For the reaction, Al (d,a) X O x is Mg-25 O X is Mg-22 O x is Fe- 26 X is Fe-25

Q: The change in energy of the reaction is about kilojoules.

A: Change in energy of reaction is the difference of energy of products and reactants.  It is also…

Q: Choose the best estimate for the activation energy required for the reaction to occur. 200 J 450 J…

A: Activation energy is the minimum amount of energy required for a chemical reaction to occur. In…

Q: In a chemical reaction, how do the reactants and products relate to the initial and final states?

A: In a chemical reaction, bonds are broken within reactant molecules, and new bonds are formed within…

Q: Which of the following is true when the temperature of a reaction is increased?  I. Ea is decreased…

A: All options are correct. That is I. Ea is decreased   II. the reaction rate always increases    III.…

Q: 5 25 Free Energy (kcal/mol) 15 B. Reaction progress Use the reaction energy diagram above to answer…

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Q: For the following reaction 02(g) = 2 O(g) what conditions favor production of oxygen atoms? A) high…

A: The dissociation of oxygen molecule into oxygen atom is always endothermic.

Q: what is the equation for Delta E in chemistry?

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Q: 32. The illustration below graphs energy during the formation of a covalent bond. Where can you…

A: When we give heat or light energy to any process, then the process will be endothermic.

Q: Which of the following reactions has (+)work? (a) Ni(CO)4(g)  ➜  Ni(s) + 4CO(g) (b) C6H6(l)  ➜…

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Q: 1. For the reaction between hydrogen gas and fluorine gas the following data was collected H2(g) +…

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Q: Which reaction is most likely to have a positive ASys? a) SiO2(s) + 3 C(s) b) 6 CO2(g) + 6 H¿O(g) c)…

A: A positive change in entropy of the system indicates the increase in randomness and this randomness…

Q: What is the mass percent of concentrated aqueous HCl (11.8 M)? The solution has a density of 0.909…

A: According to the question, The molarity of the HCl solution is = 11.8 M The density of the solution…

Q: 7. If you measured the CuT concentration of each half-cell before and after allowing current to flow…

A: The following question is based on the concept of electrolytic refining of copper

Q: What are enzymes? What is the active site of an enzyme? What is a substrate?

A: The biological substances that increase the rate of reaction within cells are known as enzymes.…

Q: 7. Which is an example of an exothermic process? a) a warm compress b) freezing water c) burning…

A: Given

Q: 2 Fe + 3 CUCI2 2 FeC13 + 3 Cu When 0.50 moles of CuCl, react, how many grams of FeCl3 are produce

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Q: A 2.5 L tank can withstand a maximum pressure of 800 kPa. Calculate the temperature that the tank…

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Q: Consider the following data for iridium: g 192.22 mol atomic mass electronegativity 2.20 kJ 151.0…

A: Ionization energy is defined as the minimum amount of energy that is required to remove the most…

Q: 5. Calculate the mass of CO2 evolved in the complete decomposition of a 2.943-g sample. containing…

A: Metal carbonate salt upon dissociation gives carbon dioxide and metal oxide. Write down the…

Q: The change in energy of the reaction is about kilojoules. O -40 O +40 O +100 O +20 O -20 O +60 O…

A: If the potential energy of product is less than the reactant then it will  be exothermic reaction…

Q: Consider the following diagram: Y W B C Reaction Process At what point on the graph is the…

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Q: The reaction: Ba + CuO -> BaO + Cu, will occur if O is more active than Cu Ba is more active than O…

A: There are four types of reaction:-  Combination Reaction -  In this reaction, two reactants combine…

Q: The PE of the products of the forward reaction is about kilojoules. O +40 O +100 O-100 O +60 +20 -60…

A: From this graph we can predict the values of Potential Energy of reactants and products. The values…

Q: Which particle will complete this reaction? Cu+ 2 → Cu 29 29

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Q: The reaction A(g) + 2B(g)    C(g) was allowed to come to equilibrium. The initial amounts of…

A: Given,      Initial number of moles of A=1.0 mol      Initial number of moles of B=1.8 moles…

Q: While performing certain biochemical reactions, a student obtained two dif- ferent values: AG = -130…

A: The biologically favorable reaction has to be given,

Q: Q8: You add 22.45g of calcium sulfate (CaSO4(s)) to a 100.00 mL volumetric flask and fill it with…

A: The objective of this question is to calculate the solubility product constant (Ksp) for calcium…

Q: For the reaction below: х НО ОН H*, catalyst

A: We have been given an organic reaction and we have been asked to complete given organic reaction.…

Q: An reaction results when the energy released by the formation of products is greater than the energy…

A: Reaction  enthalpy  decides whether  it is exothermic or endothermic.

Q: What type of reaction is this? In this diagram, what is the potential energy of C? In this diagram,…

A: The graph of PE vs Reaction pathway is given

Q: For each of the following reactions, indicate if there is something wrong with the reaction. If…

A: When one (decomposition) or more species react during a chemical reaction, one or more new chemical…

Q: Potential Energy Diagram Answer the questions using the graph. Is the reaction endothermic or…

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Q: tp Progress of Reaction each of the potential energy diagrams above with the equation below. Use…

A: Given graph of reaction based on activation energy.

Q: A reaction profile (not to scale!) for the reaction NO, + CO–→NO+ CO, is shown below: E (kJ) 132 NO2…

A: The exothermic process is the process in which the energy or heat is released to the surrounding.…