Methanol (CH3OH) (molar mass: of 32.042 g/mol), used as a cooking fuel, burns in oxygen to produce carbon dioxide and water. 2 CH3OH (g) + 3O2 (g) ----> 2CO2 (g) + 4H2O + heat = -726 kJ How many grams of methanol are burnt to release 835. kJ of energy?

Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542 kJ If 8.300…

A: Given information:Mass of benzene (C6H6) = 8.300 gMass of water = 5691 gInitial temperature = 21…

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: Most ethylene (C2H4), the starting material for producing polyethylene, comes from petroleum…

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Q: (Q11) Ammonia reacts with oxygen according to the following balanced chemical equation 4 NH3 (g) + 5…

A: Heat can be calculated by using unitary method.

Q: The balanced combustion reaction for C,H, is 2C,H,(1) + 15 0,(g) → 12 CO,(g) + 6 H,O(1) + 6542 kJ If…

A: The combustion reaction given is  From the above reaction we can see that 2 moles of C6H6 is…

Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H2 0 is used. The initial…

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Q: In the following experiment, a coffee-cup calorimeter containing 100. mL of H2O is used. The initial…

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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: Consider the reaction:  2SO2​(g)+2H2​O(l) --> 2H2​S(g)+3O2​(g), ΔHrxn​=1124 KJ/mol How many moles…

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Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial…

A: Calculate the heat released when 9.10 g of CaCl2 is dissolved:

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: Heat is given by: Q = m×c×∆T  m = mass of the soluton  c = specific heat  ∆T = Temperature change

Q: In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield…

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Q: When 50.0 g of 0.200 M NaCl(ag) at 24.1 °C is added to 100.0 g of 0.100 M A9NO3(aq) at 24.1 °C in a…

A: Given: 0.200 M NaCl         mass  of NaCl =50. 0 gram         specific heat = 4.20 J/g C   find:…

Q: The enthalpy of formation for H2O(g), CO2(g), and C2H5OH(l), in kJ/mol, are given as follows:…

A: Given: The reaction is as follows: C2H5OH(l)  +  3O2(g)  -->  2CO2(g)  +  3H2O(g) Hfo[H2O(g)] =…

Q: A sheet of gold weighing 10.0 g and at a temperature of 18.0°C is placed flat on a sheet of iron…

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Q: If a system has 425 kcal of work done to it, and releases 5.00×102 kJ of heat into its surroundings,…

A: Convert the unit of work done to kJ:

Q: A volume of 125 mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00…

A: Given,Volume of water = 125 mLInitial temperature of water = 22.00 °CInitial temperature of steel =…

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: When methanol, CH,OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

A: We have to calculate the amount of heat released and limiting reactant.

Q: In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH), was added to 50.0 mL of 0.680 M The…

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Q: mass of carbon dioxide

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Q: When 10 g of citric acid was burned in a calorimeter containing 1500 g of water, a temperature rise…

A: Step 1: We know that,

Q: The temperature inside a sauna is 85.0°C. If 235.0g of solft drink straight from refrigerator…

A: 1- First we need to determine the change in temperature ( ∆T ) and mass in kg unit :  mass = 235.0g…

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

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Q: In searing temperatures reached in a lighting bolt, nitrogen and oxygen from nitrogen monoxide, NO.…

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

A: Molar heat capacity (C) :-  The amount of heat required to rise the temperature of 1 mole of a…

Q: Methane burns with oxygen to produce carbon dioxide and water as a gas. The balanced thermochemical…

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Q: What is ΔH when 1.00 g of CaC2(s) is formed? (d) How many grams of carbon must react to produce…

A: Introduction: Calcium carbide is also known as calcium acetylide. It is industrially used for the…

Q: When a 0.7521 g sample of benzoic acid was burned in a calorimeter containing 1000. G of water, a…

A: Given,Benzoic acid is 0.7521 g is burned in a calorimeter containing 1000. g of water,Temperature…

Q: The balanced combustion reaction for C,H, is 2C,H,1) + 150,(g) 12 CO, (g) + 6 H,O(1) + 6542 kJ If…

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Q: A sample of toluene (C7H8, 92.13 g/mol) was burned in a bomb calorimeter with a specific heat…

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

A: Given data Heat of combustion of propane ∆H=-2222 KJ/mol molar mass of propane = 44.11 g/mol mass of…

Q: 9.63 Reactions of hydrocarbons are often studied in the petro- leum industry. One example is 2…

A: Given reaction: 2C3H8(g) → C6H6(l) + 5H2(g) ∆H∘ = 698 kJ The volume of propane = 35 L The…

Q: The enthalpy of formation for H2O(g), CO2(g), and C2H5OH(l), in kJ/mol, are given as follows:…

A: Enthalpy of formation is the heat change take place for the formation of one mole of substance from…

Q: The enthalpy of reaction is -11.7 kJ/mol for the following reaction:   HCN(aq) + NaOH(aq) -->…

A: Given : Enthalpy of reaction =  -11.7 kJ/mol  Reaction given as : HCN(aq) + NaOH(aq) --> H2O(l) +…

Q: the enthalpy of reaction is -11.7 kJ/mol for the following reaction HCN(aq) + NaOH(aq) --> H2O(I) +…

A: Given mass of HCN = 0.926 g specific heat C = 4.18 J/g°C total mass = 77.3 g enthalpy of reaction =…

Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial…

A: 100ml of H2O is used Initial Temperature = 23oC ∆H = -82.8kJ/mol = 82800J Specific heat = 4.184J/goC…

Q: The thermite reaction, Fe2O3(s) + 2 Al(s) ---->2 Fe(s) +Al2O3(s), ΔH° = -851.5 kJ/mol, is one of…

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Q: The enthalpy for combustion for ethanol is -1370.7 kJ/mole and occurs via the following balance…

A: When two reactive compounds are mixed, then they react according to the stoichiometry of the…

Q: The complete combustion of acetic acid, HC2H3O2(l), to form water, H2O(l), and CO2(g), at constant…

A: Here we have to write balanced thermochemical equation and draw an enthalpy diagram-

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

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Q: Part A In the following experiment, a coffee-cup calorimeter containing 100 mL of H20 is used. The…

A: Answer:- This question is answered by suing the simple concept of calorimetry which states that heat…

Q: Whipping cream is made at home by using a cold bowl to help the cream stiffen. The bowl is made of…

A: Mass of ice = 0.5 kg Mass of aluminium bowl = 250 g Initial temperature of ice = -50C Initial…

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

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Q: A potted plant is placed under a grow lamp, which provides 6,200 J of energy that raises the…

A: The answer is given as follows

Q: /hen a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Heat absorbed by calorimeter=Heat capacity of calorimeter×Temperature change…

Q: The specific heat of aluminum is 0.897 J/g·°C and the specific heat of water is 4.18 J/g·°C.  If a…

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Q: When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 5.27 g of…

A: Given : Heat released on combusting 1 mol of C6H6 = 3.27 MJ = 3.27 X 106 J…