How much heat (in kilojoules) is evolved when 135 g of aluminum reacts completely in the following reaction? (the molar mass of aluminum is 27.0 g/mol) 2Al + Fe203 2Fe + Al203 AH = -80 kJ -->

Q: The heat of formation of Fe2O3(s) is -826.0 kJ/mol. Calculate the heat of the reaction 4Fe(s) +…

A: Given information,

Q: 3. When 0.050 mol of HCl is reactd with 0.050 mol of NaOH in 50.0 mL of water, the temperature of…

A: The heat of a system can be given as :

Q: Charcoal is primarily carbon. Determine the mass of CO, produced by burning enough carbon (in the…

A: Charcoal burns in the air and reacts with O2 to produce CO gas, which further burns with more O2 to…

Q: e the information to answer the following questions. This reaction is... Suppose 41.0 g of NH3…

A: The given data: 2NH3(g) ==> N2(g) + 3H2(g)∆H° = 160 KJ When ∆H° is positive,  it means heat is…

Q: A chemist measures the energy change AH during the following reaction: 2 HgO(s) → 2 Hg(1) + O₂(g)…

A: In an exothermic reaction, heat is released, and in an endothermic reaction, heat is absorbed.

Q: the heat formation of feo2 is -826. calculate the heat of the reaction when a 43.20g sample of iron…

A: The balanced thermodynamical Chemical equation given in the question is - 2Fe + 3/2O2 ----->…

Q: A chemist measures the energy change AH during the following reaction: 2 HgO(s) → 2 Hg(1) + O₂(g)…

A: The objective of the question is to determine the type of reaction (endothermic or exothermic) and…

Q: When a 0.740-g sample of trinitrotoluene (TNT), CH,N,0, Is burned in a bomb calorimeter, the…

A:

Q: how much heat is released when 24 grams of graphite (C) react with oxygen gas by the following…

A: Graphite reacts with oxygen to form carbon dioxide gas. The equation for the balanced chemical…

Q: How much heat is evolved when 453.5 g of ammonia (NH3) is produced according to the following…

A: Given Reaction is - N2 (g) + 3H2 (g) → 2NH3 (g)                  ΔH= -91.8 kJ

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: We allow 73 g of oxygen to react with 85 g of ethane.  The reaction is shown below.  Since the heat…

A: Given - Balanced thermodynamical Reaction -  C2H6 (g) + 7/2 O2 (g) → 2 CO2 (g) + 3 H2O (g) ,…

Q: 8. The equation for the combustion of methane, CH4 (the main component in natural gas) is shown…

A:

Q: A piece of metal weighing 5.10 g at a temperature of 48.6°C was placed in a calorimeter in 20.00 mL…

A: Interpretation: A piece of metal weighting 5.10 g at a temperature of 48.6°C was placed in a…

Q: In the following reaction, how much heat (in kJ) is released when 2.55 moles of CH4 are burned? CH4…

A: Given, the chemical reaction as follows,CH4(g)+2O2(g)→CO2(g)+2H2O(g)     ; ∆H° =-802 kJmolnumber of…

Q: In the following reaction, what is the quantity of heat (in kJ) released when 1.81 moles of CH4 are…

A:

Q: Magnesium burns in air to produce a bright light and is often used in fireworks displays. The…

A:

Q: A chemist measures the energy change AH during the following reaction: 2 H₂O(l) → 2 H₂(g) + O₂(g)…

A: In this question we have identify the given reaction is endothermic or exothermic and calculate the…

Q: Consider the following reaction: 2 Al (s) + Fe2O3 (s) → 2 Fe (s) + Al2O3 (s)    ΔH = -850 kJ What…

A: Given the chemical reaction as follows,2 Al (s) + Fe2O3 (s) → 2 Fe (s) + Al2O3 (s)   ;  ΔH = -850…

Q: A chemist measures the energy change AH during the following reaction: 2 NH3(g) → N₂(g) + 3H₂(g) ΔΗ=…

A:

Q: In the following reaction, how much heat is generated when 3.27 moles of CH« are burned? CH: (g) + 2…

A: The reaction is : CH4(g)  +  2O2(g)  →  CO2(g)  +  2H2O(g)       ∆H°=-802 kJ/mol Here, as we can…

Q: The following thermochemical equation is for the reaction of C(s,graphite) with O2(g) to form…

A:

Q: For the following combustion reaction CH3COCH3(1) + 402(g) ->>> 3CO2(g) + 3H₂O(g) AH = -1.79 × 10³…

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Q: In the following reaction, how much heat is generated when 3.33 moles of CH4 are burned? CH4 (g) + 2…

A:

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A:

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

A:

Q: Consider the reaction.   2Fe2O3⟶4Fe+3O2.    Δ?∘rxn=+824.2 kJ   The formation of 12.0 g of O2…

A: 2Fe2O3 ——> 4Fe + 3O2          Heat = +824.2 kJ Clearly,  this heat is released when 3 moles of O2…

Q: The heat of neutralization of HCl (water) with NaOH (water) is -55.84 kJ / mol H2O. If 50.00 mL 1.05…

A: Heat of Neutralization : The heat of neutralization ( or enthalpy of neutralization) is the energy…

Q: chemist measures the energy change AH during the following reaction: 2 NH3(g) → N₂(g) + 3H₂(g) ΔΗ=…

A: The given data:  2NH3(g) ==> N2(g) + 3H2(g) deltaH° = 160 KJ  When deltaH is positive,  it means…

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: how much heat (in kJ) is released

A: Given :- CH4(g) + 2O2(g) ---> CO2(g) + 2H2O(g).     ∆H°= -802 kJ/mol  Number of moles of CH4 =…

Q: In the following reaction, what is the quantity of heat (in kJ) released when 3.91 moles of CH4 are…

A: One mole of methane react with oxygen and produced carbon dioxide and two mole of water

Q: In the following reaction, how much heat (in kJ) is released when 5.81 moles of CH4 are burned? CH4…

A: The balanced Chemical equation is - CH4(g) + 2O2(g) -----> CO2(g)  + 2H2O(g)  (∆H° = -802 kJ/mol)…

Q: 2Al(s) + 3Cl2(g) ----à 2AlCl3(s);    H = –1390.81 kJ  How much heat is produced/required when 10.0…

A: Moles of AlCl3 is calculated as,

Q: In the following reaction, how much heat is generated when 3.21 moles of CH4 are burned? CH: (g) + 2…

A:

Q: We allow 81 g of oxygen to react with 66 g of ethane.  The reaction is shown below.  Since the heat…

A: Given that : The mass of oxygen = 81 g The mass of ethane = 66 g The reaction for the combustion of…

Q: The ΔH value for the reaction is -90.8 kJ. How much heat is released when 198.1 g Hg is reacted with…

A: Reaction involved :- 2Hg + O2 = 2HgO