Consider the following reaction: CH4 (g) + 202 (g) → CO2 (g) + 2H20(1) AH = -891 kJ How much heat could be obtained by the combustion of 24.5 g of CH4? 1124.90 -1360.94 2679.05 -2457.11

Q: 1. A 5.000 g sample of methanol, CH,OH, was combusted in the presenmce of excess oxygen in a bomb…

A: The given data : The mass of methanol = 5.000 g The mass of water = 4000 g The initial temperature…

Q: 2C2H6 (g) + 7O2 (g) → 4CO2(g) + 6H2O (g) ΔH = -1560 kJ How much heat (in kJ) is released if 11.1 g…

A: Moles of ethane=11.1/30=0.37

Q: Consider the following thermochemical reaction: 6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn =…

A: Given :-  6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn = +755.4 kJ  To calculate :-  mass of…

Q: The ∆Hrxn for the reaction CH3OH(l) → CO(g) + 2H2(g) is +128.1 kJ. Determine the heat consumed when…

A: Enthalpy of reaction is the amount of energy released or required to complete a reaction.

Q: performs an experiment to determine the heat of reaction in a cold pack. A Styrofoam calorimeter…

A: When a salt is dissolved in the water, some energy may be gained or released.this energy is…

Q: Consider the following reaction: 2 Mg + O2  2 MgO,  Hrxn = -1,203 kJ.Calculate the amount of heat…

A: The given balanced chemical reaction is as follows:

Q: 19. One reaction of iron with hydrochloric acid is represented by the following thermochemical…

A:

Q: Methane (also known as natural gas) is combusted with oxygen to produce heat according to the…

A: Number of mol of CH4 required = Q/∆Hrxn Q =  m . Cs . (T2 - T1) Given that: m = 100.0 g Cs = 4.184…

Q: When 0.963 g of benzene, C6H6, is burned in a bomb calorimeter, the temperature of the calorimeter…

A: The amount of heat was produced by the combustion of the glucose sample is calculated as,

Q: Write a balanced equation for the combustion of C3H8(g) (propane)-- i.e. its reaction with O2(g)…

A: The combustion reaction is shown as,

Q: The heat of combustion, AH°C, of acetone, C3H0, is -1790.4 kJ/mol. How many kilojoules of heat are…

A: We have to calculate the heat of combustion.

Q: CH4 (g) + 2 O2 (g) à CO2 (g) + 2 H2O (l) ∆H = -890.5 kJ What is the maximum amount of heat (in kJ)…

A:

Q: An automobile engine generates 2344 Joules of heat that must be carried away by the cooling system.…

A: To calculate w for the engine:

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…

A:

Q: The standard heat of combustion of propanol, C3H7OH, is 2021 kJ/mol. How much heat would be…

A: Number of moles of any substance can be calculated by dividing the mass of the substance with its…

Q: 0.15 moles of hydrochloric acid was neutralised by 0.50 moles of sodium hydroxide solution in a…

A: i) HCl is a strong acid while NaOH is strong base, so when they react with each other, they undergo…

Q: The combustion of butane, C4H10, is given as: 2C4H10(g) + 1302(g) → 8CO2(g) + 10H20(1), AH° = -5314…

A: Given , ∆H ° = -5314 KJ

Q: 1) Consider this reaction: Pb + PbO2 + 2SO3 → 2PBSO4 AH°rxn = -775 kJ How much heat will be released…

A:

Q: Consider the combustion of butane: 2C4​H10​(g)+13O2​(g)-->8CO2​(g)+10H2​O(l), ΔHrxn = −2878 kJ/mol…

A: The enthalpy of combustion of a substance indicates the enthalpy change produced as a result of the…

Q: What quantity of heat (in kJ) will be released if 1.20 mol of SrO is mixed with 0.911 mol of CO2 in…

A: Given: The number of moles of SrO (Strontium oxide) is 1.20 mol The number of moles of CO2 (carbon…

Q: Methanol is an organic solvent that can be used as a fuel in some automobiles. 2 CH3OH(l)…

A: Given: volume of methanol (CH3OH) = 15 mL density of methanol = 0.792 g/mL molar mass of methanol =…

Q: During an experiment, a student adds 2.90 g CaO2.90 g CaO to 400.0 mL400.0 mL of 1.500 M HCl1.500 M…

A: The weight of CaO is 2.90 g. The volume of HCl is 400.0 mL. The concentration of HCl is 1.500 M. The…

Q: The value of ΔH0for the reaction CH3OH(l) → CO(g) + 2H2(g) is +128.1 kJ. Determine the heat consumed…

A:

Q: A 140.0 g sample of water at 25.0°C is mixed with 100.0 g of a metal at 100.0°C. After thermal…

A: The change in energy of a system is given by,

Q: C3H8 (g)  +     O2 (g)  ->    CO2 (g)  +  H2O (l)     DH  =  -2220 kJ    How much heat, in kJ, is…

A: Heat is evolved by the complete combustion of 1.100g C3H8, (g) for the following reaction  C3H8 (g)…

Q: 1. What mass of methane (CH4) must be burned to release 185 kJ of heat?        CH4(g) + 2O2(g)…

A: Molar mass of CH4 = 1 * atomic mass of C + 4 * atomic mass of H = (1 * 12 + 4 * 1) g/mole = 16…

Q: What quantity of heat (in kJ) will be released if 0.1739 mol of NH3 are mixed with 0.200 mol of O₂…

A:

Q: The reaction for the combustion of propane is…

A: In the given question, a reaction is given in which we have to determine the amount of heat released…

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: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The reactants are zinc carbonate and dilute hydrochloric acid.The balanced equation will be:

Q: Consider the following thermochemical reaction for kerosene: 2C12H16 (l) + 37O2 (g) → 24CO2 (g) +…

A:

Q: The value of ΔH° for the reaction below is 128.1 kJ CH3OH (l) --> CO (g) + 2H2 (g)  How may kJ of…

A:

Q: The overall reaction in commercial heat packs can be represented as the reaction below. 4 Fe(s) + 3…

A:

Q: Calculate how much heat is released or absorbed

A: This is a dissociation reaction. In this reaction,  Molecular weight of NH3=17.031g/mol 2…

Q: The complete combustion of propane, C 3H 8(g), is represented by the equation:  C 3H 8(g) + 5 O 2(g)…

A: when the heat is evolved in a reaction then that reaction is known as exothermic reaction.  The…

Q: Magnesium oxidizes via the reaction: 2 Mg + O2 → 2 MgO The reaction has a △Hrxn = -1203 kJ. How…

A: 2Mg+O2→2MgO∆Hrxh=-1203 KJNumber of moles of O2=3 moles

Q: A 328.00 sample of an unknown metal at 87.78°C is placed in a calorimeter containing 136.00 mL of…

A: The principle of the calorimeter is the heat energy transferred between the water in the calorimeter…

Q: A 2.673 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Tf = 28.80°C  Ti = 25.03° C ΔT = Tf - Ti = 28.80° C - 25.03 ° C                                =…

Q: For the highly exothermic reaction H2(g) + 1/2 O2(g) → H2O(g) qrx =DHrx = -242 kJ, What quantity of…

A: Given: no of moles of H2 =17.9molno of moles of O2 = 1.13 molThe reaction is:H2(g) + 1/2 O2(g) →…

Q: When 0.5 mol of H2H2 is reacted with 0.5 mol of O2O2, 121 kJ of heat is released. Determine…

A: In the question, it is given that 0.5 mol of H2 react with 0.5mol of O2  i.e same ratio therefore…

Q: The combustion reaction of 1-pentanol is: C5H11OH(l) + 15/2 O2(g) → 5 CO2(g) + 6 H2O(l)…

A: Given data is as follows: C5H11OH l + 152 O2g   →5…

Q: Please help me, double and triple check your answers previous tutors got it wrong,

A: Given data, 1 mole propane burned to obtained 350kJ of heat

Q: "he combustion of fuel in a piston cylinder causes an internal energy change of -2.821E3 kJ. The…

A: According to firstaw of thermodynamics change is internal.energy is sum of heat change and work .

Q: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The reactants are zinc carbonate and dilute hydrochloric acid.

Q: How much heat (in kJ) will be released (∆H) if 1.20 mol of SrO is mixed with 0.505 mol of CO₂ in the…

A: According to the balanced chemical equation, 1 mole of CrO reacts with 1 mole of CO2 . Also, 234 kJ…

Q: Consider the following reaction: 2Mg(s)+O2(g)⟶2MgO(s)ΔH∘=−1203kJ What mass of magnesium must be…

A: Magnesium reacts with oxygen to form magnesium oxide. The equation for the balanced chemical…

Q: What mass of benzene (C6H6, molar mass = 78.11 g/mol) is required to produce 1.5x10^3kJ of heat…

A: Number of mole of substance is calculated by dividing mass of substance to molar mass of it where…

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: value of ΔE for the combustion of propane, C3H8 is -185.81 KJ. What is the heat formation of C3H8?

A: Heat of reaction is difference of energy of product  and energy of Reactant. If heat of reaction is…