They add 6,5 g of zinc granules to excess DILUTE sulphuric acid and measure the mass of zinc used per unit time. border: none !important; We can measure the rate of the reaction by measuring how fast the reaction produces … var m = pw>(e.gw[ix]+e.tabw+e.thumbw) ? Shredded Vs Solid Latex Pillow, Sodium thiosulfate reacts with dilute hydrochloric acid to produce sodium chloride, water, sulfur dioxide and sulfur. Discus Fish Salt Treatment, Geotextile Erosion Control, Procedure: 5 cm 3 of 2 mol dm-3 hydrochloric acid is poured into each of the three test tubes on a rack. High concentrations imply that more reacting molecules are at high proximity to each o… Adjust quantities accordingly. ZIMSEC O Level Combined Science Notes: Experiment: The reaction of metals with dilute Hydrochloric acid. rate of reaction zinc and hydrochloric acid experiment. 0 : e.thumbw; LAB REPORT REACTION RATE. This X mark is important in the experiment to determine the rate of reaction by the time it takes for the mark to disappear. Pour some hydrochloric acid over the zinc pieces. #rs-demo-id {} € The reaction produced a precipitate, which made the mixture turn cloudy. The volume of carbon dioxide gas given off is measured at different intervals of time. Aim: To compare the rates of a few reactions. Develop an experiment to investigate a factor or factors that affect the rate of a chemical reaction. Place about 5cm depth of the acid in each of the five test tubes; Place a small piece of each of the three metals above. Method. Copper does not react with hydrochloric acid. for (var i in e.rl) if (e.gh[i]===undefined || e.gh[i]===0) e.gh[i] = e.gh[i-1]; for (var i in e.rl) if (e.gw[i]===undefined || e.gw[i]===0) e.gw[i] = e.gw[i-1]; 8 | Page Antonio Motta-Marques Dr Fowler Rates of Reaction Chemistry Sodium Thiosulphate and Hydrochloric Acid Reaction Rates Data Volume of Sodium Volume of Water Time, t, for the cross Thiosulphate(aq) in ml added (ml) to disappear (s) 50 0 63,13 40 10 73,37 30 20 107,59 20 30 188,53 10 40 483,16 Time, t, for the cross Temperature (°C) to disappear (s) 0 415.4 20 107.59 40 38 60 14,05 77 … Personally, I would opt for surface area of zinc metal: a solid lump of zinc would dissolve much more slowly than an equal weight of zinc powder which has a much greater surface area. 0 : e.tabw; /* ]]> */ box-shadow: none !important; !function(e,a,t){var r,n,o,i,p=a.createElement("canvas"),s=p.getContext&&p.getContext("2d");function c(e,t){var a=String.fromCharCode;s.clearRect(0,0,p.width,p.height),s.fillText(a.apply(this,e),0,0);var r=p.toDataURL();return s.clearRect(0,0,p.width,p.height),s.fillText(a.apply(this,t),0,0),r===p.toDataURL()}function l(e){if(!s||!s.fillText)return!1;switch(s.textBaseline="top",s.font="600 32px Arial",e){case"flag":return!c([127987,65039,8205,9895,65039],[127987,65039,8203,9895,65039])&&(!c([55356,56826,55356,56819],[55356,56826,8203,55356,56819])&&!c([55356,57332,56128,56423,56128,56418,56128,56421,56128,56430,56128,56423,56128,56447],[55356,57332,8203,56128,56423,8203,56128,56418,8203,56128,56421,8203,56128,56430,8203,56128,56423,8203,56128,56447]));case"emoji":return!c([55357,56424,55356,57342,8205,55358,56605,8205,55357,56424,55356,57340],[55357,56424,55356,57342,8203,55358,56605,8203,55357,56424,55356,57340])}return!1}function d(e){var t=a.createElement("script");t.src=e,t.defer=t.type="text/javascript",a.getElementsByTagName("head")[0].appendChild(t)}for(i=Array("flag","emoji"),t.supports={everything:!0,everythingExceptFlag:!0},o=0;o
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