You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? (1) Os (g) → Os (g) + e Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) Os(g) + e- 1 Os (g) Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? Explanation If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): Check release absorb Can't be decided with the data given. O yes no kJ/mol release absorb O Can't be decided with the data given. yes no kJ/mol

Q: Consider these reactions: Reaction 1: H2(�)+Cl2(�)⟶2HCl(�)Δ�=−184.6 kJ  Reaction 2:…

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Q: How much energy is evolved during the formation of 102 g of Al2O3, according to the reaction…

A: Given, the heat evolved in the reaction is -852kJ.

Q: Identify the type of reactions below as endo or exothermic and give reason. 1) 2 So, (g) → 2 S (s) +…

A: The reaction which releases heat energy resulting in the rise of temperature of the surrounding…

Q: Use the 2 equations provided below to calculate the delta H of reaction for the formation of solid…

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Q: The meals-ready-to-eat (MREs) in the military can be heated on a flameless heater. You can purchase…

A: Given: Volume of water = 25 mL of water density = 1.00 g/mL Temperature change= from 25 °C to 85 °C…

Q: Answer the following questions based on the balanced reaction; give answers with correct sig figs:…

A: Butane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: what mass of CH4 (in g) must combust in order to produce 5.46 KJ of energy

A: Given :- CH4+2O2 ----------> CO2+2H20  ∆H = -802.3 kJ/mol  To calculate :- mass of CH4 (in g) to…

Q: Which of the following processes will increase the potential energy of the system? (You may select…

A: Potential energy of the system is the energy which can be converted to kinetic energy of a system by…

Q: CHEMISTRY (Please write the complete solution legibly. Choose the correct answer. No long…

A: Given, The heat given to ballon = 240 J The work done by the balloon = 135 J The internal energy can…

Q: A chemist measures the energy change AH during the following reaction: Cl,(g)+H,(g) → 2 HCl(g)…

A: Exothermic reactions are those in which energy is released.

Q: "Heater meals" are precooked meals that come with a water-activated heating mechanism.  One way to…

A: The reaction given is Mg(s) + 2 H2O(l) → Mg(OH)2(s) + H2(g)

Q: In the tables, the values are for the formation of the SOLIDS, but actually we are not making those…

A: The question is based on Hess law of constant heat summation which states that whether reaction…

Q: Baked pizza dough has a heat capacity of 2.1 J/g C pizza sauce, which is mostly water, had a heat…

A: The objective of the question is to understand the concept of heat capacity and how it affects the…

Q: Consider a hypothetical ionic compound AB (comprised of A+ and B- ions). Given the following…

A: delta Hlattice = -817 kJ mol-1

Q: Which of the following reactions is most likely to be exothermic? (a) F2(g) → 2 F(g)  (b) 2 Cl(g) →…

A: Given.          (a) F2(g) → 2 F(g) (b) 2 Cl(g) → Cl2(g) (c) Cu(s) → Cu(l) (d) CBr4(g) → C(g) + 4…

Q: According to the following thermochemical equation what mass of HF (in g) is required to produce 345…

A: The molar mass of HF is 20.1 g/mole

Q: A chemist measures the energy change H during the following reaction at 1 atm pressure and 25.00 C…

A: 36 g of H2O means 2 moles of water is produced . so from the equation  we can see that 1 moles of…

Q: Question 2: You have two gasses at room temperature. The mass of each of the two gasses is the same.…

A: A question based on chemical thermodynamics. Two ideal gases that are put into the same container,…

Q: Consider a hypothetical ionic compound AB (comprised of A+ and B- ions). Given the following…

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Q: Fill in the Blanks Type your answers in all of the blanks and submit For the following reaction at…

A: Endothermic: A reaction that the system absorbs energy from its surrounding in the form of heat is…

Q: 8. The equation below represents the burning of carbon disulfide, CS20) in a calorimeter. CS20) +…

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Q: Consider the following reaction: 2 H, + O,-> 2 H,O A. H=- 483.6 kJ/mol rxn a Is this reaction…

A: Given that : enthalpy of reaction ∆H = 483.6 kJ/mol We need to check if reaction is exothermic or…

