The following thermochemical equation is for the reaction of  iron(III) oxide(s) with hydrogen(g) to form iron(s) and water(g). Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g)     H = 98.8 kJ When 61.3 grams of iron(III) oxide(s) react with excess hydrogen(g),   kJ of energy are _________ evolved or absorbed?

Q: 7) A 100.0 mL sample of 0.300 M NAOH is mixed with a 100.0 ml sample of 0.300M HNO, in a coffee cup…

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

Q: The complete combustion of solid naphthalene into CO2(g) and H2O(l) at 25 °C produces 5154 kJ/mol of…

A: Given here the complete combustion of solid naphthalene into CO2(g)and H2O(l) at 25 °C produces 5154…

Q: When 1.006 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the…

A:

Q: When 20.0 mL of 0.200 M A9NO3 and 30.0 mL of 0.100 M NaCl, both at 24.72°C, are mixed in a…

A:

Q: The

A: We will use stoichiometry of the reaction,

Q: The following thermochemical equation is for the reaction of iron(s) with hydrochloric acid(aq) to…

A: Given: Fe(s) + 2HCl(aq) FeCl2(s) + H2(g)     H = -7.40 kJ moles of Fe = massmolar mass…

Q: The formation of rust (Fe2O3) from solid iron and oxygen gas releases -1.7  103 kJ. 4 Fe(s) + 3…

A:

Q: The enthalpy of combustion of ethane gas, C2H6(g), is about -1.5*10^3 kJ/mol. When ethane reacts…

A: Ans

Q: When 1.526 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the…

A: Given  Mass of sucrose = 1.526 gram  Initial Temperature ( T1 ) = 22.41 ℃  Final Temperature ( T2 )…

Q: The following thermochemical equation is for the reaction of hydrogen sulfide(g) with water(l) to…

A: The given reaction of hydrogen sulfide with water is, H2S(g)+ 2H2O(g) -----> 3H2(g) + SO2(g)  The…

Q: Consider the following balanced chemical equation for the combustion of acetylene (CH): Overall…

A: Hess's law is used here. According to Hess's law, the overall enthalpy of the reaction is the sum of…

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: To solve this problem, first calculate the q for reaction by using formula q = n∆H. Using q value…

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: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: the amount of heat required to raise the temperature by 1 degree of mass 1 gm is known as specific…

Q: Zinc metal reacts with HCI according to the following balanced equation: Zn(s) + 2HCI(aq) -->…

A: Given : volume = 47.0 ml density = 1.03 g / ml specific heat = 4.184J /g°c temperature change of…

Q: Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used…

A: Given reaction is, C2H4 + H2 →C2H6  127 KJ heat released per mole of C2H4 reacts with H2 Given Mass…

Q: C8H18 (l)   +   25 O2 (g)  à   16 CO2 (g)   +   18 H2O (l)          ΔHo = -10,992 kJ    Write a…

A: The question is based on the concept of chemical thermodynamics. we have to write thermochemical…

Q: Octanitrocubane is a high explosive detonating with shock. It decomposes according to the following…

A:

Q: When gasoline burns in an automobile engine, the heat released (325 J) causes the products CO2 and…

A: It is given that 325 J of heat is released when gasoline is burned, and the work done by the gases…

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A:

Q: 2. Calcium oxide can be reacted with pure carbon to produce calcium carbide, which is an explosive…

A: The balanced reaction taking place is given as, => CaO + 3 C ---------> CaC2 + CO…

Q: The combustion reaction of octane is represented by the following equations: 2C8 H18 (1) + 25 O2 (g)…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

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

A: From the equation, it is clear that 36.5g of HCl react with 36g water and release -114kJ of energy

Q: The following thermochemical equation is for the reaction of hydrogen sulfide(g) with water(l) to…

A:

Q: The following thermochemical equation is for the reaction of iron(III) oxide(s) with hydrogen(g) to…

A: Given reactionFe2O3s+3H2g→2Fes+3H2Og                                ∆H=98.8 KjUsing Stiochiometric…

Q: Research is being carried out on cellulose as a source of chemicals for the production of fibers,…

A: To get the final equation, First equation has to be reversed and multiplied by 6. Second equation…

Q: The following thermochemical equation is for the reaction of hydrogen sulfide(g) with water(l) to…

A:

Q: When 1.416 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the…

A: Answer:

Q: The following thermochemical equation is for the reaction of ethane(g) with oxygen(g) to form carbon…

A: When 1 mol of compound is burnt completely in oxygen then the heat evolved in the reaction is known…

Q: Combustion of hexane releases 3500 kJ per mole. What is the mass of hexane need to be burnt to…

A: Given ΔH = 3500 KJ/mol mass of water = 2 kg T1 = 25°C T2 = 100°C Cv = 75.32 J/mol.K Also  moles =…

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

A: The reaction given is  N2(g) + 2O2(g)------->2NO2(g)                        ΔH = 66.4 KJ Hence…

Q: Aqueous ethylene glycol is commonly used in car radiatorsas an antifreeze and coolant. A 50%…

A: Given : Mass of solution = 4.0 Kg  Heat absorbed by the solution = 250 KJ  Specific heat capacity of…

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

A:

Q: barbeques burns according to the following thermochemical equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)…

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

Q: Hydrogen cyanide is used in the manufacture of clear plastics such as Plexiglas. It is prepared from…

A: In this question, we will determine the value of heat ( q ) in kJ unit.  You can see step by step…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the reaction: (1) CH4…

A:

Q: When 1.091 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the…

A: Mass of sucrose is = 1.091 g The molar mass of sucrose is = 342.3 g/mol An increase in the…

Q: Given the balanced equation below for the highly exothermic reaction of aluminum with oxygen to form…

A: Given balanced chemical equation is -

Q: The following thermochemical equation is for the reaction of Fe3O4(s) with hydrogen(g) to form…

A:

Q: The reaction of carbon(s) with oxygen (g) to form carbon dioxide(g) proceeds as follows:…

A: In this question, we will determine the change in enthalpy ∆H for the given chemical equation.  You…

Q: The following thermochemical equation is for the reaction of sodium(s) with water(1) to form sodium…

A: Answer:- This question is answered by using the simple concept of stoichiometry of thermochemical…

Q: The heat of combustion, ΔH°c , of acetone, C3H6O, is -1790.4 kJ/mol. How many kilojoules of heat are…

A:

Q: The following thermochemical equation is for the reaction of calcium carbonate(s) to form calcium…

A: Given that: Energy = 71.0 kJ Mass of CaCO3 = ?

Q: In a coffee-cup calorimeter, 0.800 g of ammonium nitrate is mixed with 37.5g of water at an initial…

A:

Q: The following thermochemical equation is for the reaction of carbon monoxide(g) with water(l) to…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

Q: When 1.151 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the…

A: The molecular formula of sucrose is C11H22O11. The molecular weight of sucrose = 342.3 g

Q: The following thermochemical equation is for the reaction of Fe₂0,(s) with hydrogen (g) to form…

A: Given thermochemical equation : Fe3O4(s) + 4 H2(g) -----> 3 Fe(s) + 4 H2O(g) and for this…

Q: 1.6 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

A:

Q: The combustion of methanol is described by the following equation. 2 CH3OH (l) + 3O2 (g) → 2 CO2 (g)…

A: →The amount of energy releases when 1 mole of substance      formed from it's constituents…