Which of the following reactions are endothermic, and which are exothermic?  a) N2 + 3H2 - 2NH3 + heat  b) 2N2 + 6H2O + heat - 4NH3 + 3O2

Q: a pair of chemical compounds A and B can react in two different ways: A+B C Reaction 1 gives product…

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Q: The reaction of ethanol with oxygen to yield carbon dioxide and water. (This is the reaction in a…

A: Combustion of ethanol

Q: 2Al(s) + 302(g) ---> 2Al203(s) ΔHo = -3351 kJ The reaction shown above is…

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Q: reaction CH₂ CH₂OH (1) + 30, (g) 200₂ (g) + 3H₂O(g) FeSO₂ (aq) + PbCl₂ (aq) → FeCl₂ (aq) + PbSO₂ (s)…

A: In a Rxn , When two or more substances combine to form a new substance then this type of reaction is…

Q: Give 2 examples of exothermic and endothermic reactions

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Q: Which of the following is a nonredox reaction? 2PbSO4(s)+heat—>2PbSO3(s)+O2(g)…

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Q: Which statement best describes the energy change for the reaction associated with this energy…

A: The reaction in which heat is transferred from the system to the surrounding is exothermic while in…

Q: 2 NaHCO3(s) --> Na2CO3(s) + CO2(g) + H2O(g) (heat) above the arrow  claasify the reaction

A: In the given reaction, On heating sodium bicarbonate, it decomposes to give sodium carbonate, water…

Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of…

A: The two reaction is as follows: First reaction: CaC2(s) + 2H2O(g) →C2H2(g) + Ca(OH)2(s) Second…

Q: General Equation Type of Reaction A +X- AX AX A+ X A+ BX → AX +B -or- Y + BX → BY + X AX + BYAY + BX…

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Q: Suppose a pair of chemical compounds A and B can react in two different ways: A+B C Reaction 1 gives…

A: Answer:Energy profile gives the thermodynamic representation of the rectant's conversion into…

Q: How much energy is released when 7.00 mol iron is reacted with an excess oxygen?   4 Fe+ 3 O2 → 2…

A: Given reaction is : 4 Fe+ 3 O2 → 2 Fe2O3    ...ΔH = -1652 kJ To calculate:  Energy released = ?…

Q: 11. Consider the following reaction. CH;CH3 + O2- Co, + H,0 a) Calculate the enthalpy of the…

A: Introduction: We have to calculate the enthalpy of reaction. Since, data is not given so, we can…

Q: In the relative energy diagram below, is the reaction endothermic or exothermic? NH4NO3 (s) + H₂O…

A: Exothermic reactions are the reaction in which the reactants are converted into products with the…

Q: Which of the following reactions is exothermic? Select one: Ammonium nitrate + water. Combustion O…

A: R The answer us given as follows  Combustion is always exothermic reaction  Means CH4 +O2_____>…

Q: Balance the following chemical equation. C₂H₂CI+O₂ CO₂ + H₂O + HCI Assume the coefficient of HCI is…

A: Chemical reactions describe the transformation of reactants into products, and they are represented…

Q: Which following reaction is Exothermic and which is Endothermic ?P Cl5 + 92.9 KJ ---------------- P…

A: If a reaction is endothermic, then delta H is positive (+heat) on the left side of the equation,…

Q: Predict the products of the reaction below. That is, complete the right-hand side of the chemical…

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Q: Gaseous nitrogen tribromide can be formed from the reaction of nitrogen gas and bromine gas. Explain…

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Q: A particular reaction was performed in a test tube. The student observed that the sides of the test…

A: We have to predict correct the reason for cooling of test tube.

Q: Consider a hypothetical chemical reaction: A+B →C+D (In this equation 4, B, C and D stand for some…

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Q: Define the terms Exothermic and Endothermic Reactions?

A: The chemical species react in a system to form products. A certain amount of energy is prerequisite…

Q: How much heat is released when 4.19 mL of 0.54 M HBr reacts with 23.50 mL of 0.0695 M Ba(OH)₂? 2…

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Q: If 2C4H10 + 13O2 --> 8CO2 + 1OH2O is exothermic, is energy (heat) a reactant or product?

A: A reaction in which heat is released is called exothermic reaction.

Q: The reaction for producing glucose in plants, called photosynthesis, is 6CO2 +6H2O…

A: Given, Moles of C6H12O6 produced = 6.26mol. The reaction of glucose formation in plants is

Q: Draw the structural condensed formula of ethyl methanoate.

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Q: During an experiment, a student calculated the heat of neutralization reaction to be - 52.8 kj/mol.…

A: Please find the attached images for the answer

Q: During an experiment a student mixed two chemicals together and noted that the beaker felt warm to…

A: Introduction Thermodynamics is a branch of physical chemistry that deals with the relationships…

Q: Classify: Pb(NO3)2 (aq) +Zn (s) --> Zn(NO3)2 (aq) + Pb (s) * Synthesis or Combination O…

A: Single displacement reaction are those Reactions in which one element is  substituted for another…

Q: O2 Mg(s) + 0,(g) → 2 MgO(s) + heat O NH, (g) + HCI(g) NH,Cl(s) + heat AgCl(s) + heat → Ag*(aq) + CI…

A: Exothermic reactions are reactions or processes that release energy, usually in the form of heat or…

Q: 1. KMnO4, -OH, calor 2. H₂O

A: Step 1: Step 2: Step 3: Step 4:

Q: Indicate the type of reaction for each of the following chemical reactions.   KHCO3(s)    ->…

A: There are many type of chemical reaction like- Combination reaction Decomposition, Single…

Q: Indicate whether each of the following reactions is endothermic or exothermic. K*(g) + Br (g) →…

A: Given : We have to predict whether the reaction will be endothermic or exothermic.