9. Water gas is a 1:1 mole ratio of CO (g) and H, (g). It is burned in air: 2CO(g) + O,(g) 2CO,(g) A,H =-566 kJ mol > %3D 2H,(g) + O2(g) - → 2H,0(1) A,H =-571.7 kJ mol (1) Find the number of moles of CO (g) and H, (g) present in 50.0 g of water gas. (Remember that they are present in a 1: 1 mole ratio). (2) Use the preceding thermochemical equations to find the enthalpy change when 50.0 g of water gas are burned in air.

Q: Calculate ΔH for the reaction2 C(s) + H2(g) -----> C2H2(g)given the following chemical equations…

A: Given,

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol1 K-1. How much heat in cal is…

A: `Given:-  Molar Heat Capacity for CO = 6.97 cal mol-1 K-1 Final Temperature = 392K Initial…

Q: 7. Consider the combustion of methanol: pg292 2CH3OH(I) + 302(g) 2CO2(g) + 4H2O(I) Calculate the AH…

A:

Q: The standard enthalpy of combustion of acetylene gas, C2H2(g), is – 1299.8 kJ/mol at 298 K. Given…

A: The given data contains, ∆Hf°(CO2) = -393.5 KJ/mol∆Hf°(H2O) =-285.8  KJ/mol∆Hrxn°=-1299.8  KJ/mol

Q: Solve, given delta H.

A: The given equations are :

Q: A 0.836 g of CH14 are burned in a constant volume calorimeter, the calorimeter temperature rises…

A:

Q: Calculate the total energy (kJ) required to heat a 17.5 g sample of benzene (C&H6) from 0.00 °C to…

A: Given that: molar mass: 78.11 g/mol cs,solid  = 1.51 J/g*°C cs,liquid  = 1.70 J/g*°C cs,gas  = 1.05…

Q: For nitrogen gas the values of C, and C, at 25°C are 20.8 J K-1 mol-1 and 29.1 J K-1 mol-1,…

A: Here we have to determine the fraction of energy used to increase the internal energy of gas and the…

Q: From the enthalpies of reaction: H2 (g)   +   F2(g)    ------- >  2 HF (g)          ∆H = -537 kJ…

A: (i) H2 (g)   +   F2(g)  →  2 HF (g)          ∆H = -537 kJ (ii) C(s)  +   2 F2 (g)    →   CF4(g)…

Q: Trinitroglycerin, C3H5N3O9 (usually referred to simply as nitroglycerin), has been widely used as an…

A: Hi, since there are multiple questions posted we will provide you with answers for the first two…

Q: Given the following reactions and their molar enthalpies: 2H2(g) + O2(g) 2H20(1) AH= -483.6 kJ --->…

A:

Q: Calculate the enthalpy of combustion (kJ/mol) of cetane (C H,.), an analogous component in diesel…

A:

Q: If for the reaction: 2Fe(s) + O2(g) →2F€O(s) AHrn= -544 kJ/mol rxn, then for the reaction: FeO(s)…

A: Given,  2Fe(s) + O2(g)→ 2FeO(s)  ∆Hrxn = - 544 kJ/mol

Q: Given that H, (g) + F,(g) → 2 HF(g) AHn = -546.6 kJ. 2 H, (g) + 0,(g) 2H,O(1) AHn = -571.6 kJ…

A:

Q: Given the following enthalpies of reaction: C + O2 ---> CO2 ΔH = -393.5 kJ H2 + 1/2 O2 ---> H2O ΔH =…

A: Answer:- This question is answered by using the simple concept of Hess law of constant heat change…

Q: A crucial reaction for the production of synthetic fuels is the production of H2 by the reaction of…

A:

Q: What is the enthalpy change of combustion of urea, (NH½CO, in kJ mol-1? 2(NH2)2CO(s) + 302(g) →…

A: A multiple choice question based on enthalpy of combustion, which is to be accomplished.

Q: A certain hydrocarbon of the molecular formula C,H2, has a standard enthalpy of formation AH, =…

A: For the combustion reaction, the chemical equation is shown by equation (1) and the value for x is…

Q: Calculate the enthalpy for this reaction: 2C(s) + H2(g) ---> C2H2(g) AH° = ??? kJ Given the…

A: The reactions given are, 1) C2H2 (g) + 5/2 O2 (g) -------> 2 CO2 (g) + H2O (l)…

Q: Below is a list of Enthalpies of Formation. Substance Δ??(?????)ΔHf(kJmol) C3H8(g) -104.7 O2(g) 0…

A: Introduction: The total amount of energy of a system is called enthalpy and the heat of formation is…

Q: The heat combustion of acetylene, C2H2 (g), at 25°C, is -1299 kJ/mol. At this temperature, ∆H°f…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: A 0.500 mole sample of CO(g) is combusted in a constant pressure calorimeter to CO2(g). The…

A: Given: Initial temperature of calorimeter = 25.00 oC Final temperature of calorimeter = 27.50 oC…

Q: Given the data below, H°, for the reaction rxn 2SO2 (g) + O2 (g) → 2SO3 (g) is kJ. AH°; (SO2 (g)) =…

A: O2(g) is pure gas at room temperature so it's ∆H°formation is Zero. So we not need value of O2

