NOTE: no need for explanation, just answer it with correct letters. Carbohydrates serve asa máipr source of energy for living things. Which of theTollowing food groups is NOTa source of carbohydrate?C. Milk and yogurtsD. Nuts and legumesA.Breads and pastaB.Fish and poultry20. According to the collision theory, what should happen to the molecules of thereactants for a certain chemical reaction to occur?A. Clustering with one anotherB. Colliding with one anotherC. Reacting with one anotherD. Rearranging with one another27. How does a catalyst speed up a reaction?A. By raising the activation energyB. By lowering the activation energyC. By increasing the collision probabilityD. By decreasing the collision probability28. Hydrogen peroxide commonly known as agua oxigenada, decomposes into waterand oxygen gas. Adding Magnesium oxide catalyzes this reaction. Two set-ups ofthe decomposition of the same amounts of Hydrogen are observed. The firstset-up finishes after 10 minutes while the second set up finishes after 5 minutes.Which of the two set-ups is catalyzed?A. Set-up 1B. Set-up 2C. Set-up 1 and 2D. This problem lack important details.29. Refer to the figure below. In which set-up will the reaction occur faster?SH up XSet up OA. Set-up QB. Set-up XC. They have the same speed.D. The reactions cannot be determined.30. Which pertains to the minimum amount of energy required to initiate a chemicalreaction?C. Chemical ReactionA. Activation rateB. Activation energyD. Concentration31. Which of the following statements about rates of reaction is TRUE?A. A sugar cube will dissolve faster in water than a powdered sugar.B. Coffee powder will dissolve faster in hot water than in cold water.C. Painting iron fences decreases the surface area exposed to the air, thus delaysrusting.D. One gram of powdered juice dissolved in 100 ml of water will have a moreintense taste than a 5 gram of powdered juice dissolved in the same amountof water.2022.04.01 21:49

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following food groups is NOT a source of carbohydrate? A. Breads and pasta B. Fish and poultry C. Milk and yogurts D. Nuts and legumes 20. According to the collision theory, what should happen to the molecules of the reactants for a certain chemical reaction to occur? A. Clustering with one.another B. Colliding with one another C. Reacting with one another D. Rearranging with one another - 27. How does a catalyst speed up a reaction? A. By raising the activation energy B. By lowering the activation energy C. By increasing the collision probability D. By decreasing the collision probability

following food groups is NOT a source of carbohydrate? A. Breads and pasta B. Fish and poultry C. Milk and yogurts D. Nuts and legumes 20. According to the collision theory, what should happen to the molecules of the reactants for a certain chemical reaction to occur? A. Clustering with one.another B. Colliding with one another C. Reacting with one another D. Rearranging with one another - 27. How does a catalyst speed up a reaction? A. By raising the activation energy B. By lowering the activation energy C. By increasing the collision probability D. By decreasing the collision probability

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter17: Chemical Equilibrium

Section: Chapter Questions

Problem 85A

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