Why do bonds form between atoms? What is driving process, and what is involved in the process?

Q: 1. The following statements are true EXCEPT: a. The heat of reaction is also known as the enthalpy…

A: As per rules only the first question can be answered: Heat of reaction = heat of formation of…

Q: Which statement below regarding heat capacity is FALSE? a. Specific heat capacity refers to the…

A: Specific heat capacity:Specific heat capacity is the amount of heat energy required to raise the…

Q: Why is the amount of heat absorbed by the water not equal to the amount of heat produced by the…

A: Combustion is a exothermic chemical process in which in presence of atmospheric oxygen, molecules…

Q: 4. One day while working the in lab, I decide to warm a cup of water to make some tea. I place the…

A: Given :-  C(s) + 2H2 (g) → CH4(g) , ∆H1 = -74.87 (kJ/mol) ... (1)  C(s) + O2 (g) → CO2(g) , ∆H2 =…

Q: 20.0mL of 0.15M NaOH was mixed with 30.0mL of .10M HCl inside a calorimeter. A. Is the reaction…

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Q: Label the position where the atoms are most stable. • Explain how and why the changes in potential…

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Q: Aluminium powder is reacted with iron (II) oxide in a crucible in the thermite reaction, producing…

A: A thermodynamic system is a body of matter separated from its surroundings by a defined wall. On the…

Q: The enthalpy change for the reaction between hydrochloric acid and sodium hydroxide is −56 kJ/mol.…

A: Given :-  ∆H for the reaction between hydrochloric acid and sodium hydroxide = −56 kJ/mol  To…

Q: A fire is started in a fireplace by striking a match and lightning crumpled paper under some logs.…

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Q: of the calorimeter is determined by its design in terms of the three mechanisms of heat transfer…

A: Conduction: This mode of heat transfer occurs when solid materials or object are the medium of heat…

Q: Is the reaction of magnesium metal with water exothermic or endothermic? How do you know?

A: A type of reaction in which heat is absorbed is known as endothermic reaction. While a type of…

Q: State the law of conservation of energy. How does it relate to energy exchanges between a…

A: For an isolated system, its total energy remains constant. The energy of system will change if it…

Q: Define the term State Changes?

A: Changes of state are physical changes in matter. They are reversible changes that do not involve…

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

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Q: 45. How much heat is produced by burning 4.00 moles of acetylene under standard state conditions?

A: Combustion is an exothermic reaction.  The balanced chemical equation for the combustion of…

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 statements is true of the energies of the bonds that break and form in an exothermic…

A: Exothermic reactions are the reactions which involves the release in heat after the completion of…

Q: II. A chemistry student stowed away on the USS Coca Cola bound for Colón, Panama (Panama per capita…

A: Given data : Specific heat capacity=3.85J/goCDensity=1.025g/mLVolume of cold water=50mLTemperature…

Q: When the same amount of heat is applied to both, which will heat up to a higher temperature—a given…

A: Heat capacity defines the capacity of a  substance  to heat store . Comparison of water+steel and…

Q: What is a strategy that someone could use if they are not sure about how energy moves between the…

A: There can be this simple strategy which you can use always

Q: Which of the following statements is CORRECT? a. Heat exchange is positive for an exothermic…

A: In exothermic reaction, product is more stable than reactant where in endothermic reaction, reactant…

Q: The specific heat capacity of element Y is 0.8 cal/goC. If 40 calories of heat are added to 10 grams…

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Q: Calculate the amount of heat needed to raise the temperature of 10g of aluminum from 100°C to 115°C.…

A: Given, Mass of aluminium (Al) = 10g. Initial temperature (Ti) = 100 degree Celsius. Final…

Q: The heat of dissolution of a solid substance was determined using an insulated calorimeter…

A: Given: Weight of water = 150 g Initial temperature = 27.4°C Final temperature = 32.8°C Specific heat…