11) When potassium chloride reacts with oxygen under the right conditions, potassium chlorate is formed: 2 KCI + 3 02 - 2 KCI03 Given that the heat of formation of potassium chloride is -436 kJ/mol and the heat of formation of potassium chlorate is -391 kJ/mol, determine the heat of reaction.

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: Titanium reacts with iodine to form titanium(III) oxide as shown below. Calculated the heat emitted…

A: Given data, Mass of titanium=29.7gMass of iodine=198g∆H for the reaction=-839kJ

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

A: Given :-  2Mg(s) +O2(g) 2MgO(s)    ; ∆Ho = -1203 kJ  mass of Mg burns = 6.82 g  To calculate :-…

Q: Hydrogen peroxide releases oxygen gas on decomposition: 2 H202 (1) --> 2 H20 (1) + O2 (g) ΔΗ - 196.1…

A: Given, 2H2O2(l) ➝ 2H2O(l)  + O2(g)  ∆Hrxn = -196.1 kJ mass of H2O2 decomposes = 652 g amount of heat…

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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: The following thermochemical equation is for the reaction of nitrogen(g) with hydrogen(g) to form…

A:

Q: The following thermochemical equation is for the reaction of ammonium nitrate(s) to form dinitrogen…

A: Given: The given reaction and its energy is,

Q: The following thermochemical equation is for the reaction of hydrogen chloride(g) with ammonia(g) to…

A: Given,                                              that means 1…

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: 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: 22. Write a reaction that corresponds to the Suppose a 50.0 g block of silver (specific heat =…

A: The question is based on the law of conservation of energy. whatever heat lost by hot silver metal…

Q: How much heat is needed to raise the temperature of 13.0g of iron from 19.00C to 100.00 °C? The…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: rial typically used to heat metal radiators is water. If a 5°C, what mass of water was needed to…

A: Given data set: Specific heat of water = 4.184 J/g C Change in Temperature = 79.5 °C We need to…

Q: How much heat will be absorbed when 38.2 g of bromine reacts with excess hydrogen according  to the…

A: Given :-  H2 + Br2  + 72.80 kJ → 2HBr  To calculate :-  Amount of heat absorbed when 38.2 g of…

Q: How much heat will be released (∆H) if 1.20 mol of SrO is mixed with 0.951 mol of CO₂ in the…

A: Let x be the number of moles at CO2 required by 1.2 mol of SrO 1.2 mol of SrO requires 1.2 moles of…

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: The heat of formation of H2SO4 is -909.27 kj/mol. Give the thermochemical equation for the formation…

A: Here we are required to show the formation of aqueous sulphuric acid

Q: An iron bar of mass 869 g cools from 90.0°C to 8.0°C. Calculate the metal's heat change (in…

A: For this question, we apply the equation: Q = mCp ΔT

Q: The fuel value of natural gas is 54.0 kJ/g how much heat results from the combustion of 2.84 kg of…

A: The fuel value of natural gas is given in kJ/g unit. So first convert the given mass of natural gas…

Q: The following thermochemical equation is for the reaction of iodine(g) with chlorine(g) to form…

A:

Q: Consider the following reaction: 2 Mg(s) + O2(g) ⟶⟶ 2 MgO(s)…

A: There is a  the  reaction  :- 2 Mg(s) + O2(g) ------------> 2 MgO(s).…

Q: How much heat will be released (AH) if 0.5263 mol of NH3 are mixed with O.20 mol of O2 in the…

A: Interpretation: The amount of heat released in the following reaction is to be determined. Reaction:…

Q: A chunk of lead at 91.6°C was added to 200.0 g of water at 15.5°C. The specific heat of lead is…

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Q: How much heat will be released (∆H) if 0.1665 mol of NH₃ are mixed with 0.20 mol of O₂ in the…

A:

Q: Consider the following thermochemical reaction for kerosene: 2 C12H26 (1) + 37 O2 (g) 24 CO2 (g) +…

A: The given balanced chemical equation is: 2 C12H26 (l) + 37 O2 (g)→ 24 CO2 (g) + 26 H2O (l)…

Q: The value of AH° for the reaction below is -72 kJ. kJ of heat is released when 8 g of HBr (molar…

A: Given:  ∆Ho=-72 kJ (negative sign indicates heat is released in the reaction) Mass of HBr = 8 g…

Q: When 0.5 mol of H2 is reacted with 0.5 mol of O2, 121 kJ of heat is released. Determine ΔHrxn for…

A: Given:  Moles of H2 =0.5  Moles of Cl2 = 0.5  Heat released = 121 KJ

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

A: Heat released and absorbed in a chemical reaction is function of the numbe of moles of reactants…

Q: How much heat energy is required to raise the temperature of 0.366 kg of copper from 23.0 C to 60 C?…

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A:

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A:

Q: 12) Calcium carbonate decomposes at high temperature to form carbon dioxide and calcium oxide: Caco3…

A: To find the heat of the reaction for the below reaction. CaCO3 → CO2 + CaO Given that:

Q: Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ How much heat is…

A: Using the concept of limiting reagent, we can easily find the number of moles of the reaction that…

Q: For the reaction given in Part A, how much heat is absorbed when 3.70 mol of A reacts?

A: Given: ∆fH°(A) = -233 kJ/mol ∆fH°(B) = -391 kJ/mol ∆fH°(C) = 181 kJ/mol ∆fH°(D) = -477 kJ/mol

Q: Chemical handwarmers work by using the oxidation of iron to release heat (Q).  In this reaction, the…

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A:

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A:

Q: The following thermochemical equation is for the reaction of hydrogen chloride(g) with ammonia(g) to…

A: One mole of HCl reacts with one mole of ammonia to form one mole of ammonium chloride. In this…

Q: 1. Calcium carbonate decomposes at high temperatures to form carbon dioxide and calcium oxide: Given…

A: We have given that  Calcium carbonate decomposes at high temperatures to form carbon dioxide and…

Q: How much heat (in kJ) will be released (AH) if 0.4501 mol of NH3 are mixed with 0.200 mol of O, in…

A: Applying concept of limiting reagent and heat released.

Q: 4. Consider the equations for these reactions: % N2 + % 02→ No AH = +90.4 kJ NO2 → NO + % 02 AH =…

A: Given data, The given chemical reactions are - 12N2 + 12O2 → NO   ------ (1)  The ∆H for equation…

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A: Given that 747 kJ of energy are evolved in the reaction.

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

Q: The value of ΔH0for the reaction is -482 kJ.  What is the heat released to the surroundings when…

A: When two moles of CO reacts with one mole of O2, two moles of CO2 are formed. The amount of heat…

Q: Hydrazine, N2H4 is used as rocket fuels. The thermochemical equations for the combustion of…

A: Given :- N2H4  + O2→ N2 + 2H2O   ∆H = -622.4 KJ To determine :-   quantity of heat  liberated from 1…

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A:

Q: One origin of SO3 is the combustion of sulfur, which is present in small quantities in coal. S(s) +…

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Q: How much heat (in kilojoules) is evolved when 135 g of aluminum reacts completely in the following…

A: Applying mole concept and unitary method for calculation.

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.