Gcse rate of reaction questions
WebLevel 1 (1-2 marks) Add calcium carbonate powder to a conical flask. Pour hydrochloric acid into the flask, mix, and immediately attach a gas syringe. Measure how much gas has been produced every 20 seconds, and record in a table. Compare the results to find out which reaction has a faster rate. WebThe rate of reaction and the factors affecting it is a key topic in the GCSE chemistry specifications. You need to understand how these different factors such as pressure, …
Gcse rate of reaction questions
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WebThe rate of reaction is shown to be dependent on the concentration terms of reactant A and reactant B. Then, Rate of reaction ∝ [A] α [B] β. or Rate = K [A] α [B] β. This expression … WebA student investigated how the rate of reaction is affected by concentration in the reaction between calcium carbonate and hydrochloric acid. \n. The method they used is shown below. \n \n; Pour 25 cm 3 of hydrochloric acid into a conical flask \n; Add 5.0 g of calcium carbonate powder to the conical flask \n; Attach a gas syringe to the ...
Webthe rate of reaction is the same as when no catalyst is present ☐ B: water and oxygen are the only products of the reaction ☐ C: some of the catalyst is used up ☐ D: the volume … WebIn this GCSE Chemistry revision video, Hazel answers an AQA Additional Science exam question on rates of reaction.These videos are designed to help you with ...
Web10. Carbon dioxide is added to a conical flask, containing limewater, that is then sealed. The limewater reacts slowly with the carbon dioxide in the flask. Which method can be used to follow the rate of the reaction? Change in volume of the gas. Change in mass for the reaction. Change in colour of the solution. Check score.
WebQuestion 1b. Marks: 3. Methanol is produced industrially by reacting carbon monoxide with hydrogen. The equation for the reaction is: CO (g) + 2H2 (g) ⇌ CH3OH (g) b) The …
WebExample Questions. Question 1: During a chemical reaction, 5.6\text { cm}^ {3} 5.6 cm3 of \text {HCl} HCl is used up. The reaction takes 120 120 seconds. Calculate the mean rate of reaction. Question 2: In another … hxsj t66 wireless rgbWebShe calculated the rate of the reaction. (a) The equation for the reaction is: Na 2 S 2 O 3 (aq) + 2 HCl(aq) 2 NaCl(aq) + S(s) + SO 2 (g) + H 2 O(l) Name the product that made the mixture go cloudy. _____ (1) (b) The student investigated the effect of changing the temperature of the sodium thiosulfate solution on the rate of reaction. hxsj t88 wireless gaming mouseWeb12 rows · Rates of Reaction. Revision Questions. The best way to remember the information in this ... hxsj x50 2.4ghz wireless optical gaming mouseWebThe reaction is carried out at a pressure of 100 atmospheres. \n. This pressure gives a higher yield and a faster rate of reaction. \n. Explain why the rate of reaction is faster at higher pressures. \n \n [3 marks] \n hxs property ltdWebThe greater the frequency of successful collisions between reactant particles, the greater the reaction rate. Temperature, concentration, pressure and the use of catalysts affect … hxsl mouseWebAt equilibrium the rate of the forward reaction and the rate of the reverse reaction are equal: An endothermic reaction is exothermic if reversed: C: Reversible reactions are not useful in industry as they do not go to completion: To reach an equilibrium the reaction must occur in a closed system: D: The rate of the reaction is zero at equilibrium hxsj bluetooth mouseWeb656 Likes, 26 Comments - emilia angelillo (@emilia.science) on Instagram: "This is the second method to measure the rate of reaction. In this second video I am showing how..." emilia angelillo on Instagram: "This is the second method to measure the rate of reaction. mash occasion