Kinetics quiz Loading... 1. What type of substance speeds up a chemical reaction but is chemically unchanged at the end of the reaction?ReagentSoluteCatalystOreQuestion 1 of 15 Loading... 2. What is meant by the term activation energy?The maximum energy of the final product for it to be stableThe minimum energy that the particles in collision must have if a reaction is going to occurThe energy provided by the catalyst to allow a reaction to proceedThe energy released by the reactionQuestion 2 of 15 Loading... 3. Explain the effects of increasing the temperature on the rate of a reaction in terms of particle collision theory1) particles have less kinetic energy 2) less frequent collisions 3) and a lower proportion of the collisions which occur have greater or equal to the activitation energy 4) decrease rate of reaction1) particles have less kinetic energy 2) less frequent collisions 3) and a lower proportion of the collisions which occur have greater or equal to the activitation energy 4) increase rate of reaction1) particles have more kinetic energy 2) more frequent collisions 3) and a higher proportion of the collisions which occur have greater or equal to the activation energy 4) increase rate of reaction1) particles have more kinetic energy 2) more frequent collisions 3) and a lower proportion of the collisions which occur have greater or equal to the activitation energy 4) increase rate of reactionQuestion 3 of 15 Loading... 4. Calcium carbonate reacts with an excess of hydrochloric acid in a flask. The mass of flask and contents decreases over time as the carbon dioxide escapes. This is shown on the graph. How would the graph look different if the reaction was done with a lower concentration of hydrochloric acid?Lines falls less steeply. Levels out at same level.Lines falls more steeply. Levels out at same level.Lines falls more steeply. Levels out at lower level (but still above zero).Lines falls more steeply. Levels out at higher level.Question 4 of 15 Loading... 5. State the catalyst used for making oxygen through the decomposition of hydrogen peroxideManganese (IV) oxide, MnO₂Vanadium (V) oxide V₂O₅Potassium permanganate (VII), KMnO₄Magnesium (II) oxide, MgO₂Question 5 of 15 Loading... 6. Write the word equation for the decompostion of hydrogen peroxide, H₂O₂hydrogen peroxide → hydrogen + oxygen + carbon dioxidehydrogen peroxide → water + hydrogenhydrogen peroxide → water + oxygenhydrogen peroxide → water + oxygen + carbon dioxideQuestion 6 of 15 Loading... 7. Calcium carbonate reacts with an excess of hydrochloric acid in a flask. The volume of carbon dioxide given off is measured in a gas syringe. This is shown on the graph. How would the graph look different if the reaction was done with twice the volume of the acid?Line rises more steeply. Levels out at same level.No change. Line would look the same.Line rises more steeply. Levels out at a level twice as high as the original.Line rises at the same rate, but levels out at twice the height.Question 7 of 15 Loading... 8. Explain how a catalyst worksA catalyst increases the concentration of the reagents by taking up water to increase the rate of reactionA catalyst reduces the activation energy of the reactionA catalyst provides an alternative pathway with lower activation energyA catalyst increases the surface area of the reagents to increase the rate of reactionQuestion 8 of 15 Loading... 9. What happens to the rate of reaction if the temperature is INCREASED?Rate of reaction decreasesRate of reaction is unaffectedRate of reaction increasesReaction stopsQuestion 9 of 15 Loading... 10. What simple change could be made to a reaction to speed it up dramatically?Decrease the pressureHeat it upDecrease the concentrationDecrease the surface areaQuestion 10 of 15 Loading... 11. What is a catalyst?A substance that slows down a chemical reaction but is chemically unchanged at the end of the reactionA substance that speeds up a chemical reaction but is used up as the reaction proceedsA substance that speeds up a chemical reaction but is chemically unchanged at the end of the reactionA substance that helps dissolve insoluble reagents to speed up the rate of reactionQuestion 11 of 15 Loading... 12. Give a simple reaction can be used to investigate the effect of changing concentration on the rate of reactionEthene of various concentrations reacted with water to make ethanolMarble chips added to hydrochloric acid of various concentrationsIron ore of various concentrations reacted via the displacement method to produce ironSodium hydroxide of various concentrations added to hydrochloride acid to produce sodium chlorideQuestion 12 of 15 Loading... 13. With how much energy must two particles collide for a reaction to occur?The particles must collide with an energy greater than the activation energyThe particles must collide with an energy equal to the activation energyThe particles must collide with an energy less than the activation energyThe particles must collide with an energy greater than or equal to the activation energyQuestion 13 of 15 Loading... 14. Give a simple reaction can be used to investigate the effect of changing surface area on the rate of reactionLarge chips or powdered ion ore reacted to produce iron using the displacement methodLarge chips or powdered sodium nitrate added to hydrochloric acidBurning powdered magnesium or strips of magnesium in airHydrochloric acid added to either marble chips or powdered calcium carbonateQuestion 14 of 15 Loading... 15. Explain the effects of increasing the concentration of solutions on the rate of a reaction in terms of particle collision theory1) more particles in same space 2) less frequent collisions 3) increase rate of reaction1) more particles in same space 2) more frequent collisions 3) decrease rate of reaction1) more particles in same space 2) less frequent collisions 3) decrease rate of reaction1) more particles in same space 2) more frequent collisions 3) increase rate of reactionQuestion 15 of 15 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-02-16T16:44:05+00:00Categories: Uncategorized|Tags: Quiz, Topic: Kinetics| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail