The value of AH° for the reaction below is 128.1 kJ CH ,OH CO2es + 2H, (1) 2(g) 2(g) How may kJ of heat are consumed when 5.7 g of H2(g) is formed as shown in the equation?

Q: Consider the hypothetical thermochemical equation 3 A + B 2 C for which AH = 59.3 kJ/mol. What would…

A: The reaction 2 C -----> 3 A + B is just the reverse of 3 A + B ------> 2 C   So the ΔH for the…

Q: Without doing any calculations, match the following thermodynamic properties wvith their appropriate…

A: Gibbs free energy ∆G = ∆H - T∆S used

Q: The value of AU for the combustion of propane, C3H8, is -185.81 kJ. What is the heat of formation of…

A: Heat of formation of propane can be calculated as given below.

Q: by Leamin When a 6.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat…

A:

Q: A small piece of calcium carbonate was placed in a constant-volume calorimeter (Ccal=0.488  kJ/°C),…

A: Given data :  1. Ccal=0.488 kJ/°C 2. Change in temperature = 3.5 oC

Q: When 8.67 g of NaOH are added to 207 g of water in a constant pressure calorimeter, the temperature…

A:

Q: The combustion of 1.876 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from…

A:

Q: Many portable gas heaters and grills use propane, C3H8(g), asa fuel. Using standard enthalpies of…

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

Q: Solid carbon–C(s, graphite), gaseous hydrogen–H2(g), and thesugar glucose–C6H12O6(s) are all burned…

A: The standard reaction enthalpy is the sum of the standard enthalpies of the intermediate reactions…

Q: Consider the reaction:  2H2 + O2 yields to 2H2O     Delta H of the reaction = -484 KJ   What is…

A: The reaction is 2H2 + O2 →2H2O ....∆H = -484 KJ

Q: alculate the enthalpy for this reaction: 2C(s) + H2 → C2H2(g) ven the following thermochemical…

A: By using given thermodynamics data of three equations we can calculate the enthalpy change for the…

Q: The standard heat of combustion of propanol, C3H7OH, is 2021 kJ/mol. How much heat would be…

A: Number of moles of any substance can be calculated by dividing the mass of the substance with its…

Q: When a 7.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: 0.15 moles of hydrochloric acid was neutralised by 0.50 moles of sodium hydroxide solution in a…

A: i) HCl is a strong acid while NaOH is strong base, so when they react with each other, they undergo…

Q: When a 4.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A:

Q: 5.115 A quantity of 50.0 mL of 0.200 M Ba(OH)2 is mixedwith 50.0 mL of 0.400 M HNO3 in a…

A: The balanced chemical equation is given as, BaOH2(aq)+2HNO3aq→BaNO32aq+2H2Ol The required amount of…

Q: CHa (g) + 302 (g)2 CO2 (g) + 2 H20 (e) andard enthalpies of formation of CO2 (g) and H;0 (e) are…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: The value ΔH0 of for the reaction 2Ba(s) + O2(g)→ 2BaO(s)is -1107 kJ. Determine the heat released…

A: The enthalpy of a reaction is the heat that is released or absorbed in a chemical reaction that…

Q: The combustion reaction for butane is C4H10(g) + 6.5 O2(9) → 4 CO2(g) + 5 H20(g). Is the internal…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For the…

Q: A balloon is inflated with air from an initial volume of 1.44E-1 L to 2.16E0 L against an external…

A:

Q: Combustion of natural gas (primarily methane) occurs in mosthousehold heaters. The heat given off in…

A: From given  Initially we are calculating number of moles from the volume given and then amount of…

Q: Show the calculation of the heat of reaction (AHrxn) for the reaction: CH4 (g) + 2O₂ (g) → CO₂ (g) +…

A:

Q: When a 7.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: 16. Calculate the enthalpy for this reaction: 2C(s) + H2(g) - Given the following thermochemical…

A:

Q: Octane (C8H18) is a liquid hydrocarbon at room temperaturethat is a constituent of gasoline. (a)…

A: (a) Given reaction, Combustion of C8H18(l) to form CO2(g) and H2O(l)

Q: When 1.77 g of glucose (C6H12O6, molar mass = 180.156 g/mol) is burned in excess oxygen in a bomb…

A: Given: Mass of glucose burned = 1.77g Initial temperature of bomb calorimeter = 20.82 oC Final…

Q: Show the calculation of the heat of reaction (AHrxn) for the reaction: 3 C (graphite) + 4 H₂ (g)…

A:

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

A:

Q: A chemist mixes 1.00 g CuCl, with an excess of (NH4),HPO4 in dilute aqueous solution. He measures…

A: Number of moles of CuCl2 is determined as follows, No.of mol=MassMolar mass=1.00 g134.45…

Q: Imagine that a chemist wants to quantify the heat of reaction (ΔHrxn) for the following reaction…

A:

Q: What is the final temperature reached by the mixture in the calorimet

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: Limestone stalactites and stalagmites are formed in caves bythe following reaction:Ca2+ (aq) + 2…

A: The chemical reaction is as follows:

Q: The value of ΔHcomb for dimethylphthalate (C10H10O4) is 4685 kJ/mol. How much heat was released…

A: we need to calculate the heat was released during the combustion of dimethylphthalate. the formula…

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

A: Determination of heat released by dissolution of CaCl2 as; Heat released by dissolution = 4 g110.986…

Q: When 0.5 mol of H2H2 is reacted with 0.5 mol of O2O2, 121 kJ of heat is released. Determine…

A: In the question, it is given that 0.5 mol of H2 react with 0.5mol of O2  i.e same ratio therefore…

Q: 2.53 g of solid NaOH is dissolved in 100.00 g of water (total mass of solution = 102.53 g) in a…

A: The reaction given is NaOH(s) → NaOH(aq)                     ∆H° = - 43.0 kJ/mol  Hence we can say…

Q: To warm 400.0 g of H2O, 0.050 mol of ethanol (C2H5OH) is burned. The water warms from 24.6°C to…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: Consider the reaction 2 H, + O2 → 2 H,0 AHrxn = -484 kJ Which answer best describes the transfer of…

A: We have to tell amount of energy released when 1.5 mol is used

Q: Propane, C3HB, reacts with oxygen to produce carbon dioxide, water and heat. C3HB +5 02-3CO2 + 4 H20…

A: The reaction is said to be exothermic if the enthalpy change is negative.  The reaction is said to…

Q: The following combustion reaction was carried out using 3.88 g O2 and excess CH4. CH4 + 2O2 → CO2 +…

A: Methane reacts with oxygen to form carbon dioxide and water. The balanced chemical equation is as…

Q: A system initially at 1.50L changes its volume under an external pressure of 0.988atm while…

A: Given data:

Q: In constant-pressure calorimetry problems, we use the equation: qsoln = Cs ·msoln-AT=-qrxn In one…

A: Given : In constant-pressure calorimetry problems, the equation used is, => qsoln = CsmsolnΔT =…

Q: For chemical reaction N2(g)+ 3H2(g) → 2NH3(g) at 298.15K the standard heat of reaction is -46.1 kJ.…

A:

Q: An ideal gas with n = 3.0 mol is initially at 425 K when it is then compressed until it reaches 350…

A: This question can be solved using the first law of thermodynamics. The detailed solution is shown…

Q: The value of AH° for the reaction below is -336 kJ. Calculate the heat (kJ) released to the…

A: We have a reaction,  CH4 + 3Cl2   →  CHCl3 + 3HCl ,   ΔH = –336kJ we need to find heat released when…

Q: 5. The combustion of methanol CH,OH is given by the reaction 4CO+ 8H,O 4CH,OH + O Determine a. Heat…

A: NOTE: Note : please note Thermodynamic value was not provided in the question.  so,  I have used…

Q: When a 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: First, we will calculate the enthalpy change and then convert that heat into a molar quantity.  ΔH =…

Q: 4. Given the following information: (Enthalpy of Formation) AHF°(NO2, gas) = 33.18 kJ/mol AHF°(H2O,…

A: The standard enthalpy of formation is the enthalpy change of reaction in standard conditions when…

Q: The reaction for the metabolism of sucrose, C12H22011, is the same as for its combustion in oxygen…

A: Molecular weight of sucrose C12H22O11 = 342.30 g/mol Number of moles of sucrose = mass/mol.wt. =…

Q: A 25.0 mL portion of dilute HCl (aq) is combined with a 25.0 mL portion of dilute NaOH in a…

A: Interpretation -  To determine the qrxn in J when a 25.0 mL portion of dilute HCl (aq) is combined…