.1785 g/L = 0.0001785 kg/dm3 = 0.0001785 kg/L = 0.0001785 g/cm3 = 0.0001785 g/mL. In this example: Metal has a density of 8950 kg/m3. Liquid has a density of 1000 kg/m3. Gas has a density of 0.1785 kg/m3. The metal copper is compact.