The heat of reaction for N2+3 H2 2NH3 is - 92.2 kJ. What is the heat of reaction for: 6 NH3 3 N2 9 H2

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A: A question based on equilibrium concept. An equilibrium reaction and few questions based on the…

Q: Which of the following represents an increase in the potential energy of the system? A. Na → Na+ +…

A: Answer:In exothermic process, system loses the energy and its potential energy decreases and in an…

Q: A student dissolves13.7 g of sodium chloride NaCl in 250.g of water in a well-insulated open cup.…

A: According to the question, Mass of water (m) = 250 g Mass of NaCl = 13.7 g The molar mass of NaCl =…

Q: 6. Suppose you had 1.0g and 3.0g samples of zinc metal. Compare the amount of energy required to…

A: Given the mass of two different samples of Zn metal are; m1 = 1.0 g  m2 = 3.0 g

Q: 06. Calculate the standard change in enthalpy (AH°) for each re- action and tell whether the…

A: (a)-> N2(g) + 3H2(g) -----> 2NH3(g) (b)->Ca(OH)2(s) -----> CaO(s) + H2O(g) ->Answer…

Q: Given the reaction below, calculate delta Hf for the sulfate(SO3^2-) ion. SO3^2-(aq) + 2H+(aq) +…

A: Given reaction is: SO32-(aq)+2H+(aq)+2NO3-(aq)→SO42-(aq)+2NO2(g)+H2O(l)

Q: Question: Consider a chemical reaction where a gaseous compound A reacts with a solid compound B to…

A: Introduction: In this theoretical chemistry question, we explore the effects of pressure and…

Q: When hot tea is poured into both a steel cup and a styrofoam cup, the steel cup quickly feels hot to…

A: Since metal is a good conductor of heat due to free electrons in the metal.

Q: You are mixing CaCl2in water in a coffee cup calorimeter when you notice that the outer cup has a…

A: Given : substances Cacl2 and H2O.            Calorimeter To find : appropriate chemical equation.…

Q: 22. Complete Table 1 (below). Write a point form summary of the effects of (a) mass, (b) heat…

A: Q = mC ∆T

Q: Change During an endothermic chemical reaction, a gas is consumed and a liquid produced. A solid…

A: Answer:The spontaneity of the reaction can be decided on the basis of the value of Gibbs free energy…

Q: 6. If you added a 10 gram metal piece at 100 °C to 100 mL of water at 0 °C or at 20°C, which…

A: According to heat transfer (Calometry) principle- heat is transferred from the body of higher…

Q: 20. Thermal equilibrium is reached when energy moves from the substance with lower energy to higher…

A: To explain: Thermal equilibrium.

Q: Determine whether the following reactions are endothermic or exothermic based upon the results of…

A: Le-Chatelier's principle:According to the Le Chatelier's principle when a change in concentration…

Q: Find the heat of the reaction of the dissolution of ammonium nitrate in water.   mass of water:…

A:

Q: Find the  heat of reaction of   NaOH(s) + HCl(g) ---------> NaCl(s) + H2O(g)

A: When the chemical reaction takes place, the amount of energy released or absorbed is called as the…

Q: A 10. g sample of metal of unknown heat capacity is heated to 95 oC. This hot sample of metal is…

A: Heat capacity of the unknown metal and of water related as - M1 C1 ∆T1 = M2 C2 ∆T2 Here - M1 =…

Q: What does a well-insulated calorimeter prevent from entering or leav- ing the system? A gases light…

A:

Q: The heat of solution (ΔHsolution) for silver nitrate is +36.91 kJ/mol. Although this process is…

A: If ∆G for a reaction is negative then the reaction is spontaneous.

Q: Classify the following processes according to their rates as fast, slow or very slow A) the rising…

A: A) the rising of bread dough in a warm room : Slow process B)  the melting of butter put into a hot…

Q: In every case, we can consider these_________ reactions, because we will lose a molecule of_______…

A: In every case, we can consider these Chain reactions, because we will lose a molecule of watereach…

Q: A particular natural gas consists, in mole percents, of 83.0% CH4 (methane), 11.2% C₂H6 (ethane),…

A: First of all, Number of moles of gas is calculated using PV = nRT and mole percent  Then, total heat…

Q: D. Identify both types of bonds in the NH&NO:(s).

A: NH4No3  Is dissociated into ions, NH4+ andNO3-  they had ionic binding due to the ions they'd…

Q: Reactions between acids and bases (neutralization reactions) are exothermic. You have a solution of…

A: Given : Neutralisation reactions i.e reactions between acids and bases are exothermic in nature. You…

Q: Exothermic Endothermic Heat Hotter than suroundings Heat Heat /Cooler than surroundings Heat Heat…

A: We know that,  Entropy measure randomness. If more randomness then more entropy.

Q: Consider the following reaction: CO2(g)+ 3H2(g) 2 CH4(g) + H20(g) AH=+46.7 kJ If heat is added to…

A:

Q: A student dissolves 11.3 g of potassium hydroxide (KOH)in 300. g of water in a well-insulated open…

A: Answer: To solve this question it is important to understand that water will be considered as…

Q: The following facts are known about the two reactions: • Reaction 1 is exothermic and Reaction 2 is…

A: Heat is the form of energy which gives us a sensation of warmth. There are two types of reactions –…