Ex 1) When a piece of zinc is dipped in an aqueous solution of hydrochloric acid it reacts with the acid to produce hydrogen gas and zinc chloride. a) Write and balance the reaction and calculate the moles of hydrogen gas produced from 5.52 kg of zinc (assuming the acid is present in excess) b) Calculate the heat released by the complete combustion with formation of water vapor ( constant pressure, at 25°C and 1 atm) of the hydrogen gas produced (calculated at point a) c) Calculate the volume (measured at 25°C and 1 atm) of oxygen needed for the combustion described at point b)

Q: C. How much heat is produced when 85 g of nitrogen reacts with excess hydrogen according to the…

A: Ans Balanced chemical equation N2 + 3H2 ------------------------> 2NH3 Given that H2 in excess to…

Q: The equation for the combustion of octane is: 20,H) + 250e) →16CO +18H,0, AH =-10,900 kJmol a. What…

A: Interpretation: From the equation of combustion of octane, a) mass of oxygen needed to release 8516…

Q: Molar Mass: C3H8  = 44.097  H20 = 18.015  CO = 28.010g/mol  C3H8(g) + 3H20(g) -> 3CO(g) + 7H2(g)…

A: The enthalpy for the reaction between the propane and water is calculated as shown below.…

Q: Use the graphs below to determine the enthalpy of reaction for the conversion of butane, C4H10, to…

A: The two graphs given are,

Q: How much energy in kJ is released in burning 2.93 mL of gasoline (assuming that all of it is octane…

A:

Q: Bas. C3H8(g) + 5 02(g) -> 3 CO2(g) + 4 H20(g) AHrxn = -2217 kJ How many grams of O2 gas (molar mass…

A: Given that -  Thermodynamical Reaction is -  C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g) , ∆Hrxn =…

Q: How many moles of H₂ are required to produce -3651 kJ of heat in the following reaction? N₂ (g) + 3…

A: Mole of H2 needed = 117.35 mole

Q: How much heat will be released (AH) if 0.5387 mol of NH3 are mixed with 0.20 mol of O2 in the…

A:

Q: How much energy in kJ is released in burning 1.83 mL of gasoline (assuming that all of it is octane…

A: How much energy in kJ is released in burning 1.83 mL of gasoline (assuming that all of it is octane…

Q: In the following reaction, What quantity in moles of CH₃OH are required to give off 2526 kJ of heat?…

A: Given :-   2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g)  ∆H° = -1280. kJ  To be calculated :-…

Q: Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H,0. Its heat of combustion is -6322 kl/mol…

A:

Q: The major source of aluminum in the world is bauxite. Its thermal decomposition can be written as:…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Using the balanced chemical reaction below, answer the following question: 2 HCI + Ba(ОН)2 BaCl2 + 2…

A: The number of moles of HCl in the solution of 216 mL of 0.21 M HCl is; nHCl=MHCl×VHCl=0.21 mol…

Q: How many moles of H2 are required to produce -2501 kJ of heat in the following reaction? N2 (g) + 3…

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

Q: How much energy in kJ is released in burning 2.97 mL of gasoline (assuming that all of it is octane…

A:

Q: Consider the combustion of liquid CsHs in oxygen gas to produce carbon dioxide gas and water vapor.…

A: Balanced chemical equation :C5H8l + 7O2g →            5CO2g + 4H2Og∆H = -3068 kJmolCompound   ∆H°f…

Q: Consider the combustion of liquid CsHs in oxygen gas to produce carbon dioxide gas and water vapor.…

A: Solution:- given ∆H for the combustion reaction ∆Hrxn= -3076 kJ/mol.                 C5H8 (l) + 7O2…

Q: How much energy in kJ is released in burning 1.77 mL of gasoline (assuming that all of it is octane…

A: The equation for the combustion reaction is C8H18(ℓ) + 25/2O2(g) → 8CO2(g) + 9H2O(ℓ)

Q: 3. Calculate the standard enthalpy of reaction for the following reactions: A) 2 NH3(g) + /2 O2lg)→2…

A: We can find standard enthalpy of reaction by using standard enthalpy of formation values of…

Q: How much energy in kJ is released in burning 2.83 mL of gasoline (assuming that all of it is octane…

A:

Q: How much energy in kJ is released in burning 2.87 mL of gasoline (assuming that all of it is octane…

A:

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

A: CH3OH + 3/2 O2 ...> CO2 + 2H2O dH = -764 KJ Enthalpy of reaction is negative. It means combustion…

Q: Calculate the heat exchanged when 32.0 g oxygen reacts with 16.0 g methane:  CH4(g) + 3/2 O2(g) →…

A: Ans -600kj

Q: In the following reaction, What quantity in moles of CH;OH are required to give off 1501 kJ of heat?…

A:

Q: For the reaction shown below, calculate how much heat is produced by the complete combustion of 50.0…

A: The molar mass of C = 12g/mol The molar mass of H = 1g/mol Therefore the molar mass of butane…

Q: Uranium (IV) oxide is a black crystalline powder. When treated with a mixture of gaseous hydrogen…

A: We would first write a balanced chemical equation for the given reaction. Then using the balanced…

Q: when 0.0300 mol of NH3(g) react with 0.0200mol of N2O(g) according to the following equation?…

A:

Q: in the reaction, C(s)+O2(g)>CO2(g), how many moles of carbon would need to be burned in order to…

A: Given reaction is: C(s) + O2 (g) → CO2 (g)  +  Q The heat required to be produced, ∆H =500 kJ This…

Q: Methanol, CH3OH (molar mass: 32.042 g/mol), reacts with O2 and can be used as fuel according to the…

A:

Q: If -4790 J of heat was produced from the combustion of 0.561 moles of C5H8, what is the enthalpy…

A: Given:  Heat released= 4790 J  Number of moles of C5H8 = 0.561 moles

Q: Using the following thermochemical equation, determine the amount of heat produced per kg of CO2…

A: The balanced chemical equation is given below.2 C6H6 (l) + 15 O2(g) --> 12 CO2(g) + 6 H2O(g)The…

Q: Consider the following reaction: 2 H2(g) + O2(g)  2 H2O(l) Answer the following questions: (a) How…

A:

Q: A certain chemical reaction releases 368.kJ of heat energy per mole of reactant consumed. Suppose…

A: In case of a calorimeter we can relate the heat change of a system to the product of thenumber of…

Q: A heat of formation is A) The heat produced in a reaction when 1 mole of a compound is produced. B)…

A: In chemistry, the various types of enthalpies are used to measure the stability and feasibility of…

Q: a) Determine which of the two reactants (MgCO34) or HCla) is the limiting reagent. b) Determine how…

A: Reaction                      MgCO3 (s) + 2HCl(aq) ------> MgCl2 (aq) + H2O (l) + CO2 (g); ∆Hrxn0…

Q: When 13.99 mL of HCl of unknown concentration (but less than that of the base) are reacted with…

A: Given data: Volume of HCl used = 13.99 ml Volume of NaOH used = 15 mL Concentration of NaOH = 3.172…

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

A: From stoichiometric equation, we will calculate the number of moles of magnesium that must be…

Q: How much energy in kJ is released in burning 2.43 mL of gasoline (assuming that all of it is octane…

A:

Q: The standard enthalpy of formation (AH) is the enthalpy change that occurs when exactly 1 mol of a…

A: As we know enthalpy of formation of is defined as change in enthalpy associated with the formation…

Q: 2. (a) 36 mL of 1.0M hydrochloric acid is react with a solution of sodium hydr concentration 1.6M…

A: We will calculate heat of reaction

Q: C. Ex: Calculate the heat produced by reacting 12.6 g of hydrogen peroxide, H,02. 2 H2O2(aq) → 2…

A:

Q: For the following reaction, what mass, in g, of ammonia is required to produce 375.0 kJ of heat? 4…

A: The given reaction is, 4 NH3 (g) + 5 O2 (g) →4 NO (g) + 6 H2O (g) Given that, ∆H = -906 kJ/mol. To…

Q: During an experiment, a student calculated the heat of neutralization reaction to be - 52.8 kj/mol.…

A: Please find the attached images for the answer

Q: The reaction N2(g) + 3H2(g) --> 2NH3(g) at 400.0°C has an associated heat of reaction -92.22 kJ/mol.…

A: The given chemical reaction is as follows: N2(g) + 3H2(g) → 2NH3(g)                    ∆Hr=-92.22…

Q: How much energy in kJ is released in burning 1.63 mL of gasoline (assuming that all of it is octane…

A: deltaHoformation= [sum of delta Hof(product)]-        [sum of delta Hof(reactant)] Standard enthalpy…

Q: How much heat is liberated at constant pressure if 0.938 g of calcium carbonate reacts with 73.2 mL…

A: Since molar mass of calcium carbonate = 100 g/mol Hence moles of calcium carbonate = mass / molar…

Q: How much heat will be released when 1.48g of chlorine reacts with excess phosphorus according to the…

A:

Q: Oxygen difluoride reacts with water vapor to produce 318 kJ of heat by the following equation: OF2…

A:

Q: How much energy in kJ is released in burning 2.43 mL of gasoline (assuming that all of it is octane…

A:

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.