How much heat is rel;eased to the surroundings when 5.00g of CO2 is produced according to the following thermochemical equation? C3H8 + 5 O2 -> 3 CO2 + 4 H2O                                                            ΔHrxn = -2220 kJ/mol Note: the molar mass of CO2 is 44.0 g/mol 252 kJ 757 kJ 84.1 kJ

Q: enthalpy

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Q: Methanol (CH3OH) (molar mass: of 32.042 g/mol), used as a cooking fuel, burns in oxygen to produce…

A: Consider the given balanced reaction as;              Reaction:  2 CH3OH (g)   +   3 O2 (g)   → 2…

Q: What is the enthalpy change when 0.1 moles of ethanol undergoes complete combustion? The molar…

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Q: A 3.527 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given,  Mass of the sample = 3.527 g  Initial temperature = Ti = 24.87 0C  Final temperature = Tf =…

Q: Calcium hydroxide, which reacts with carbon dioxide to form calcium carbonate, was used by the…

A: Given, moles of CaCO3 formed = 3.8 mol

Q: A sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: A 3.619 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: In a calorimeter, heat absorbed by calorimeter and the heat released by the substance is equal.Heat…

Q: How many moles of H₂ are required to produce -4701 kJ of heat in the following reaction? N₂ (g) + 3…

A: Given: The chemical reaction is: N₂ (g) + 3 H₂ (g) → 2 NH₃ (g) ∆H° = -91.8 kJ/mol To find out: ?…

Q: רPi How much heat will be released (AH) if 0.2037 mol of NH3 are mixed with 0.20 mol of O2 in the…

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Q: Consider the following chemical reaction:   CS2(g)  +  3Cl2(g)  --->  S2Cl2(g)  +  CCl4(g);…

A: In the given equation is △H  is negative , so the given reaction is exothermic reaction.  1 mole of…

Q: A 12.40 gram sample is heated to an initial temperature of 50 oC. The sample is then placed in a…

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Q: The value of AH° for the reaction below is -82 kJ. kJ of heat are released when 80.9 grams of HBr is…

A: The balanced reaction given is, Given: ΔH of reaction = -82 KJ. And mass of HBr formed = 80.9 g.

Q: Use the thermodynamic data in the table below to calculate how much heat in kJ is required to change…

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Q: When 50.0 g of 0.200 M NaCl(aq) at 24.1 °C is added to 100.0 g of 0.100 M AgNO3(aq) at 24.1 °C in a…

A: Given: The total mass of the solution (m) is calculated as follows,

Q: The specific heat capacity of benzene (C6H6) is 1.74J/g.K. How much energy is required to heat 168g…

A: Specific heat   Specific heat of a substance is defied as the amount of the heat is used to increase…

Q: Use the thermodynamic data in the table below to calculate how much heat in kJ is required to change…

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Q: How much heat will be released (∆H) if 0.5417 mol of NH₃ are mixed with 0.20 mol of O₂ in the…

A: The given reaction is: 4 NH₃ (g) + O₂ (g) → 2 N₂H₄ (g) + 2 H₂O (g) That is, 4 moles of NH3 reacts…

Q: How much heat is released if 2.00 moles CF2Cl2 reacts with 70.0 g F2 with a 75.0 percent yield?…

A: The reaction taking place is  CF2Cl2 + F2 ------> CF4 + Cl2…

Q: What is the amount of heat released (in kJ) when 60.0 g of Fe is produced according to the following…

A: Correct answer is - 458 kJ. Molar mass of Fe = 55.845 g/mol By stoichiometry of reaction: Heat…

Q: In an ideal calorimeter, 10.00 mL of 3.00 M NH3 is reacted with 5.000 mL of 3.00 M HNO3. The initial…

A: Heat energy associated with this rise in temperature = m*C* ΔT where  m = mass of the solution C =…

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

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Q: What was the mass of the reaction solution?

A: We have to find the heat absorbed

Q: The heat of combustion (∆H) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

A: For propane Heat of combustion = - 2222 KJ Mass of propane = 1.085 g Molar mass of propane = 44.11…

Q: CaCO3(s) + 2 HCl(aq) –––> CaCl2(aq) + H2O(l) + CO2(g); ∆H° = -15.2 kJ Given the thermochemical…

A: We have to calculate the amount of heat liberated.

