The preparation of NO2(g) from N2(g) and O2(g) is an endothermic reaction: N2(g) + O2(g) → NO2(g) (unbalanced).The enthalpy change of reaction for the balanced equation (with lowest whole-number coefficients) is ΔH = 67.7 kJ/mol reaction. If 291 mL of N2 and 435 mL of O2, both at 113°C and 2.65 atm, are mixed, what amount of heat is necessary to synthesize NO2?

Q: Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, and hydrogen…

A: The balanced reaction of the formation of 9 kg HNO3 and theoretical yield -  NH3g +2O2g →HNO3g…

Q: Which of the following is true about an exothermic reaction? O The number of moles of products is…

A: ''In exothermic reaction, heat is released" therefore heat of reaction is negative

Q: he combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) → 8CO2(g) +…

A: give  for 8 mole of CO2 produced to release 5314 kJ/mol of heat  then you have to determine the…

Q: 1 4 Acetylene (CH, gas is often used in welding torches because of the very high heat produced when…

A:

Q: Tt Uonsand Suppose a boil water notice is sent out advising all residents in the area to boil their…

A: We need to boil 14L of water. 14L=14*1000ml=14000ml of water Natural gas is here methane. During…

Q: 2 HCOOH + O2-> 2 CO2 +2 H20 + 508.6 kJ When an enthalpy change of 249.2 kJ is observed in the…

A: Given reaction ,     2HCOOH + O2 → 2CO2 + 2H2O + 508.6kJ  So ,2 moles of formic acid reacts with 1…

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat, via the following reaction:…

A: Given 2 Ti(s) +3 I2(g)  → 2Ti I3(s)∆Hrxn = -839 kJAtomic mass of Ti = 48 g/moleMolar mass of I2 =…

Q: Propane (C3H8)(C3H8) burns according to the following balanced equation:…

A: The Standard Enthalpy of Formation for the given reaction is given as:

Q: How many grams of C5H12

A: ∙Given:- mass =1.24kg or 1240g                    T1 Initial temperature=23.6°C…

Q: The thermite reaction, Fe2O3 + Al Al2O3 + Fe produces so much heat that the Fe product melts. This…

A:

Q: In an experiment, 4.5680 grams of an organic compound A2B undergoes combustion in a bomb…

A: The mass of the organic compound is = 4.5680 g Increase in the temperature of the solution is =…

Q: Ozone, O3(g)O3(g), is a form of elemental oxygen that is important in the absorption of ultraviolet…

A: The question is based on the concept of enthalpy change.    amount of heat change taking place due…

Q: Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and…

A: Calculate the change in enthalpy for the reaction?dH = m C dTdH = 25 grams…

Q: Using the reaction for the combustion of methanol: 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(g) ΔH comb =…

A: The combustion of methanol is given by the chemical reaction,2CH3OH(l)+3O2(g)→2CO2(g)+4H2O    ; ∆H…

Q: Acetylene C2H2 gas is often used in welding torches because of the very high heat produced when it…

A: The balanced chemical equation for the combustion of acetylene can be written as: 2 mol of…

Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

A: Since from the above reaction we can say that the heat produced by burning 1 mole of methanol is…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 373. kJ during a…

A: We have to calculate the change in energy and nature of reaction.

Q: important flavor component of vanilla extract is vanillin C8H8O3 molar mass = 152.15 g/mol when…

A: Heat release by combustion = heat gain by calorimeter

Q: The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) → 8CO2(g) +…

A:

Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O₂, a large amount of heat energy is…

A:

Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542…

A: Given reaction,     2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542 kJ   Given that: Mass of benzene = 7.100…

Q: Acetylene C2H2 gas is often used in welding torches because of the very high heat produced when it…

A: • Acetylene ⇒ C2H2   Oxygen ⇒ O2   Carbon Dioxide ⇒ H2O   Water ⇒ H2O1 C2H2 + 52 O2 → 2 CO2 + 1 H2O2…

Q: 2. Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: For which one of the following is the enthalpy of the reaction the same as the enthalpy of…

A: The standard enthalpy of formation is defined as the enthalpy change accompanying the formation of 1…

Q: Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and…

A:

Q: Which of the following correctly states the purpose of the Calorimetry experiment? (Experiment 1) To…

A: Applying concept of calorimetry.

