A chemist measures the energy change AH during the following reaction: CH (g)+202(g) CO2(g)+2H,O(I) AH=-882. kJ ΔΗ Use the informationto answer the following questions. endothermic. This reaction is.... exothermic x10 Yes, absorbed Suppose 87.8 g of CH, react. 4 X Yes, released Will any heat be released or absorbed? No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. kJ Round your answer to 3 significant digits.

Q: (a) If 10.6 moles of water at 35°C absorbs 12.30 kJ, what is the final temperature of the water? The…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: The heat of formation of Fe2O3(s) is -826.0 kJ/mol. Calculate the heat of the reaction 4Fe(s) +…

A: Given information,

Q: 6.111 In a calorimetric experiment, 6.48 g of lithium hy- droxide, LİOH, was dissolved in water. The…

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Q: A 1.6 g sample of solid NH4NO3 was added to 27.0 mL of water in a styrofoam cup (insulated from the…

A: The heat gain or loss can be determined by the relation q=mcΔT. Where q is the heat loss or gain, c…

Q: When a 4.25-g sample of solid sodium nitrate dissolves in 50.0 g of water in a coffee-cup…

A: The mass of sodium nitrate is = 4.25 g The mass of water is = 50.0 g The mass of solution is =…

Q: The enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride…

A: Applying unitary method calculation with the help of chemical reaction.

Q: A chemist measures the energy change AH during the following reaction: 2 NH3(g) → N,(9)+3H,(g)…

A: If the value of ∆H for a given is comes out to be positive which means the system absorbs heat and…

Q: C 2H 5OH() + 30 2( g)→ 2CO 2( g) + 3H 20( ) AH=-1.37 x 10 3 kJ I. The reaction is endothermic II.…

A: Exothermic reaction is the reaction in which energy is released in the formation of products while…

Q: A chemist measures the energy change AH during the following reaction: 2 Fe, O3(s) 4 FeO(s)+O,(9)…

A: We have to predict the nature of reaction, heat absorbed, amount of heat absorbed.

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) 4 FeO(s)+O,(g)…

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Q: Consider the hypothetical case of removing the magnesium sulfate from solution and reforming the…

A: The heat energy released when new bonds are made between the ions/molecules and water molecules is…

Q: 9. The evaporation of water is endothermic: H2O (1) → H2O (g) AH°rxn = 44.01 kJ/mol What minimum…

A: H°rxn = 44.01 kJ / mol

Q: A chemist measures the energy change ΔH during the following reaction: 2HgO(s)→2Hg(l)+O2(g)…

A: i) The given reaction is: 2HgO(s)→2Hg(l)+O2(g)                                ∆H=182 kJ Since ∆H of…

Q: CaO(s) reacts with water to form Ca(OH)2(aq). If 6.50 g CaO is combined with 99.70 g H2O in a coffee…

A: To calculate enthalpy change for reaction: The equation is given as

Q: When a 12.6 g sample of NaOH(s) dissolves in 398.0 mL water in a coffee cup calorimeter, the…

A: Mass of sample = 12.6 g  Mass of water = 398.0 mL Change in temperature of water  = 29.7 °C - 21.6…

Q: A chemist measures the energy change AH during the following reaction: 2 NH3(g) → N,(9)+3H,(g)…

A:

Q: 3. A 1.25-g sample of ammonium nitrate dissolves in water to make 35.0 mL of solution in an…

A: Given,  Mass of NH4NO3 = 1.25 g  Volume of the solution = 35.0 mL  Initial temperature= Ti = 24.6 0C…

Q: When methanol, CH,OH, is burned in the presence oxygen gas, 0, a large amount of heat energy is…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

Q: A chemist measures the energy change AH during the following reaction 2 Fe,O3(s) → 4 FeO(s)+O,(g)…

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Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) 2. НСI(9) — 2…

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Q: A chemist measures the energy change AH during the following reaction: 2 Fe,03(s) → 4 FeO(s)+O2(g)…

A: Enthalpy change of a reaction, ∆H = ∑∆H (products) - ∑∆H (reactants)

Q: D. Consider the following reaction: 2H,(g) + O,(g) –→ 2H,0(1) AH = -572 kJ %3D - a. How much heat is…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

