For the reaction Na2CO3 (s) + 2HCIG) NaCls) + CO2 (9) + H2OM AH is -144.1 kJ. What is AU. O -141.62 -146.58 O +141.62 O +146.58

Q: 3.| N2(g) + 3CI2(g) → 2NCI3(1) AH°rxn = +460 kJ The reaction is _thermic, heat flows bonds between…

A:

Q: Trinitroglycerin, C3H5N3O9(mostly  referrred as nitroglycerin), has been widely used as an…

A: a.The explosive trinitroglycerin decomposes rapidly upon ignition or sudden impact according to the…

Q: C2H5OH + 3O2  → 2CO2 + 3H2O        ΔH⁰ = - 791.4kJ/mol How much heat will be released when 10.0g of…

A: Given that,ΔH⁰ = - 791.4 kJ/molOxygen present already is in excess, so don't do anything about…

Q: neutralization of 0.28M 18 mL sodium hydroxide with 0.5 mL nitric acid of 42% at the end of the…

A: The volume of nitric acid  = 0.5 mL The volume of NaOH = 18 mL = 0.018 L (since 1 ml=0.001L) The…

Q: - F2 (g) a below. IF3 (g) ΔΗ JE- (a) AH

A: IF5(g) ------> IF(g) + 2F2(g)  ∆H1 = +745 kJ

Q: The standard heat of formation of lead II nitrate corresponds to the reaction ... a) Pb(OH)2 (s) +…

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

Q: The sun supplies energy at a rate of about 1.0 kilowatt per square meter of surface area (1 watt = 1…

A: The fraction of light energy that is converted into chemical energy during the process of…

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

A: According to Hess's law  The enthalpy of a reaction is the same whether if it takes place in one…

Q: Determine the enthalpy change, AHrxm, for the following reaction using the information below.…

A:

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

A:

Q: The thermochemical equation for the reaction of nitrogen with fluorine to form nitrogen trifluoride…

A: The change of enthalpy of the reaction has to be given, Amount of nitrogen=2.417 g. The atomic…

Q: For the following combustion reaction of benzoic acid (HC7H5O2; molar mass = 122.1 g/mol)…

A: Mass of benzoic acid taken = 1.00 g Molar mass of benzoic acid = 122.1 g/mol Moles of benzoic acid…

Q: 3H2 (g) + N2 (g) → 2NH3 (g), AH of the reaction is -92.22 kJ. Find AH for the reaction below. 6NH3…

A: △H is termed as enthalpy change of a reaction. For exothermic reactions △H is negative. For…

Q: Given that O(g) + e¯ O(g) + 2e → O²-(g); AH = 702 - 0 (g); AH = -142 kJ; kJ; the enthalpy change for…

A:

Q: Consider the combustion of propane: С3Н: (9) + 50:(9) -> ЗСО2(9) + 4Н-0() ДН — —2221 kJ A balloon is…

A: Since the heat required = 1.5 X 108 J Assuming y grams of propane is com-busted hence moles of…

Q: 9. Given the following enthalpy of reactions: (1) C:H«(g) + /½ O:(g) → 2 CO:(g) + 3 H20(1); AH =…

A:

Q: If 106 kJ of heat are evolved when the reaction described below is carried out, the mass of HCI gas…

A: First we need to calculate the moles of HCl has produced in given amount of heat evolved .  Using…

Q: Nitromethane, CH3N02, can be used as a fuel. When the liquid is burned, the (unbalanced) reaction is…

A:

Q: I. CO (g) → C (s) + ½ O2 (g) AH= +110kJ II. CO (g) + ½ O2(g) CO2 (g) AH= -280kJ III. Fe2O3 (k) + 3CO…

A: Given Reactions- CO(g) → C(s) + 12O2(g)        ∆H= +110 kJ                              ----(1)CO(g)…

Q: When 3.50 g of CH3OCH3 is burned at constant Pressure, 110.6 kJ of heat is given off. What is AH for…

A:

Q: 22) Given the following reactions 2NO-N2+02 2NO+022NO2 the enthalpy of the reaction of nitrogen with…

A: In the given question, enthalpy of 2 reaction is given and we have to find the enthalpy of the third…

Q: 5. Reaction Enthalpy. balance and calculate AHxn for the following chemical equations. AH (kJ/mol):…

A: Note - Since the given question is a multiple question, hence I solved first question according to…

Q: Reaction 2: 20F2(g) 02(g) + 2 F2(g) AH = -49.4 kJ Reaction 3: N2(g) + 202(g)- 2NO2(g) AH = +66.4 kJ…

A: Given reaction 2, 2OF2(g) -----> O2(g) + 2F2(g)

Q: Fe O3(s) + 3CO(g) → 2Fe(s) + 3CO;g); AH® = -26.8 kJ %3D FeO(s) + CO(g) -Fe(s) + CO2(g); AH° = -16.5…

A: The given equations are Let us number the final equation to be number 3.

Q: 19. The combustion of hydrogen-oxygen mixtures is used to produce very high temperatures (approxi-…

A: Given,

Q: Calculate the DH0of the following reaction   N2H4 (s) + 2H2O2 (s)      --->       N2 (g) + 4 H2O…

A: Recall the given reactions as follows N2H4s + O2g→N2g + 2H2Os  .......(1)  ∆H°=-622.2 kJH2g +…

Q: N2(g) + O2(g) 2 NO(g)   H = +180.7 kJ 2 H2O(l) 2 H2(g) + O2(g)   H = +571.7 kJ 4 NH3(g) + 5 O2(g)…

A: given,  reaction 1: N2(g) + O2(g)⇔ 2 NO(g)       H= +180.7 kJ reaction 2: 2 H2O(l) ⇔ 2 H2(g) + O2(g)…

Q: How much heat is released at constant pressure if 12.3 mL of 0.161 M silver nitrate is mixed with…

A: Given,  AgNO3(aq) + KCl(aq)  ➝ AgCl(s) + KNO3(aq) ∆H° = -65.5 kJ Here (-) sign indicate the release…

Q: If AH for the reaction 2 HgO → 2 Hg (1) + O2 (g) is 181.66 kJ, (s) then AH for the reaction Hg (1) +…

A: given : 2 H2O(s) → 2H2 (l) + O2(g) ∆H = 181.66 KJ To find : Entharpy of the reation of H2(l) + ½…

Q: What is the standard 2C5H10(1) + 1502(g

A: Change of enthalpy during the formation of 1 mole of the substance from its constituent elements…

Q: Given the following equation, C3HS(g) + 5 O2(8)→3 CO2(g) + 4 H2O(g) AG pan-2074 k] Calculate AGpn…

A: ∆Grxno for a chemical reaction have same value with it's reverse reaction but having opposite sign…

Q: How much heat will be given off when 18.5 g of C,H, is bumed in oxygen to form CO2ig) and H,0? For…

A: Moles of C2H4 = Mass/Molar mass = 18.5g/(28.05g/mol) = 0.659 moles

Q: Given the reaction 2 CO CO2(g) What is AHO of this reaction? AHO CO (g) = -111 kJ/mol AHO 2H₂ (g) =…

A:

Q: [Reference The overall reaction in a commercial heat pack can be represented as 4 Fe(s) +302(g) → 2…

A: The overall reaction in a commercial heat pack is: 4Fe(s)+3O2(g)→2Fe2O3(s)    , ∆H=-1652 kJ From the…