This means that the process is _____. Which of the following processes is exothermic? Calcium hydroxide dissolves in water to form its solution called lime water. D) Graphite is more stable than diamond and energy is needed to convert graphite into diamond. C) Dehydrogenation is an endothermic reaction since energy is required to break the C − H bonds to convert ethane to ethylene. d. The vaporization of rubbing alcohol. Endothermic processes require an input of energy to proceed and are signified by a positive change in enthalpy. Anon. … 2 See answers Surnia Surnia Answer:iv) Decomposition of calcium carbonate to form quick lime and carbon dioxide. Favourite answer. … Answer Save. Relevance. Ice ia a solid . Problem 19 Hard Difficulty. 16CO2(g) +18H2O(l) → 2C8H18(l) + 25O2(g)c. H2(g) → H2O(l)d. CO2(s) → CO2(g) FREE Expert Solution Show answer. ii) Decomposition of vegetable matter into compost. The freezing of water b. Reason: H2O → H^+ + OH^– is an exothermic process. 1 Answer. Answer and explanation: To be thermodynamically favorable The reaction of trinitrotoluene with oxygen releases heat and light. Answer. The combustion of kerosene releases heat. This process is called slaking of lime. We’re being asked to determine which of the following processes is endothermic. 1 decade ago. An endothermic process is any process with an increase in the enthalpy H (or internal energy U) of the system. 4 Answers. Which of the following processes is endothermic? Exothermic Process, Endothermic Process: A thermodynamic process or a chemical reaction is accompanied by the transfer of heat. Yes, I meant answer C. Anon. When solid $\mathrm{KBr}$ is dissolved in water, the solution gets colder. {eq}O_2(g) + 2H_2(g) \to 2H_2O(g); \Delta H_{rxn} {/eq} = -242 kJ/mol b. Relevance. the reaction associated with the ionization energy of lithium: Ionization energy is endothermic because it requires an energy input to occur, we need to supply energy to remove that outermost electron. An endothermic process is any process which requires or absorbs energy from its surroundings, usually in the form of heat. b. When moving from a more ordered … The freezing of water. E) The vaporization of rubbing alcohol. Which of the following processes is endothermic? 82% (57 ratings) Problem Details. Solution for Which of the following processes is endothermic? To be come liquid which has more kinetic and Potential energy ice will have to take in energy. a. are solved by group of students and teacher of Class 9, which is also the largest student community of Class 9. A) melting of ice B) condensation of water C) a. Which of the following processes is endothermic? 17) For a given process at constant pressure, ΔH is negative. exothermicOf a chemical reaction that releases energy in the form of heat. c. A hot cup of coffee (system) cools on a countertop. d. The chemical reaction in a "hot pack" often used to treat sore muscles. If the answer is not available please wait for a while and a … Anonymous. Which of the following processes is endothermic? (A) ΔG is positive (B) ΔS is negative (C) TΔS > ΔH (D) TΔS = 0 (E) There are no conditions under which an endothermic reaction can be thermodynamically favorable. Endothermic processes have a positive enthalpy and that means that energy is added to the reactants, which is the case for this atom. a. a. When lithium is placed in water, the temperature of the container increases. E is endothermic A) freezing of something is exothermic using fact it takes capability to break bonds and releases capability forming bonds B) combustion of hydrocarbons which includes propane is particularly exothermic and is used to run grills, vehicles and whilst a source of warmth in some residences C)exothermic using fact it is liberating warmth to the cooler countertop D)A warm %. Which of the following processes is endothermic? Favorite Answer. The combustion of propane. (ii) It is an exothermic reaction. Mar 25, 2017 . My reference page lists these values as the opposite sign, and I am aware of that. Assertion: pH of water increases on increasing temperature. jessicahoward07300 jessicahoward07300 Answer:I think that the exothermic things are vaporization and melting and the endothermic things are freezing, sublimation, condensation. Are the following processes exothermic or endothermic? It may be a chemical process, such as dissolving ammonium nitrate in water, or a physical process, such as the melting of ice cubes. Natural gas $\left(\mathrm{CH}_{4}\right)$ is burned in a furnace. Which of these describes an endothermic process? (Choose 2 exothermic and 3 endothermic processes.) Hi D! Concept: Exothermic Reactions. (iii) The pH of … Terms. The Questions and Answers of Which of the following is not endothermic process?a)Fusionb)Vapourisationc)Temperatured)Insoluble heavy impuritiesCorrect answer is option 'C'. … B) Decomposition of water requires energy. Systems energy decreases. Hence, all the above are endithermic. c. When concentrated $\mathrm{H}_{2} \mathrm{SO}_{4}$ is added to water, the solution gets very hot. Problem: Which one of the following processes is exothermic.a. Which of the following processes is endothermic? So ,melting is endothermic. 3.Photosynthesis - Endothermic process (i) Dilution of sulphuric acid (ii) Sublimation of dry ice (iii) Condensation of water vapours (iv) Evaporation of water (a) (i) and (iii) (b) (ii) only (c) (iii) only (d) (ii) and (iv) Consider the options:-A) Combustion is always an exothermic process. Can you explain this answer? a) H2O (g) --> H2O (l) b) 3O2 (g) + 2CH3OH(g) --> 2CO2(g) + 2H2O(g) c) H2O (s) --> H2O (l) d) O2(g) + 2H2(g) --> 2H2O(g) I a guessing b, since energy has to go into the reaction for water to go from a solid to a liquid. thermite reaction between iron(III) oxide and aluminum (spectacular flames are observed) freezing… d. Water is boiled in a teakettle. Note that I am using the convention that an atom that becomes more stable due to gaining an electron has a negative electron affinity. View GC-2-PracticeTest-1.rtf from CHEMISTRY 1411 at Collin College. GC-2-Practice Test 1-Sp 21 1.Which of the following processes is endothermic? Using the following equation for the combustion of octane,calculate the heat of reaction for 50.00 g of octane.The molar mass of octane is 114.33 g/mole. H2(g) → 2H(g)b. Well, likely (B)... we try to shove an electron onto an anion, and it should not be immediately happy... One would see the same occurrence with oxygen anion. Lv 5. Classify the following processes as exothermic or endothermic: (a) freezing of water; (b) boiling of water; (c) digestion of food; (d) a person running; (e) a person growing; (f) wood being chopped; (g) heating with a furnace. Exothermic processes release energy upon completion, and are signified by a negative change in enthalpy. A hot cup of coffee (system) cools on a countertop. (i) It is an endothermic reaction. As the energy is released during explosion. e. The vaporization of rubbing alcohol. The answer would be C, an atom absorbs a photon because that process involves the reactant (the atom) being added of energy. my guess is water freezing becuase it is storing energy in a phase change, but i'm looking for a second opinion. 1 answer. iv) Decomposition of calcium carbonate to form quick lime and carbon dioxide. iii) Process of respiration. 1 See answer qsergy12345 is waiting for your help. The combustion of propane c. A hot coffee cup (as the e. The chemical reaction in a "hot pack" often used to treat sore muscles. asked Oct 9, 2020 in Thermodynamics by Manish01 (47.5k points) thermodynamics; class-11 +1 vote. 5.3 18) Which one of the following statements is true? 9 years ago. A) endothermic B) equithermic C) exothermic D) a state function E) energy Answer: C Diff: 1 Page Ref: Sec. Hence it is endothermic. Melting ice is an endothermic Process. 2.fireworks exploding - exothermic. Add your answer and earn points. B) The combustion of propane. When barium hydroxide is mixed with ammonium chloride, ice crystals form on the outside of the container. Which of the following reactions is an endothermic reaction? Under which of the following conditions can an endothermic reaction be thermodynamically favorable? A) Melting of ice: B) Mixing of potassium chloride with water: C) Photosynthesis: D) All of the above: Answer: D) All of the above Explanation: The process which involves absorption of heat is endothermic. The combustion of propane. Mar 25, 2017 . Mar 24, 2017 . a. Exothermic because heat is being … b. Which of the following changes of states are exothermic and endothermic? Which one of the following processes is exothermic. I agree EXCEPT that isn't B. DrBob222. b. c. The freezing of water. Group of answer choices water droplets condensing on a soda can on a hot summer day an ice pack getting cold (due to ammonium nitrate dissolving in water inside the pack) thermite reaction between iron(III) oxide and aluminum (spectacular flames are observed) freezing water to make ice cubes none of the above are endothermic processes a. a. water droplets condensing on a soda can on a hot summer day b. an ice pack getting cold (due to ammonium nitrate dissolving in water inside the pack) c. thermite reaction between Iron (III) oxide and aluminium (spectacular flames observed) B. a. Which one of the following is an endothermic process? A) mixing water and acid B) the condensation of water C) burning sugar D) the electron affinity of a steel wool vinegar atom E) None of the above processes is endothermic. Example: Which of the following processes represents an endothermic reaction? The combustion of propane. A) The freezing of water. (a) CH4 + 2O2 → CO2 + 2H2O (b) H^+ + OH^- → H2O. A) Enthalpy is an intensive property. Answer Save. Here given all the options are involving in absorption of heat. Either the heat enters into the system or leaves the system. C) A hot cup of coffee (system) cools on a countertop D) The chemical reaction in a "hot pack" often used to treat sore muscles. i) Burning of coal. Here is how you would classify the phase changes as endothermic or exothermic: melting, evaporation and sublimation are endothermic processes while freezing, condensation and deposition are exothermic processes. If this solution process between chloroform and acetone is endothermic, which one of the following is a true statement? Systems energy increases. Q 99 . Which of the following processes is endothermic? In such a process, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system. Which of the following is(are) an endothermic process(es)? Which of the following processes is endothermic? Which among the following is (are) true about slaking of lime and the solution formed? Which of the following processes is endothermic? Get the detailed answer: Which of the following processes is endothermic? MyAnswerIs.
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