Please help with each
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Please help with each
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Problem 2. Determine the heat of reaction at 25°C for the...
Determine whether each reaction indicates an endothermic or an exothermic reaction Drag the appropriate items to...
Determine whether each reaction indicates an endothermic or an exothermic reaction Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help S02()+ O2(E)SO(8) AB(1)–A(g) +B(I) C(s) + H2O(g) +CO() + H EN,H (1) + 2N,0.(8) N20(g) 21 energy of reactants = –242 ) molenergy of reactants = +60kJ/ energy of products = - 111 k molnergy of products = - 320 kJ Exothermic Endothermic
Determine whether each reaction indicates an endothermic or an exothermic reaction. Drag the appropriate items to...
Determine whether each reaction indicates an endothermic or an exothermic reaction. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help AB(1)-A() +B(1) 4NH3(g) +502(g) 4NO(g) + 6H2(gC(s) + H2O(g)-CO() +H,($) energy of reactants = - 184 k1ergy of reactants = -242 kJC(s) + energy of products = - 1086 k malergy of products = - 111 kJ/mot 0,() +CO(g) Exothermic Endothermic
Given the following heat of formation values, calculate the heat of reaction for the following: C3H8(g)...
Given the following heat of formation values, calculate the heat of reaction for the following: C3H8(g) + O2(g) CO2(g) + H2O(1). AfH values in kJ/mol: C3H8(g): -103.8, O2(g): 0, CO2(g): -393.5, H2O(l): -285.8. 3.613 x 102 kJ/mol -2.220 103 kJ/mol 1.413* 102 kJ/mol -5.755 x 102 kJ/mol If a lighter contains 4.0 mL of liquid butane (density of butane = 0.8 g/cm3), how much heat can we get out of it, from the combustion of butane? 2 C4H 10(g) +...
For each reaction write a balanced chemical equation and then below the chemical formula of each...
For each reaction write a balanced chemical equation and then below the chemical formula of each reactant and product write a brief description of the substance (color and cal state). Also, indicate whether the reaction is exothermic, endothermic, or cannot tell. 3. Single Replacement Reaction Equation: Cu + 2AgNO3 + 2Ag + Cu(NO3)2 Cannot tell Exothermic Endothermic Evidence of Chemical Change: 4. Double Displacement Reaction-Milk from water: Equation: CaCl2 + Na2CO3 → CaCO3 + 2NaCi Endothermic Cannot tell Exothermic Evidence...
Someone please help solving this asap thanks! 1. Calculate AE and determine whether the process is...
Someone please help solving this asap thanks!
1. Calculate AE and determine whether the process is exothermic or endothermic for the following cases: L. When a chemical reaction produces 90.7 kJ of heat but does no work on its surroundings. il. When combustion of a gas releases 2100U of heat to its surroundings. ii. When 33.05 kd of heat is transferred to the system and 22.0 kJ of work on the surroundings. Iv. When 121 kJ of work is performed...
state whether the following reactions are exothermic or endothermic: TOH2 +502 + N2 + 2 +...
state whether the following reactions are exothermic or
endothermic:
TOH2 +502 + N2 + 2 + 2H2 - AW03 - TUPU H UL 2. State whether each of the following reactions are exothermic or endothermic: a. NaOH(s) Na (aq) + OH (aq) 10H2 +602 + 2H2 10H2O + Z H2O 12H2 + 602 e 12 H₂ + 120 12H₂ + 120 + 12H2+120 b. NaOH(s) + H'(aq) + CI+ (aq) → H2O(1) + Na" (aq) + ciaq) c. Na" (aq)...
Many chemical reactions release energy, while others require energy to happen. These energy changes that occur...
Many chemical reactions release energy, while others require energy to happen. These energy changes that occur during chemical reactions are due to changes in bonding between the reactant molecules and product molecules. Breaking bonds between atoms always requires energy, while creating bonds between atoms always releases energy. Analyze each of the two chemical reactions below by calculating the total amount of energy needed to break the bonds in the reactants, the total amount of energy released upon bond formation in...
consider a nypothetical chemical reaction: A+B +C+D (In this equation A, B, C and D stand...
consider a nypothetical chemical reaction: A+B +C+D (In this equation A, B, C and D stand for some unknown chemical formulas.) Here is an energy diagram for the reaction: 400+ A + B 300+ energy (kJ/mol) 200+ C +D reaction coordinate Use the energy diagram to answer these questions. What is the heat of reaction? kJ/mol Exothermic Is the reaction exothermic or endothermic? Endothermic Can you determine the activation energy? ONeither Yes, it's kJ/mol O No. Yes, it's ] kJ/mol...
Consider the reaction between CO and O2 (carbon monoxide post combustion) described by the elementary reactions...