Q: You are given the following equation for the formation of sulfur trioxide in the reaction below.…

A: Mass of vegetable oil = 1.15 kg = 1150 gm  Heat capacity of vegetable oil (c) = 1.67 J/g°C  Initial…

Q: A 2.5 g sample of NH4NO3 is dissolved in 135 g of water in a Styrofoam cup, changing the temperature…

A: Data given: Mass of NH4NO3 dissolved = 2.5 g Mass of water = 135 g Initial temperature, T1 = 25.1 °C…

Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: Net reaction will be  2 N2 + 6 H2 + 5 O2  ==  4 NO + 6 H2O  which can be formed by adding 2nd…

Q: 1. What quantity of heat (in kJ) will be released (∆H) if 0.4501 mol of NH₃ are mixed with 0.200 mol…

A: Ammonia reacts with oxygen to form hydrazine and water. The equation for the balanced chemical…

Q: What mass of methane (CH4) must be burned to release 185 kJ of heat? CH4 + 2O2 → CO2 + 2H2O…

A: Number of moles of a substance are calculated by dividing its mass by molarmass which may be…

Q: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

Q: NH4NO3(s) -->  NH4+ (aq) + NO3- (aq) Determine DHsol (in kJ/mol NH4NO3) when 1.25 g of NH4NO3 is…

A: Mass of solution = 25 mL Density of solution = 1.02 g/mL Density =massVolume Mass = Density…

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

A: Heat of combustion of organic molecule = 0.391 g/mL It means 1 mL organic compound have = 0.391 g So…

Q: What quantity of heat (in kJ) will be released if 0.3387 mol of NH3 are mixed with 0.200 mol of O₂…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: 200 grams

A: A) moles of NH3 = 200g / 17gmol-1 = 11.765mol  B) moles of O2 = 450g / 32gmol-1 = 14.063mol

Q: Calcium chloride is dissolved in 212 g liquid water in a coffee cup calorimeter. The temperature of…

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Q: 67.0 mL of hot water (45.4 oC) is added to 45.0 mL of cold water (22.3 oC).  Upon mixing the water…

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Q: What is the ∆Horxn for formation of 31.2 g of KCl in the reaction shown below? 2 KClO3 (s)  →  2…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Write the thermochemical equation for: a. Heat energy of 849.0 kJ is absorbed when 2 mol carbon…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: The heat of combustion (AH) for an unknown hydrocarbon is -8.21 kJ/mol. If 0.344 mol of the…

A: ∆H = -8.21kj/mol =-8210J/mol  Since 1kj=1000j It means that during this process 8210 joule energy or…

Q: How much heat will be released (AH) if 0.6461 mol of NH3 are mixed with 0.20 mol of O2 in the…

A: Hello. Since multiple questions have been posted, the first question shall be only solved in this…

Q: What mass of butane (C4H10) in grams is necessary to produce 1.5 × 10³ kJ of heat? What mass of CO₂…

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Q: How much heat is rel;eased to the surroundings when 5.00 g of CO2 is produced according to the…

A: The given chemical reaction is: C3H8 + 5O2 --> 3CO2 + 4H2O       ΔH = -2220 KJ/mol   The given…

Q: A 5.1-gram piece of gold jewelry is removed from water at 100.0°C and placed in a coffee-cup…

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Q: The standard heat of combustion of a fuel (molar mass of 46 g/mole) is 1372 kJ/mol. How much heat…

A: Given that Molar mass = 46 g/mol Heat of combustion (ΔH) = –1372 kJ Heat liberated by 25.0 g sample…

Q: What quantity of heat (in kJ) will be released if 1.20 mol of SrO is mixed with 0.567 mol of CO, in…

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Q: equation, what is the standard heat of formation for NaOH? 2NaOH(s)-->2Na (s) + O2 (g) + H2 (g)…

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Q: Given the thermochemical equation, calculate the heat evolved (in kJ) when 78.9 g of SO2 (molar mass…

A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…

Q: A piece of iron (mass 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: