The minimum amount of energy needed by the reactant to form the activated complex and lead to a reaction is known as the enthalpy. True or false

Q: Which of the following is not true of spontaneity?     It happens without the addition of external…

A: A spontaneous process occurs automatically without any external force. It is unidirectional

Q: How to apply the laws of thermodynamics to chemical reactions ?

A: In any chemical reaction, heat of reaction can be calculated by applying . Hess's law based on 1st…

Q: Provide an explanation for the fact that most decomposition reactions are endothermic but most…

A: To find: The explanation for the fact that most decomposition reactions are endothermic but most…

Q: change in gaseous mole

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Q: A student transferred 50.0 mL 1.00 M HCl into a coffee-cup calorimeter, which had a temperature of…

A: Given: Volume of  HCl=  50.0mL Concentration of HCl= 1.00M Volume of NaOH= 50.0 mL Concentration of…

Q: When the environment is contaminated by a toxic or potentially toxic substance the substance tends…

A: It is stated by second law of thermodynamics, that entropy of universe gets increased in a…

Q: A reaction is both endergonic and exothermic. Which ONE of the following statements must be TRUE? A…

A: Endergonic reactions are reactions which need free energy to proceed. Exothermic reaction is…

Q: Among the three laws of thermodynamics, which is the most related to Le Chatelier’s principle?

A: According to the second law of thermodynamics, if a process is occurring spontaneously, it would…

Q: From a molecular viewpoint, where does the energy absorbed in an endothermic chemical reaction go?…

A: In thermodynamics, we learn about two types of reactions. Exothermic: The type of reaction in which…

Q: Under what conditions will enthalpy tend to dominate the equilibrium state of a chemical system?…

A: The dominance of enthalpy or entropy in determining the equilibrium state of a chemical system…

Q: Temperature of cold water (°C) 2.0 Temperature of hot water (°C) 92.0 Volume of cold water (mL) 94.0…

A: First of all we calculate the heat lost by hot water and heat gain by cold water by following…

Q: The temperature of the surrounding increases during a chemical reaction. Was the reaction endo- or…

A: The chemical reactions which are accompanied by the absorption of heat are known as endothermic…

Q: Explain what is first law of thermodynamics. How it is related to the conservation of energy?

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Q: What is the heat of formation of chromium (III) oxide

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Q: Since energy is always conserved, we can determine the total energy released or absorbed by a…

A: When any chemical reaction occur then certain old bond break and new bond are formed which result in…

Q: Which of the following statements is correct if a reaction is carried out at constant pressure? O…

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Q: provide an explanation for why the first law of thermodynamics is important in every chemical…

A: A  question based on chemical thermodynamics that is to be accomplished.

Q: The data collected today may have shown a decrease in temp after several mins of constant temp. What…

A: A calorimeter is a device used to measure the amount of heat involved in a chemical or physical…

Q: What is the theory of the first law of thermodynamics?

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Which of the following is true: A reaction where the entropy of the system increases can only be…

A: Answer:- This question is answered by using the simple concept of spontaneity of the reaction which…

Q: Which of the following represents an endothermic reaction? CH4 (g) + 202 (g) → CO2 (g) + 2H2O (g) +…

A: Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the…

Q: Biological process that involves the concept of thermodynamics

A: The human body obeys the laws of thermodynamics. Consider the experience of being in a small crowded…

Q: The first law of thermodynamics is extremely important in every chemical reaction, but what exactly…

A: First law of thermodynamics  talk about  conservation  of energy.

Q: does adding temperature to a chemical reaction favor the reaction endothermically?

A: For an endothermic reaction (positive ), the increase in temperature favors the consumption of heat…

Q: Given the overall reaction from the previous problem: 2 CO (g) + 6 H2 (g) D 2 CH4 (g) + 2 H2O (g)…

A: According to Le Chatelier's principle, the position of equilibrium of the chemical reaction changes…

Q: ifies the change in internal energy when a molecule is added to a system at constant volume and…

A: Gibb's free energy for closed system can be capable for P-V system work and it uses Helmholtz…

Q: Based on Textbook 2.35-2.37: Orthopedic surgeons use bone “cement" to set al i. artificial hip…

A: In a polymerization reaction, the monomers react with each other to form a linked chain of large…

Q: The standard enthalpy of formation of SnCl₂ (s) is - 340 kJ/mol and that for SnCl4 (s) is-511…

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Q: 5. A system compresses when 457 J of work was done on it at the same time it decreases it energy to…

A: Given,  A system 457 J of work done when it compresses, at the same time it decreases energy to 234…

Q: Since energy is always conserved, we can determine the total energy released or absorbed by a…

A: The balanced chemical equation between molecular oxygen and molecular hydrogen is shown as below…

Q: A reaction where the products are higher in energy than the reactants is an example of an

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Q: The balanced equations for two reactions are shown. (1) CH4 + N2 + H2 → CH3N + NH3 (2) CH4 + I2 →…

A: Thermodynamics is branch of chemistry in which we deal with the heat of reaction. Heat of reaction…