To be come liquid which has more kinetic and Potential energy ice will have to take in energy. 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 1 Answer. Hence it is endothermic. Answer Save. Anon. b. When lithium is placed in water, the temperature of the container increases. I agree EXCEPT that isn't B. DrBob222. b. Mar 24, 2017 . The Questions and Answers of Which of the following is not endothermic process?a)Fusionb)Vapourisationc)Temperatured)Insoluble heavy impuritiesCorrect answer is option 'C'. Mar 25, 2017 . This process is called slaking of lime. 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 %. Here given all the options are involving in absorption of heat. Natural gas $\left(\mathrm{CH}_{4}\right)$ is burned in a furnace. (i) It is an endothermic reaction. Consider the options:-A) Combustion is always an exothermic process. Answer. 9 years ago. Which of these describes an endothermic process? c. A hot cup of coffee (system) cools on a countertop. A) endothermic B) equithermic C) exothermic D) a state function E) energy Answer: C Diff: 1 Page Ref: Sec. Melting ice is an endothermic Process. 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. Favorite Answer. b. 3.Photosynthesis - Endothermic process (iii) The pH of … Can you explain this answer? The combustion of propane. Exothermic Process, Endothermic Process: A thermodynamic process or a chemical reaction is accompanied by the transfer of heat. Which of the following reactions is an endothermic reaction? 82% (57 ratings) Problem Details. 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. E) The vaporization of rubbing alcohol. a. Exothermic because heat is being … Which among the following is (are) true about slaking of lime and the solution formed? a. Mar 25, 2017 . Which of the following processes is endothermic? An endothermic process is any process which requires or absorbs energy from its surroundings, usually in the form of heat. e. The chemical reaction in a "hot pack" often used to treat sore muscles. d. Water is boiled in a teakettle. c. When concentrated $\mathrm{H}_{2} \mathrm{SO}_{4}$ is added to water, the solution gets very hot. asked Oct 9, 2020 in Thermodynamics by Manish01 (47.5k points) thermodynamics; class-11 +1 vote. Anonymous. This means that the process is _____. We’re being asked to determine which of the following processes is endothermic. A) Enthalpy is an intensive property. Which of the following processes is endothermic? a. Lv 5. Which of the following processes is endothermic? e. The vaporization of rubbing alcohol. A) The freezing of water. Systems energy increases. a. Q 99 . 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. 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. Assertion: pH of water increases on increasing temperature. Either the heat enters into the system or leaves the system. Relevance. 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. ii) Decomposition of vegetable matter into compost. Reason: H2O → H^+ + OH^– is an exothermic process. The combustion of propane c. A hot coffee cup (as the … As the energy is released during explosion. 4 Answers. Which one of the following is an endothermic process? Which of the following is(are) an endothermic process(es)? 16CO2(g) +18H2O(l) → 2C8H18(l) + 25O2(g)c. H2(g) → H2O(l)d. CO2(s) → CO2(g) FREE Expert Solution Show answer. The combustion of kerosene releases heat. Note that I am using the convention that an atom that becomes more stable due to gaining an electron has a negative electron affinity. (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. 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. Which of the following processes is exothermic? d. The chemical reaction in a "hot pack" often used to treat sore muscles. Add your answer and earn points. 1 decade ago. In such a process, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system. My reference page lists these values as the opposite sign, and I am aware of that. Under which of the following conditions can an endothermic reaction be thermodynamically favorable? Exothermic processes release energy upon completion, and are signified by a negative change in enthalpy. exothermicOf a chemical reaction that releases energy in the form of heat. a. 17) For a given process at constant pressure, ΔH is negative. A hot cup of coffee (system) cools on a countertop. {eq}O_2(g) + 2H_2(g) \to 2H_2O(g); \Delta H_{rxn} {/eq} = -242 kJ/mol b. 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) c. The freezing of water. … Which of the following processes is endothermic? Calcium hydroxide dissolves in water to form its solution called lime water. If the answer is not available please wait for a while and a … … 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. iv) Decomposition of calcium carbonate to form quick lime and carbon dioxide. Terms. Which of the following processes is endothermic? GC-2-Practice Test 1-Sp 21 1.Which of the following processes is endothermic? MyAnswerIs. thermite reaction between iron(III) oxide and aluminum (spectacular flames are observed) freezing… a. D) Graphite is more stable than diamond and energy is needed to convert graphite into diamond. B) Decomposition of water requires energy. 1 answer. Which of the following processes is endothermic? (a) CH4 + 2O2 → CO2 + 2H2O (b) H^+ + OH^- → H2O. i) Burning of coal. Which one of the following processes is exothermic. Endothermic processes require an input of energy to proceed and are signified by a positive change in enthalpy. Which of the following changes of states are exothermic and endothermic? Answer and explanation: To be thermodynamically favorable 1 See answer qsergy12345 is waiting for your help. Answer Save. my guess is water freezing becuase it is storing energy in a phase change, but i'm looking for a second opinion. When moving from a more ordered … If this solution process between chloroform and acetone is endothermic, which one of the following is a true statement? View GC-2-PracticeTest-1.rtf from CHEMISTRY 1411 at Collin College. Problem: Which one of the following processes is exothermic.a. Which of the following processes is endothermic? When solid $\mathrm{KBr}$ is dissolved in water, the solution gets colder. When barium hydroxide is mixed with ammonium chloride, ice crystals form on the outside of the container. B) The combustion of propane. (Choose 2 exothermic and 3 endothermic processes.) Concept: Exothermic Reactions. 2.fireworks exploding - exothermic. Example: Which of the following processes represents an endothermic reaction? Problem 19 Hard Difficulty. Solution for Which of the following processes is endothermic? a. So ,melting is endothermic. Are the following processes exothermic or endothermic? 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. 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. Hi D! Favourite answer. The freezing of water. The reaction of trinitrotoluene with oxygen releases heat and light. Relevance. iii) Process of respiration. The freezing of water b. The combustion of propane. jessicahoward07300 jessicahoward07300 Answer:I think that the exothermic things are vaporization and melting and the endothermic things are freezing, sublimation, condensation. d. The vaporization of rubbing alcohol. (ii) It is an exothermic reaction. It may be a chemical process, such as dissolving ammonium nitrate in water, or a physical process, such as the melting of ice cubes. 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. Systems energy decreases. Endothermic processes have a positive enthalpy and that means that energy is added to the reactants, which is the case for this atom. H2(g) → 2H(g)b. (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) Ice ia a solid . C) Dehydrogenation is an endothermic reaction since energy is required to break the C − H bonds to convert ethane to ethylene. 2 See answers Surnia Surnia Answer:iv) Decomposition of calcium carbonate to form quick lime and carbon dioxide. An endothermic process is any process with an increase in the enthalpy H (or internal energy U) of the system. The answer would be C, an atom absorbs a photon because that process involves the reactant (the atom) being added of energy. Hence, all the above are endithermic. 5.3 18) Which one of the following statements is true? Which of the following processes is endothermic? Yes, I meant answer C. Anon. Get the detailed answer: Which of the following processes is endothermic?