Q: A0.836 g of CęH,4 are burned in a constant volume calorimeter, the calorimeter temperature rises…

A:

Q: Hydrazine and 1,1-dimethylhydrazine both react spontaneously with Oz and can be used as rocket…

A: Given : Answer for part A as  Reaction :   => ΔH0 = -16.7 KJ/g hydrazine  And Answer for part B…

Q: Given that H,(g) + F,(g) –→ 2 HF(g) AHan = -546.6 kJ 2 H, (g) + 0,(g) – 2H,O(1) AHan = -571.6 kJ…

A: The change in energy or enthalpy during the reaction is given by enthalpy change.  If the enthalpy…

Q: When 120 mg of naphthalene, C10H8(s), was burned in a bomb calorimeter the temperature rose by 3.05…

A: In the bomb calorimeter,  The heat given off by combustion or any process is equal to the heat…

Q: 4. The table below shows the standard enthalpy of formation of carbon dioxide, water and…

A:

Q: 16. Given the following set of reaction data, C(s) +O2(g) → CO2(8) → 2CO2(8) AH = -393.5 kJ mol…

A: Given  C(s) + O2(g) --------> CO2(g).   ∆H  = -393.5 kJmol-1  2CO(g) + O2(g) -----> 2CO2(g) ∆H…

Q: A0.500 mole sample of CO(g) is combusted in a constant pressure calorimeter to CO2(g). The…

A: To calculate ∆H of reaction , we would use formula : ∆H = -q / n  Where , q = Heat of reaction ,…

Q: 7- Given the following data: AG --51 kJ 2H: (g) + C (s) → CHa (g) 2H2 (g) + O: (g) - 2H:0 (1) C (s)…

A: The difference among products' free energy and reactants' free energy signifies the Gibbs energy…

Q: Jsing the following data of heats of combustion in cal/g mole, calculate the ollowing: (a) (b) Heat…

A: (a) i) C6H6(l) + 15/2 O2(g) -> 6CO2(g) + 3H2O(l)   ΔH1= -780980 cal/gmol ii) C6H6(l) + 15/2 O2(g)…

Q: 2) Given the following data for graphite and diamond at 298K.                          S°(diamond)…

A:

Q: Consider the reaction A →B with AH° = 43.19 kJ/molxn and the reaction B → C with AH° = 81.98…

A: We know that according to Hess's law, the heat of reaction for a given reaction is the sum of the…

Q: Given that H, (g) + F, (g) –→ 2 HF(g) AHixn -546.6 kJ 2 H, (g) + O,(g) 2 H, O(1) AHixn -571.6 kJ…

A:

Q: When 0.515 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises…

A: Mass of biphenyl combusted = 0.515 g Molar mass of biphenyl = 154.21 g/mol  Therefore moles of…

Q: Calculate the total energy (kJ) required to heat a 17.5 g sample of benzene (C6H6) from 0.00 °C to…

A:

Q: presenti Tespi IS, C,H„0,(s) + 60,(g) → 6CO,(g) + 6H,O(g) 4,H=-2500 kJ mol" and is the exact reverse…

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

Q: Calculate the total energy (kJ) required to heat a 17.5 g sample of benzene (C6H6) from 0 °C to 97.2…

A: Mass of benzene, m = 17.5 g Specific heat capacity of solid benzene, Cs  = 1.51 J/g°C Temperature…

Q: Calculate the enthalpy change for the reaction C(s) + 2H2 (g)--->CH4(g) from the following data.…

A: # We have to use all the reaction and manipulate it in such a way that we get the desired equation .…

Q: Q2) Calculate the lower heating value (LHV) for I mole CO, (g) for the following reaction from the…

A: From the reactions we can calculate the heat of the reaction.

Q: 17. Given the following set of reaction data, (8)0 + (8)H 2B(s) +3H2 (g) – B2H6 (g) → H,O(1) AH =…

A: Hess’s law states that when chemical equations are combined algebraically, their enthalpies can be…

Q: How much energy, in units of J, is required to heat 67.5 g of solid acetone from -145.3°C to…

A: Heat is required when a substance is heating. It can be determined by following formula-  q = mc∆T…

Q: 10.A bomb calorimeter containing 900 g of water was calibrated by burning a sample of benzoic acid…

A: Calculate the number of moles of benzoic acid.

Q: I2(g) + Cl2(g) ⇌ 2 ICl(g) Calculate ΔGrxn in kJ at 25°C from the following ΔG°f values. ΔG°f (I2) =…

A: Given information: ΔG°f (I2) = 62.42 kJ/mol ΔG°f (Cl2) = 0 kJ/mol ΔG°f (ICl) = -5.52 kJ/mol We have…

Q: Calculate the standard enthalpy of formation of CaCN2. CaCO3 + 2 NH3 CaCN2 + 3 H20 AH° = + 90.1 KJ…

A: Calculate standard enthalpy of CaCN2 in the given above reaction ---

Q: 17. Given the following set of reaction data, H2 (g) +02(8) 2B(s) +3H2 (g) B,H, (g) 2B(s) +O2(8) –→…

A: Heat of the given reaction is calculated by using Hess law. According to Hess's law, the total heat…

Q: Consider the following reaction whose enthalpy change is AH = w s(s) + H,(g) > H,Sg) AH = W This…

A:

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…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.