In a chemical reaction, the sum of the bond dissociation energies of the reactant bonds is 679 kJ and the sum of the bond dissociation energies of the product bonds Is 864 kJ. This reaction is a

Q: The combustion of 0.1582 g benzoic acid increases the temperature of a bomb calorimeter by 2.58°C.…

A: we have to calculate heat capacity of calorimeter  energy of combustion per gram of vanillin…

Q: The combustion of 0.1584 g of benzoic acid (Ecomb = 26.42 kJ/g) increases the temperature of a bomb…

A: The law of conservation of heat implies that  the heat released by the combustion of benzoic acid is…

Q: (LO 87) The combustion of benzoic acid (AEcombustion = -3228 kJ/mol C₂H5O₂) can be used to determine…

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Q: Calculate the enthalpy change for the reaction C2H2(g) + 2H2(g) → C2H6(g)     ΔrH = ? from the…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 236. kJ during a…

A: Given:Enthalpy = -236 kJ( enthalpy decreases, it's an exothermic process)Work done = -114…

Q: ) The combustion of 0.1599 g benzoic acid increases the temperature of a bomb calorimeter by 2.55°C.…

A: Here we have to determine the heat capacity of bomb calorimeter if 0.1599 g of benzoic  acid on…

Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: The energy of a system is always conserved. The amount of heat released or absorbed by the reaction…

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: Enthalpy change for the final reaction = (2*1.638 kJ) - (3.0225 kJ) = 0.2535 kJ 1. Comment on why…

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Q: , When 25.0 mL of 1.00M HNO3at 25.0oC is added to 25.0 mL of 1.00M KOH at 25.0oC in a coffee cup…

A: The reaction of acid and base results in the formation of salt and water and heat is evolved. This…

Q: A 20 g sample of dry ice (CO₂(s)) is placed in a glass flask and a stopper is tightly placed in the…

A: Given :-  Mass of CO2 = 20 g  Heat energy is transferd into the flask = q = + 350 J   change in…

Q: The combustion of 0.1593 g benzoic acid increases the temperature of a bomb calorimeter by 2.55°C.…

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Q: determine the enthalpy change per mole of precipitate.

A: The given problem is based on the calculation of enthalpy change of precipitation reaction using…

Q: An electrical heater adds 23.7 kJ of heat to a constant - volume calorimeter. The temperature of the…

A: The objective of the question is to calculate the molar energy of combustion of methanol using the…

Q: The combustion of 0.1599 g benzoic acid increases the temperature of a bomb calorimeter by 2.56°C.…

A:

Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: Heat of neutralisation of an acid id defined as the amount of heat evolved when one equivalent of an…

Q: The enthalpy change for the reaction: 2H2(g)+ O2(g) → 2H2O(g) is -483.6 kJ. Determine the enthalpy…

A: The enthalpy change for the reaction: 2H2(g)+ O2(g) → 2H2O(g) now, for the following reaction 4H2(g)…

Q: Use the bond energies provided to estimate ΔH°rxn for the reaction below.…

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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: In a calorimetry experiment, 25.0 mL of 0.10 M HCl at an initial temperature of 21.0 oC was added to…

A: Calculate the number of moles of water formed. The number of moles of HCl and NaOH are equal. The…

Q: Determine ΔHrxn for the reaction N2(g) + 3 H2(g) → 2 NH3(g) given the following average bond…

A: N≡N(g) + 3 H-H(g) → 2 H- NH – H (g) ∆Hrxn = Σ∆H (bonds broken) - Σ∆H (bond formed)

Q: A calorimeter contains 24.0 mL of water at 11.0 °C. When 2.20 g of X (a substance with a molar mass…

A:

Q: A 5.00 g sample of octane is burned in a bomb calorimeter containing 2.00×102 g H2O. How much…

A: The concept is based upon specific heat capacity may be characterized as the amount of heat energy…

Q: When 10.00 grams of cesium bromate is dissolved in 42.0 grams of water initially at a temperature of…

A: Given - Mass of CsBrO3 = 10.00 g Mass of water = 42.0 g Initial temperature = 25.00 ºC Final…

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: An unknown sample of coal is burned in an apparatus with a calorimeter constant of 0.8 kJ/°C. When a…

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Q: The reaction for the decomposition of potassium chlorate which is shown below.      2KClO3 (s)…

A: Balanced chemical equation:2KClO3 (s)    ------>      3O2(g)     +     2KCl(s)  +  78 kJQ = m . s…

Q: An electrical heater adds 25.3 kJ of heat to a constant-volume calorimeter. The temperature of the…

A:

Q: The heat capacity of an object indicates how much energy that object can absorb for a given increase…

A:

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: Consider the reaction. 2 Fe₂0, 4 Fe +30₂ AH = +824.2 kJ The formation of 62.0 g of Fe results in the…

A: Heat will be released when enthalpy change of reactions carry negative sign.   When enthalpy change…

Q: a 0.0950 mol sample of benzoic acid was combusted in a bomb calorimeter and the temp in the bomb…

A: Calorimeter constant is the heat capacity of calorimeter. It is the heat required to raise the…