![]() The appearance of this solid makes the liquid appear ‘milky’. Calcium carbonate is chalk, and when it is produced, it precipitates and solid particles of chalk appear. The carbon dioxide and limewater react to produce water in addition to the calcium carbonate. What happens when Lime Water reacts to Carbon Dioxide?Ĭarbon dioxide reacts with limewater to form calcium carbonate, which precipitates out of the solution. In this article, we have answered all the questions related to the reaction of lime water and. But one of its most noteworthy property is that it is used to absorb carbon dioxide from the air. Limewater is an aqueous solution of slaked lime and you will find it in antacids, medicines and lotions. You may be wondering what is lime water used for. Carbon dioxide is the only gas that turns lime water cloudy. You may often come across a question "What gas turns limewater cloudy?" The answer to this question is well known. Given this information, determine the activation energy for the reverse reaction, Er, and comment on the significance of the value (one sentence only). (iii)The activation energy for the forward reaction, Ef, of step 1 (Equation 3) is 243.4 kJ mol^-1. (ii) With reference to the three-step mechanism (Equations 3–5 ), and assuming that the second step (Equation 4) is rate-limiting, derive the chemical rate equation for this mechanism and then compare it with the experimental rate equation given in Equation 2. (i) Explain why the form of the experimental rate equation indicates that Reaction 1 cannot be an elementary reaction. ![]() Under certain experimental conditions, the experimental rate equation was found to be:Ī three-step mechanism has been proposed for Reaction 1: The gas-phase reaction between trichloromethane, CHCl3, and chlorine, Cl2, has time-independent stoichiometry and can be represented as follows:Įquation 1 CHCl3(g) + Cl2(g) = CCl4(g) + HCl(g)
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