True or False. Refer to the illustration showing kinetic energy distributions in reactant molecules. The kinetic energy Ea represents the average kinetic energy of the reactant molecules.

Q: 6.24 Consider this reaction: 2CH;OH(I) + 302(g) 4H,O(1) + 2CO2(g) AH = -1452.8 kJ/mol

A: The given reaction is : 2CH3OH (l) + 3O2 (g) ---------> 4H2O (l) + 2CO2 (g) , ΔH = -1452.8 KJ/mol…

Q: Combustion reactions are a type of reaction because they feel O . This means they will

A: The combustion reaction is a type of exothermic reaction because they feel warm or hot. This means…

Q: In the chemical reaction: 2AIClh ® 2Al I + 3Ch, 3Cl, is called a: O product O reactant O coefficient…

A: Answer  The given reaction consider as AlCl3 (reactant)…

Q: What kind of reaction happens when a material's energy is released and heat is produced? Endothermic…

A: When energy is released and heat is produced during a chemical reaction, it is called an exothermic…

Q: Consider the following particulate representations. The beaker on the left represents the reaction…

A: Thermodynamics is the branch of chemistry that deals with the changes in the heat, temperature,…

Q: energy threshold

A: Threshold Energy is the minimum energy that the molecules must have in order to bring about…

Q: Which type has a single compound as a reactant?

A: A→ B + C Where, A is the reactant. B and C are the products.

Q: What are the significant concepts about balancing chemical reactions?

A: 1. Balananced chemical equation obeys Law of conservation of mass.  2. Which states that mass is…

Q: Consider a reacting mixture consisting of 5 molecules of oxygen and 2 molecules of hydrogen reacting…

A: The question is based on stoichiometry  of a reaction highlighting concept of limiting reagent. A…

Q: What are the Reactants?

A: Reactants has to be explained.

Q: In the equation CH4 + Cl2 → CH3CI + HCI HCl is a: Select one: O reactant O product O catalyst…

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Q: Distinguish between chemical reactions that release or take in energy

A: In a chemical reaction, bonds are either made or broken.

Q: Give an example of each decomposition and combination reaction?

A: DECOMPOSITION REACTION  The reaction in which a reactant decomposes into two or more products is…

Q: what is the product?

A:

Q: what is a precipation reaction? provide an example

A: Precipitation reactions are usually double displacement reaction involving the production of a solid…

Q: is a chemical reaction and a chemical change the same

A:

Q: Part I. Complete the following chemical reactions. Do not forget to balance the reaction, the states…

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Q: On what law is stoichometry based, and how do thecalculations support this law?

A: Stoichiometry is the branch of chemistry that deals with the mass of various reactants and various…

Q: During a reaction, reactant molecules are consumed while product molecules are formed. true or…

A:

Q: What is the law of mass action? O The ratio of the product concentrations to the reactant…

A: Law of Mass Action : According the law of mass action, the rate of a chemical reaction is directly…

Q: What does temperature measure? * O Heat of Molecules O °C Average Kinetic Energy of Molecules O…

A: Choose the correct option for temperature measurement ?

Q: 10.A teaspoon of dry coffee crystals dissolves when mixed in a coup of hot water. This process…

A: The answer to the following question is-

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: In the reaction of hydrogen gas and oxygen gas to form water, the glowing splint provides _________…

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Q: The new substances formed during a chemical reaction are known as

A: A chemical reaction is the process in which atoms present in the starting substances rearrange to…

Q: ТСРВА

A: The compound in which two of the carbon atoms of a hydrocarbon chain are bonded to each other by a…

Q: The energy changes in chemical reactions occurs when atoms _____ to form new substances. dissociate…

A:

Q: (CN), : (CN),rt : P(NH,),P+ :

A: Using concept of electronic configuration of central metal ions.

Q: Why are  combustion reaction important? Give an example.

A: Why are combustion reactions important? Give an example.

Q: 4. The reaction: 4 Al (s) + 3 02 (g) → 2 Al203 (s) ; AH° = -3351 kJ Is and therefore heat is by the…

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Q: What is conservation of energy and how does it relate to chemical reactions?

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Q: As the reactant concentration increases, the average kinetic energy of molecules increases. TRUE OR…

A: The rate of the formation of the product or the rate of disappearance of the reactants is known as…

Q: CH, CH,CI AICI,

A:

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

A: Dear student, this question is related to energy diagram.

Q: Consider the following graph of the reaction 2 SO3(g) 2 2 SO2(g) + O2(g) AH = +197.8 kJ 60 503 502…

A: Actually when the volume of the system is decreased, the concentration of all the gas increases…

Q: Hydrogen, when combined with oxygen in a chemical reaction, forms water. This is an example of which…

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Q: What is the general class of reaction of potassium cyanide? How much heat must be added or removed…

A:

Q: Students can develop alternative conceptions (commonly called misconceptions) in relation to some…

A: Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: When someone is injured, responding medical personnel may use either hot packs or cold packs to…

A: Cold packs are made up of water and a solid compound usually ammonium nitrate and these both are…

Q: Base your answer(s) to the following question(s) on the potential energy diagram below, which…

A: The energy difference of the products and reactants is known as the energy change of a reaction.  If…

Q: nen two substances react to form products, the reactant which is used up first is called the: O…

A: When two substances react to form the products, the reactant which is used up for the reaction is…

Q: energy diagram graph representing an endothermic

A: Endothermic reactions are those reactions in which heat is absorbed.  Exothermic reactions are those…

Q: Consider the potential energy diagram shown below. This graph shows the chemical potential energy in…

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Q: In an exothermic chemical reaction O heat is released as the reaction proceeds. O the mass of the…

A: Enthalpy of reaction is as- ∆H°rxn = H(product) - H(reactant)  When H(product) < H(reactant)…

Q: In the following equation for a chemical reaction, the notation (s), (1), or (g) indicates whether…

A:

Q: When solid calcium hydroxide reacts with hydrochloric acid in water, dissolved calcium chloride…

A: When solid calcium hydroxide Ca(OH)2 reacts with hydrochloric acid HCl then a dissolved precipitate…

Q: Name the reaction and the reactants

A: The first reaction demonstrates dehydration of alcohol. The alcohol which has been used as the…

Q: What do you call the type of chemical reaction in which heat is absorbed?

A:

Q: Do each of the following statements describe an endothermic or exothermic reaction? a. ΔH is a…

A: Both exothermic and endothermic reactions involve transfer of energy. Furthermore, endothermic…