An endothermic reaction with a low EA. An exothermic reaction with a high EA.

Q: A reaction absorbs 485kJ of heat when 1.50mol of reactant are consumed. How much heat is absorbed…

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Q: QUESTION 9. If the statement is true, write Tas your answer and if it is false, write F as your…

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Q: Endothermic because the energy of the products is higher than the energy of the reactants…

A: We are given the above graph between Potential energy and reaction co-ordinates.

Q: 4.by touching the side of a beaker a student concludes that an exothermic change is taking place…

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Q: D. Reaction Coordinate B. A. Potential Energy

A: Answer :- D  The letter represents the energy of the products is D.…

Q: The value of AH° for the reaction below is -72 kJ. kJ of heat are released when 5.5 mol of HBr is…

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Q: Ethanol (C,H,0), a gasoline additive, is formed by the reaction of ethylene (CH,=CH,) with water.…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: (i) Complete the energy level diagram for the thermal decomposition of calcium carbonate by writing…

A: Energy level diagram for thermal decomposition of CaCO3

Q: 1. Consider the combination of a proton and hydroxide ion to make water (or the reverse, the…

A: The reaction given is,

Q: If you have 6.0 moles of ammonia, how much energy in kJ released in the chemical reaction? N2 (g) +…

A: Answer is A) -280 kJ

Q: Consider the energy diagram. Products Does this diagram represent an increase or decrease in the…

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Q: Part N Which following statement(s) describes an endothermic reaction? 420 kJ of energy was consumed…

A: Endothermic reactions are those reactions that get completed by absorbing heat.

Q: Calcium hydroxide and hydrochloric acid react through a double replacement reaction that absorbs…

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Q: ng reaction: CO (g) 2 H2 (g)- CH;OH (g) AH= -90.7 kd For a given sample of CO, the enthalpy change…

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Q: Fe2O3(s) + 2 Al(s) → 2 Fe(s) + Al2O3(s) N2(g) + 2 O2(g) –→2 NO2(g) i) ii) AH=-851.5 kJ a) b)…

A: Exothermic process is a process in which heat is evolved/released  during a chemical reaction and…

Q: A

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Q: Is the following reaction exothermic or endothermic? Choose the correct answer and reasoning. 2 SO3…

A: Ans b ,endothermic  ,because energy was added to the reaction as a reactant . In endothemic…

Q: A chem easures the energy change AH during the following reaction: 2 NH3(g) → N,(9)+3H,(g) AH=160.…

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Q: This is an endothermic reaction O A. True O B. False

A: The reaction which release heat during the course of the reaction are called exothermic reactions.…

Q: 1. Determine the amount of energy released when 93.6 g of liquid butane, C,H10(1 combusted.…

A: The given data: The mass of liquid butane = 93.6 g The enthalpy of formation of the given species is…

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

A: The progress of a reaction can be represented by the reaction coordinate diagram. In a reaction…

Q: A chemist measures the energy change AH during the following reaction: 2 HgO(s) → 2 Hg(1)+O2(g)…

A: For an endothermic reaction, ∆H is positive and for an exothermic reaction, ∆H should be negetive.…

Q: The addition of HBr to CH2=CH2, an exothermic reaction. Define this ?

A: A reaction is said to be exothermic when the energy is released in the reaction due to which change…

Q: The ionic compound calcium chloride, CaCl2, dissolves very well in water, with a maximum solubility…

A: CaCl2 is composed of one calcium atom and two chlorine atoms which is prepared by various methods,…

Q: The formation of water is an exothermic reaction:      2H2 (g) + O2 (g) à 2H2O (g)   a)    For an…

A: Balanced Reaction for the formation of water  2H2 (g) + O2 (g) --> 2H2O (g)  Hydrogen gas and…

Q: 44. Consider the reaction: C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4 H2O(g), where AH = -531 kcal. Which…

A: The given reaction is  C3H8 (g) + 5 O2 (g) --------------> 3 CO2 (g) + 4 H2O (g)            ΔH =…

Q: In an exothermic reaction, the reactants lose energy and thereaction feels hot to the touch. Explain…

A: Thermochemical reactions are of two types namely endothermic and exothermic reactions. Endothermic…

Q: An exothermic reaction releases 83.1 Jo How many calories of energy are reledsed?

A: Exothermic reaction are those reaction which release energy in the form of light or heat. Exothermic…

Q: 6. When heat is added to a system at equilibrium and the reaction shifts to the left, which…

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Q: Would the following reaction be endothermic or exothermic? Why? CH4 + O2 --> CO2 +H2O + Energy…

A: Ans: Exothermic because energy is a product.

Q: 15.0 mL of a strong base is added to 15.0 mL of a strong acid in a coffee cup calorimeter. The…

A: Given information: 15.0 mL of a strong base is added to 15.0 mL of a strong acid in a coffee cup…

Q: 15.0 mL of a strong base is added to 15.0 mL of a strong acid in a coffee cup calorimeter. The…

A: Given: The volume of the base = 15.0 mL The volume of the acid = 15.0 mL The concentration of the…

Q: 3) Write out the corresponding thermochemical equation for the reaction depicted by each of the…

A: a) The potential energy diagram given is,

Q: Which letter on the energy diagram represents the chemical energy of the products? (B). (A) (C) (D)…

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Q: 1) Barium sulfate can be formed from barium sulfide: BaS) + H2SO40)→ BaSO4() + H2Se) Calculate the…

A: The standard enthalpy of formation of the species in the reaction is:

Q: For the following reaction, is the exothermic or endothermic, and does this reaction absorb or…

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Q: For exothermic reactions, the products have lower energy than the reactants.Explain why

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Q: 9. Consider the reaction, 3 NO2(3) + H2O(1) 2 HNO3(aq) + NO(g), where AH = -137 kJ. How many…

A: The amount of heat released when 92.3 g of NO2 reacts according to given reaction is to be…

Q: A reaction of the following type is called H2O(g) H2O(1) AH =-44.01KJ/mol O Exothermic reaction O…

A: Given: A reaction is given. To find: Type of reaction solution: The reaction that is given is water…

Q: Draw an enthalpy diagram for the following reaction: N2(g) + O2(g) → 2NO(g) ΔH = 180 kJ Be…

A: An enthalpy diagram for the following reaction has to be drawn. N2(g) + O2(g) → 2NO(g)

Q: Is the reaction exothermic or endothermic will any he be released or absorbed. If you said heat will…

A: ΔH of the reaction is determined by bond breaks and bond formation of the reaction. When the heat…

Q: Which is not a factor of an endothermic reaction? O AH is negative. O AH is on the reactant (left)…

A: Endothermic reaction means heat absorbed by the system.

Q: A reaction is endothermic. If we add heat to the reaction, will it shift to the right (towards…

A: Given: Reaction is endothermic is nature and heat is added .  To find: Reaction will go in forward…

Q: Consider the accompanying energy diagram. (a) Does thisdiagram represent an increase or decrease in…

A: Given diagram,

Q: Consider the accompanying energy diagram. (a) Does thisdiagram represent an increase or decrease in…

A: On the basis of energy change, the chemical reactions can be classified as exothermic and…

Q: 2. Carbon dioxide can be formed from the reaction of carbon monoxide and oxygen. How many moles of…

A: (2)  2 CO + O2 ⟶ 2CO2  ∆H = -ve exothermic (heat released)       Here 2 mol CO produce = 787 kj…

Q: Given below is a chemical reaction graph and a set of energy values. Calculate the numerical values…

A: Energy profile diagram :- A graph of potential energy and progress of the reaction us known as…