Essays Tagged: "Calcium Hydroxide"

Chemistry of water treatment

¡æ 2Al(OH)3 (s) + 3CaSO4 + 6CO2 (g), where aluminum sulfate (alum) is the coagulant and calcium bicarbonate gives the extra alkalinity needed to precipitate aluminum hydroxide (Cheremisino ... uring coagulation (int 16, 1). Ferric sulfate (Fe2(SO4)3) is also a common coagulant, reacting with calcium bicarbonate to precipitate Fe(OH)3 in the reaction Fe2(SO4)3 + 3Ca(HCO3)2 ¡æ 2Fe ...

(8 pages) 72 1 3.7 Mar/2004

Subjects: Science Essays > Chemistry

Types of hemical reactions - Practical Report-(Refer to word document for subscripts,tables and correct characters.)

h the delivery tube and through the limewater:CO2 + Ca(OH) 2 CaCO3 + H2OCarbon dioxide + Limewater (Calcium hydroxide) Calcium carbonate + WaterThis reaction leaves us with the calcium carbonate preci ... and Heat) Carbon Dioxide + Metal(X) OxideDecomposition of a carbonate with an acidApparatus:SpatularCalcium carbonate2mol L-1 Hydrochloric acidTest tube (x2)LimewaterProcedure:1. Place a spatular of c ...

(7 pages) 40 0 1.0 Jun/2004

Subjects: Science Essays > Chemistry

Establishing the concentration of a limewater solution

vided with 250 cm3 of limewater, which has been made such that it contains approximately 1g dm?3 of calcium hydroxide. Also available is hydrochloric acid which has a concentration of 2.00 mol dm?3, t ... ette5) White tile6) Clamp and stand7) Indicator (methyl orange)8) Limewater (250cm3 with 1g dm?3 of calcium hydroxide)9) Hydrochloric acid- standard solution (conc. 2.00 mol dm?3)10) Distilled waterSl ...

(5 pages) 53 0 5.0 Jun/2004

Subjects: Science Essays > Chemistry

How did calcium compounds affect the world?

When most people hear the word 'calcium' they think of what is in milk and other dairy products. Most people think that you need cal ... iry products. Well, whoever seriously thinks like this should get some extra research done, because calcium is used almost every day in our lives. Not only medically, but also in the world around us. ... ur lives. Not only medically, but also in the world around us. A calcium compound is basically when calcium has been combined with two or more elements. For example calcium hydroxide ( Ca(OH)2 )This v ...

(3 pages) 28 0 4.1 Sep/2004

Subjects: Science Essays > Chemistry

Acetylene

ts: Hydrogen, carbon monoxide.Hazardous Polymerization: Has not been observed.How acetylene is made Calcium carbide is made by reacting limestone, coke and coal, which is then subsequently reacted wit ... oduce acetylene. Acetylene gas can be manufactured in a laboratory and commercially by adding solid calcium carbide to water, when made commercially large acetylene generators are used.. The products ...

(1 pages) 1928 0 4.0 Feb/2008

Subjects: Science Essays > Chemistry

Essay & Research Project #2

ected carbon dioxide will therefore turn limewater cloudy. Limewater is a common name for saturated calcium hydroxide solution, Ca(OH)2. When carbon dioxide is added to limewater, water and calcium ca ... rbonate (chalk) are produced. In limewater, if carbon dioxide are present, a white precipitation of calcium carbonate (chalk) will form.Limewater + Carbon dioxide → Calcium Carbonate + WaterCa(OH ...

(4 pages) 12 0 0.0 Jun/2008

Subjects: Science Essays > Chemistry

Development of pre-dried and blended lime mortars for the ready-mix market

acking too much. Lime mortars also repair fine cracks themselves as rainwater slowly deposits fresh calcium carbonate taken into solution from the surrounding lime mortar, hence the fine cracks end up ... cturing process of non hydraulic lime for constructional purposes involves the following; quarrying calcium carbonate (CaCO3), commonly in the form of limestone, chalk or shell. This is then heated in ...

(10 pages) 16 0 4.0 Oct/2008

Subjects: Science Essays > Engineering > Civil Engineering

Isolate carbon dioxide through the upward displacement of air and then demonstrate some of its chemical and physical properties with the isolated CO2.

Chemicals:• Calcium Carbonate (CaCO3) (2g)• 2M Hydrochloric Acid Solution (HCl) (20ml)• Distilled Wate ... al8 and then manipulated to satisfy my specific desires. The reaction between hydrochloric acid and calcium carbonate is as follows:2HCl (aq) + CaCO3 (s) → CaCl2 (aq) + H2O (l) + CO2 (g)1.)Protec ... up to collect carbon dioxide by the upward displacement of air as shown in Appendix A.4.)2 grams of calcium carbonate was measured using the small plastic lid and the scales and then placed into the r ...

(3 pages) 2391 0 4.0 Feb/2010

Subjects: Science Essays > Chemistry

chemistry essay

ed to heat up food and drink in these cans?:Heat is generated inside the Hot-Can from the mixing of Calcium Oxide (quicklime, CaO) with Hydrogen Dioxide (water, H2O) which produces Calcium Hydroxide ( ... this exothermic reaction is:CaO + H2O > Ca(OH)2 + HeatOnce the heating reaction is complete, the Calcium Hydroxide (Ca(OH)2) reacts readily with Carbon Dioxide (CO2 ) in the air to form Calcium Car ...

(3 pages) 19 0 0.0 Jun/2014

Subjects: Science Essays > Chemistry