Q: How much energy is evolved during the formation of 296 g of Fe, according to the reaction below?…

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Q: According to the given reactions, which of the following 15 not exothermic? SO2(3) – S(s) + O2(g)…

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Q: The enthalpy of reaction is −2202.0 kJ/mol. How much energy (in joules) will be released if 61.95…

A: Energy released = number of moles × molar enthalpy of combustion

Q: Re-write the equations in the space provided, while applying Hess’s law to determine the enthalpy of…

A: Consider the given overall reaction as; P4O10 (g) + 6 PCl5 (g) → 10 Cl3PO4 (g) Now, consider the…

Q: When sodium chloride (NaCl) dissolves, it absorbs 3.9 kJ/mol. What energy diagram would accurately…

A: Endothermic reaction :-       The reactant absorb heat energy during the reaction is called…

Q: Magnesium reactions with HCl according to the equation below. When 0.103g of Mg(s) is combined with…

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Q: When 2.0 mole of ZnO(s) decomposes to Zn(s) and O2 (g), the Δ H = 696 kJ of heat energy. What does…

A: Reaction involved:-  2ZnO(s) = 2Zn(s) + O2 (g)  ∆H = 696 kJ

Q: Given these reactions, where X represents a generic metal or metalloid 1) H, (g) + ¿0,(g) –→ H,O(g)…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The combustion of propane is given by the following reaction. C3H8 + 3 O2 → 3 CO2 + 4 H2O The…

A: Given, Reaction : C3H8 + 3 O2 → 3 CO2 + 4 H2O Mass of propane = 55.11 grams Molar mass = 44.11 g/mol…

Q: How much energy is evolved during the reaction of 51.2 g of Al, according to the reaction below?…

A: Given reaction: Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s)       ΔH°rxn = -852 kJ We have to find the…

Q: H,S(g) + 2H0(1) + energy 3H,(g) + So,(g) Identify each of the following as a product or a reactant:…

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Q: 5. The endothermic reaction by which MgO(s) is broken down into magnesium and oxygen absorbs…

A: Endothermic reactions are the reactions in which energy is absorbed while conversion of reactants to…

Q: Ammonium Nitrate, NH,NO3, powder is used as the ice pack for sports injury. When water in the sack…

A: Given,  Ammonium Nitrate powder is used as the ice pack for sports injury. When water in the sack is…

Q: energy

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Q: Calculate the amount of energy released when 50.9 g of iron oxide reacts with an excess of hydrogen…

A: Given balanced reaction is 4 H2 + Fe2O4 --> 2 Fe + 4 H2O First convert the given grams of iron…

Q: 8. After Jimmy placed raw potato slices and hydrogen peroxide (H202) in a plastic bag, he concluded…

A: We will choose Correct statement

Q: Given the equations below, use hess's law to calculate triangle h(rxn) for the reaction and…

A: Step 1: Step 2: Step 3:Step 4:

Q: Energy, and Reaction Rates 25 pts st: Heat, Energy, and Reaction Rates Answered ✓ SKETCHPAD Question…

A: Thank you,Please rate my response.

Q: It takes 60. s for a kettle to heat 1.0kg of water (heat capacity is 4.81 j/(g K) from 25 C to 100…

A: This question has two bits. Solved in step 2.

Q: Does the following reaction absorb or release energy? (1) Co (g) Co (g) + e Is it possible to…

A: Ionisation energy is the energy  absorbed when 1 electron is removed from an isolated atom to form a…

Q: 1. Calculate AHº for the complete oxidation of sulfur to sulfur trioxide. S(s) +0,(g) → S0,(g) Use…

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Q: 9) + O2(g) → 2NO(g) y much energy, in kJ, is needed to d (g)? AH ΔΗ mic masses: 14 g/mol 16 g/mol

A: Enthalpy change is defined as difference in energy between enthalpy of reactants and products.…

Q: 7.312 g of dry ice (solid carbon dioxide) is placed in a sealed 2.000 L bag in a room where the…

A: Moles of carbon dioxide used = Mass of dry iceMolar mass of CO2=7.312 g44 g/mol=0.166 mol

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.    

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.