Consider the reaction between CO and O2 (carbon monoxide post combustion) described by the elementary reactions below. The temperature of the reacting system is 1500 K. The initial concentrations are shown below. Plot the concentration of each species as a function of time. Species: species CO CO2 initial concentration 1000 ppm 0 3% 0 remainder 5 There are four species. Elementary reactions: 1. CO + O2 + CO2 + 0 2. O2 + M +0+0+M k1 = 3.1 X 10^exp(-37.6/RT)...
Consider the combustion chamber boundary (C), using natural gas and air entering and an exhaust g...
Consider the combustion chamber boundary (C), using natural gas and air entering and an exhaust gas leaving. Which of the following balances can be applied to this system boundary, giving a reason for each answer? 7. [10 marks] A. Sum of all masses in sum of all masses out B. Sum of all moles in sum of all moles out C. Total moles of each species in total moles of each species out Total mass of each species in total...
Determine whether each reaction indicates an endothermic or an exothermic reaction Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help S02()+ O2(E)SO(8) AB(1)–A(g) +B(I) C(s) + H2O(g) +CO() + H EN,H (1) + 2N,0.(8) N20(g) 21 energy of reactants = –242 ) molenergy of reactants = +60kJ/ energy of products = - 111 k molnergy of products = - 320 kJ Exothermic Endothermic
Determine whether each reaction indicates an endothermic or an exothermic reaction. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help AB(1)-A() +B(1) 4NH3(g) +502(g) 4NO(g) + 6H2(gC(s) + H2O(g)-CO() +H,($) energy of reactants = - 184 k1ergy of reactants = -242 kJC(s) + energy of products = - 1086 k malergy of products = - 111 kJ/mot 0,() +CO(g) Exothermic Endothermic
Given the following heat of formation values, calculate the heat of reaction for the following: C3H8(g) + O2(g) CO2(g) + H2O(1). AfH values in kJ/mol: C3H8(g): -103.8, O2(g): 0, CO2(g): -393.5, H2O(l): -285.8. 3.613 x 102 kJ/mol -2.220 103 kJ/mol 1.413* 102 kJ/mol -5.755 x 102 kJ/mol If a lighter contains 4.0 mL of liquid butane (density of butane = 0.8 g/cm3), how much heat can we get out of it, from the combustion of butane? 2 C4H 10(g) +...
For each reaction write a balanced chemical equation and then below the chemical formula of each reactant and product write a brief description of the substance (color and cal state). Also, indicate whether the reaction is exothermic, endothermic, or cannot tell. 3. Single Replacement Reaction Equation: Cu + 2AgNO3 + 2Ag + Cu(NO3)2 Cannot tell Exothermic Endothermic Evidence of Chemical Change: 4. Double Displacement Reaction-Milk from water: Equation: CaCl2 + Na2CO3 → CaCO3 + 2NaCi Endothermic Cannot tell Exothermic Evidence...
Someone please help solving this asap thanks!
1. Calculate AE and determine whether the process is exothermic or endothermic for the following cases: L. When a chemical reaction produces 90.7 kJ of heat but does no work on its surroundings. il. When combustion of a gas releases 2100U of heat to its surroundings. ii. When 33.05 kd of heat is transferred to the system and 22.0 kJ of work on the surroundings. Iv. When 121 kJ of work is performed...
state whether the following reactions are exothermic or
endothermic:
TOH2 +502 + N2 + 2 + 2H2 - AW03 - TUPU H UL 2. State whether each of the following reactions are exothermic or endothermic: a. NaOH(s) Na (aq) + OH (aq) 10H2 +602 + 2H2 10H2O + Z H2O 12H2 + 602 e 12 H₂ + 120 12H₂ + 120 + 12H2+120 b. NaOH(s) + H'(aq) + CI+ (aq) → H2O(1) + Na" (aq) + ciaq) c. Na" (aq)...
consider a nypothetical chemical reaction: A+B +C+D (In this equation A, B, C and D stand for some unknown chemical formulas.) Here is an energy diagram for the reaction: 400+ A + B 300+ energy (kJ/mol) 200+ C +D reaction coordinate Use the energy diagram to answer these questions. What is the heat of reaction? kJ/mol Exothermic Is the reaction exothermic or endothermic? Endothermic Can you determine the activation energy? ONeither Yes, it's kJ/mol O No. Yes, it's ] kJ/mol...
Consider the reaction between CO and O2 (carbon monoxide post combustion) described by the elementary reactions below. The temperature of the reacting system is 1500 K. The initial concentrations are shown below. Plot the concentration of each species as a function of time. Species: species CO CO2 initial concentration 1000 ppm 0 3% 0 remainder 5 There are four species. Elementary reactions: 1. CO + O2 + CO2 + 0 2. O2 + M +0+0+M k1 = 3.1 X 10^exp(-37.6/RT)...
Consider the combustion chamber boundary (C), using natural gas and air entering and an exhaust gas leaving. Which of the following balances can be applied to this system boundary, giving a reason for each answer? 7. [10 marks] A. Sum of all masses in sum of all masses out B. Sum of all moles in sum of all moles out C. Total moles of each species in total moles of each species out Total mass of each species in total...
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