Q: Determine the amount of heat (in kJ) given off when  1.28 × 104 g of NO2 is produced according to…

A: Calculate moles of NO2 first and then proceed ,given that,mass of NO2 = 1.28x104 g of NO2 Molar mass…

Q: How many grams of carbon are present if it requires 57.5 kJ of energy to heat a sample from 20.0 to…

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Q: Octane (C8H18) is a component of gasoline that burns according to the following equation:…

A: the enthlpy change during the combustion of 1 mole of the substance is known as enthalpy of…

Q: Ozone, O3(g), is a form of elemental oxygen that is important in the absorption of ultraviolet…

A: We know that according to the value of enthalpy change this process is exothermic in nature

Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

A:

Q: 3) Using data from table 1, calculate the enthalpy change of the chemical reaction represented by…

A: The given chemical reaction is: N2H2 + F2(g)   -----> N2(g) + 2HF(g)  We have to find enthalpy…

Q: You very carefully heat the compound for an extended period of time to drive off water, after which…

A: (i) Yes, it is correct formula of hydrated salt (ii) Mass of water = 0.2500 - 0.1598   = 0.0902 g…

Q: Methylhydrazine (CH6N2) is used as a liquid rocket fuel. The combustion of methylhydrazine with…

A: 2 CH6N2(l) + 5 O2(g)   →   2 N2(g) + 2 CO2(g) + 6 H2O(l)  1. Calculate amount of energy released…

Q: The reaction of carbon dioxide (g) with hydrogen (g) to form carbon monoxide (g) and water(g)…

A: Recall the given reaction,                  CO2 g  +  H2 g  →  CO g  +  H2O g12.7 g of CO2 g…

Q: Chemical energy is released or absorbed from reactions in various forms. The most easily measurable…

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Q: CH3OH(g)+32O2(g)⟶CO2(g)+2H2O(l)Δ?=−764 kJ   How much methanol, in grams, must be burned to produce…

A: First calculate the mole of CH3OH burned and then mass of CH3OH by multiplying by its molar mass.…

Q: Na(s) + ½ Cl2(g)   ¾®   NaCl(s)                       H°rxn =  –411.12 kJ/mol If 1.00 kg of sodium…

A: According to Hess’s law, the enthalpy change of the reverse reaction has opposite sign to the…

Q: The Bunsen burner in your labs are fueled by natural gas, which is  mostly methane, CH4. The…

A: The thermochemical equations for the combustion of methane (burning in oxygen) is: CH4(g)    +  2…

Q: The thermite reaction,Fe2O3 + Al -------> Al2O3 + Feproduces so much heat that the Fe product…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: For the combustion of methane(CH4)   CH4 (g)  + 2 O2 (g)  -->  CO2 (g) + 2H2O (g)       Δ H = -882…

A: Given: Mass of CH4 = 250.0 g Molar mass of CH4 = 16.04 g/mol

Q: Which of the following statement best describe the combustion of methane given below? * CH4(g) +…

A:

Q: Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water vapor.…

A: The enthalpy of formation of C5H8 is calculated by using standard data of enthalpy formation values.…

Q: How many grams of methane must you burn ( CH4+ 2 02 ==> CO2 + 2H20 DH =- 891 kJ/mole) to heat 1.2…

A: Given that, Change in enthalpy of burning 1 mole of methane ∆H = -891 kJ Mass of water to be heated…

Q: The combustion of one mole of benzene, C6H6, in oxygen liberates 3268 kJ of heat. The products of…

A: Given,  The combustion of one mole of benzene, C6H6, in oxygen liberates 3268 kJ of heat  The…

Q: For which one of the following is the enthalpy of the reaction the same as the enthalpy of…

A: Enthalpy of formation is defined as the amount of energy released or absorbed when one mole of a…

Q: The heat of combustion of isobutane, CH(CH3)3, is -2869. kJ/mol of isobutane. If a calorimeter…

A:

Q: Hypothetical elements A2 and B2 react according to the following equation, forming the compound АВ.…

A: We will answer this question using ∆H value and calorimeter concepts.

Q: AH° = -1670 kJ/mol 2. For this unbalanced chemical reaction: X(s) + 3/2 Y2(g) → X₂Y3 (Sh 1.…

A: Recall the given reaction,                                            X s  +  3/2 Y2 g  →  X2Y3 s…

Q: 1.     Ammonia can be generated by heating together the solids NH4Cl and Ca(OH)2. Other products of…

A: Note: As per our guidelines, we are supposed to answer only one question. Kindly, repost other…