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: If the water in a coffee cup calorimeter absorbed 300 J of energy (q = +300 J) during a reaction…

A: Energy absorbed by water in coffee cup calorimeter = 300 J qwater = + 300 J

Q: Is the change in enthalpy for a reaction an extensive property? Explain the relationship between ΔH…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: A chemist measures the energy change AH during the following reaction: Cl,(9)+ H,(9) – 2 HC(9)…

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Q: The combustion of 4.00 grams of milk in a bomb calorimeter resulted in a temperature increase of 3.4…

A:

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) → 4 FeO(s)+O,(g)…

A: The balanced reaction taking place is given as,

Q: 2. When 4.98 g of NaOH was dissolved in 49.72 g of water in a calorimeter at 23.7°C, the temperature…

A:

Q: The combustion of hydrogen-oxygen mixtures is used to produce very high temperatures (ca. 2500 °C)…

A:

Q: 2CO (g) + O2(g) --> 2 CO2(g) delta H = -566 KJ endothermic or exothermic 2.8 g of CO let to react…

A: Combustion reaction are exothermic in Nature because energy released in combustion reaction

Q: The reaction that was on the screen when you started and its derivative demonstrate that the…

A: given, the reaction H2O(l)→H2O(g), ΔH =44.0kJ

Q: A Snickers candy bar has 120 kcals attributed to its fat content. What is this energy in kilojoules…

A:

Q: 3. When 0.118 g of Zn(s) is combined with enough HCl to make 52.3 mL of solution in a coffee-cup…

A:

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,03(s) → 4 Fe0(s)+O,(g)…

A: Given:

Q: When 1 mole of CO(g) reacts with Cl2(g) to form COCl2(g) according to the following equation, 108 kJ…

A: Exothermic reaction-the reaction in which heat is given out or released called as exothermic…

Q: When a 12.5 g sample of NaOH(s) dissolves in 395.0 mL water in a coffee cup calorimeter, the…

A: Please find the solution attached as handwritten note .

Q: In walking 1 km, you use about 100 kJ of energy. Thisenergy comes from the oxidation of foods, which…

A: Given  100 kJ energy is used in 1 km walking Energy comes from oxidation of foods is 30% efficient.…

Q: 19. The combustion of hydrogen-oxygen mixtures is used to produce very high temperatures (approxi-…

A: Given,

Q: When a 13.3 g sample of NaOH(s) dissolves in 386.0 mL water in a coffee cup calorimeter, the…

A:

Q: A chemist measures the energy change AH during the following reaction: 2 NH3(g) → N(9)+3H,(9)…

A:

Q: 4. Consider the equations for these reactions: % N2 + % 02→ No AH = +90.4 kJ NO2 → NO + % 02 AH =…

A: Given data, The given chemical reactions are - 12N2 + 12O2 → NO   ------ (1)  The ∆H for equation…

Q: In a calorimetric experiment, 6.24 g of lithium hydroxide, LIOH, was dissolved in water. The…

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Q: When 5.12 g of NaOH were dissolved in 51.55 g water in a calorimeter at 24.5°C, the temperature of…

A: Given: The mass of water, (m1) = 51.55 g. The mass of NaOH, (m2) = 5.12 g. The specific heat of…

Q: When 2 moles of CO(g) react with NO(g) to form CO2(g) and N2(g) according to the following equation,…

A: Given that 747 kJ of energy are evolved in the reaction.

Q: 2. The decomposition of ammonia gas into nitrogen gas and hydrogen gas is endothermic:   2 NH3 (g) →…

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Q: A 1.50-g sample of hexane, C 6H 14 (MW = 86) undergoes complete combustion with excess 0 2 in a bomb…

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Q: Liquid hydrogen peroxide releases oxygen gas in its decomposition. 2 H2O2 — 2 H,О + O2 AHn = -196.1…

A: Given :-  2H2O2 → 2H2O + O2  ∆Hrxn = -196.1 kJ  To calculate :-  Amount of heat released when…

Q: A 0.403-g sample of xanthone (C13H8O2) is burned in a bomb calorimeter and the temperature increases…

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Q: A chemist measures the energy change AH during the following reaction: Cl,(9)+H,(g) → 2 HCl(g)…

A: