need an explanation for each why it is and isn't correct thank you
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need an explanation for each why it is and isn't
correct thank you
Consider the following...
Put it together: Acetylene, C2H2, is a gas commonly used in welding. It is formed in...
Put it together: Acetylene, C2H2, is a gas commonly used in welding. It is formed in the reaction of CaC2, with water. Given the thermochemical equations below, calculate the value of AH for acetylene. NOTE: This doesn't give you the equation you are shooting for -you must come up with that on your own. Notice the word formation. 2.30 J CaO(s)+H20 Ca(OH)26s) AH°=-65.3 kJ/mole AH°=+462.3 kJ/mole CaO()+3 Cs)CaC2(s)+COe) AHO+178 kJ/mole CACO 3()CaO) +CO2(e CaC2(0)+2H2Om) Ca(OH)2)C2H2 AH-126 kJ/mole AHO-220 kJ/mole 2C19)...
#9-12 A simple step by step process for all please Thank you! a) -2.81 x 103...
#9-12
A simple step by step process for all please
Thank you!
a) -2.81 x 103 kJ b) -25.8 k c15.6 k d) -42.6 k e) 25.8 k Given the thermochemical equation calculate AHo for the following reaction: 9. 2NOg) + 028) 2NO2g) 솨1°=-114.0 kJ NOg) NO(g) 1/2 02(g) a) +114.0 k b) +57.0 k c) -114 kJ d) -57.0k) e) +128 k] 10. The standard enthalpy change for the following reaction is -72.8 kJ. What is the standard enthalpy...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49 x 109 kJ of solar energy is consumed by the following reaction: 6 H20 (1) + 6 CO2 (g) - C&H 20(s) + 6 02 (g) ; AH-2803 kJ 2. Given the following thermochemical equation, what amount of energy is absorbed/given off when 255 g of CuO is reacted. 2 Cu20 (s) - 4 Cu (s) + O2(g) : AH = 333.8 kJ 3....
d) Based on the following chemical equation, answer the following questions. H2S (g) + O2(g) 28...
d) Based on the following chemical equation, answer the following questions. H2S (g) + O2(g) 28 (g) + 2H20 (g) What happens to i) [H20] if O2 is added. ii) [H2S] if sulfur is added. (2 marks) e) Explain if the volume of the reaction vessel should be increased or decreased to increase the yields of the products. (i) CaCO3 (5) - - CaO(s) + CO2 (g) (ii) S(s) + 3F2 (g) SF6 (g) (2 marks) 1) Specify how and...
81. Given the following data Ca(s) + 2C(graphite) → CaC2(s) AH-62.8 kJ Ca(s) + cao(s) +...
81. Given the following data Ca(s) + 2C(graphite) → CaC2(s) AH-62.8 kJ Ca(s) + cao(s) + H2O(l)-→ Ca(OH)2(aq) C2H2(g) +022CO2(8)+ H200) 2(g)-→ CaO(s) ΔH =-635.5 kJ ΔH =-653.1 kJ C(graphite) + 02(g)-→ CO2(g) ΔH =-393.5 kJ calculate ΔH for the reaction CaC2(s) + 2H20() → Ca(OH)2(aq) + C2H2(g)
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes...
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes used for H2S production: =Sg(s) + H2(g) → H2S() AH rxn = -20.2 kJ his an exothermic or endothermic reaction? endothermic exothermic (b) What is AH rxn for the reverse reaction? KJ (c) What is AH when 3.10 mol of Sg reacts? kJ
Give an explanation for the answers pls. Thank you 1. Consider the following molecules. Which of...
Give an explanation for the answers pls.
Thank you
1. Consider the following molecules. Which of the following statements is correct? Br Br olm... 01111111 СІ CI Br IV I and II are enantimers I and III are diastereomers II and IV are enantiomers I and IV are the same 1. Select the correct type for the following reaction. PCC OH addition oxidation substitution none of the above
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes...
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes used for H,S production: (BH-H+ (a) Is this an exothermic or endothermic reaction? AH--20.2kJ endothermic exothermic (b) What is AH for the reverse reaction? kJ (c) What is AH when 4.30 mol of Ss reacts? kJ draw HIR < Prey 10 of 16 Ne: hp
A. Select the correct reaction when H2PO4- (a Bronsted-Lowry acid) reacts with water. 1. H2PO4- + OH- ⇄ H2O + HPO42-...
A. Select the correct reaction when H2PO4- (a Bronsted-Lowry acid) reacts with water. 1. H2PO4- + OH- ⇄ H2O + HPO42- 2. H2PO4- + H2O ⇄ H3O+ + HPO42- 3. H2PO4- + H2O ⇄ OH- + PO43- 4. H2PO4- + H2O ⇄ O2- + H4PO4+ B. Given the following reaction at equilibrium CaO(s) + CO2(g) ⇌ CaCO3(s) select all of the answers that apply. 1. To restore equilibrium, the reaction shifts to the right (products) side when the total pressure of the system is increased. 2. To restore equilibrium, the reaction shifts to the left (reactants) side when the total pressure...
please help me undersatnd how to solve the following two probekms below, thank you: What's change...
please help me undersatnd how to solve the following two probekms
below, thank you:
What's change in enthalpy at 25 degrees Celsius and 1 atm for the production of 1. 0.345 mol of iron (III) oxide? 4Fe(s)+302(g)-> 2F€2O3(s); AH= -1651 kJ A)-570. kJ B)-285 kJ C)-1140 D)285 kJ E)570. kJ 2) Given the thermochemical equation 2A1203(s) 4Al(s)+302(g); AH = 3352kJ find AHH for the following reaction. 8Al(s)602(g)-»4A1203(s) a) 838 kJ b)1676 kJ c)-6704 kJ d)1676 kJ e) 6704 kJ
Put it together: Acetylene, C2H2, is a gas commonly used in welding. It is formed in the reaction of CaC2, with water. Given the thermochemical equations below, calculate the value of AH for acetylene. NOTE: This doesn't give you the equation you are shooting for -you must come up with that on your own. Notice the word formation. 2.30 J CaO(s)+H20 Ca(OH)26s) AH°=-65.3 kJ/mole AH°=+462.3 kJ/mole CaO()+3 Cs)CaC2(s)+COe) AHO+178 kJ/mole CACO 3()CaO) +CO2(e CaC2(0)+2H2Om) Ca(OH)2)C2H2 AH-126 kJ/mole AHO-220 kJ/mole 2C19)...
#9-12
A simple step by step process for all please
Thank you!
a) -2.81 x 103 kJ b) -25.8 k c15.6 k d) -42.6 k e) 25.8 k Given the thermochemical equation calculate AHo for the following reaction: 9. 2NOg) + 028) 2NO2g) 솨1°=-114.0 kJ NOg) NO(g) 1/2 02(g) a) +114.0 k b) +57.0 k c) -114 kJ d) -57.0k) e) +128 k] 10. The standard enthalpy change for the following reaction is -72.8 kJ. What is the standard enthalpy...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49 x 109 kJ of solar energy is consumed by the following reaction: 6 H20 (1) + 6 CO2 (g) - C&H 20(s) + 6 02 (g) ; AH-2803 kJ 2. Given the following thermochemical equation, what amount of energy is absorbed/given off when 255 g of CuO is reacted. 2 Cu20 (s) - 4 Cu (s) + O2(g) : AH = 333.8 kJ 3....
d) Based on the following chemical equation, answer the following questions. H2S (g) + O2(g) 28 (g) + 2H20 (g) What happens to i) [H20] if O2 is added. ii) [H2S] if sulfur is added. (2 marks) e) Explain if the volume of the reaction vessel should be increased or decreased to increase the yields of the products. (i) CaCO3 (5) - - CaO(s) + CO2 (g) (ii) S(s) + 3F2 (g) SF6 (g) (2 marks) 1) Specify how and...
81. Given the following data Ca(s) + 2C(graphite) → CaC2(s) AH-62.8 kJ Ca(s) + cao(s) + H2O(l)-→ Ca(OH)2(aq) C2H2(g) +022CO2(8)+ H200) 2(g)-→ CaO(s) ΔH =-635.5 kJ ΔH =-653.1 kJ C(graphite) + 02(g)-→ CO2(g) ΔH =-393.5 kJ calculate ΔH for the reaction CaC2(s) + 2H20() → Ca(OH)2(aq) + C2H2(g)
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes used for H2S production: =Sg(s) + H2(g) → H2S() AH rxn = -20.2 kJ his an exothermic or endothermic reaction? endothermic exothermic (b) What is AH rxn for the reverse reaction? KJ (c) What is AH when 3.10 mol of Sg reacts? kJ
Give an explanation for the answers pls.
Thank you
1. Consider the following molecules. Which of the following statements is correct? Br Br olm... 01111111 СІ CI Br IV I and II are enantimers I and III are diastereomers II and IV are enantiomers I and IV are the same 1. Select the correct type for the following reaction. PCC OH addition oxidation substitution none of the above
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes used for H,S production: (BH-H+ (a) Is this an exothermic or endothermic reaction? AH--20.2kJ endothermic exothermic (b) What is AH for the reverse reaction? kJ (c) What is AH when 4.30 mol of Ss reacts? kJ draw HIR < Prey 10 of 16 Ne: hp
please help me undersatnd how to solve the following two probekms
below, thank you:
What's change in enthalpy at 25 degrees Celsius and 1 atm for the production of 1. 0.345 mol of iron (III) oxide? 4Fe(s)+302(g)-> 2F€2O3(s); AH= -1651 kJ A)-570. kJ B)-285 kJ C)-1140 D)285 kJ E)570. kJ 2) Given the thermochemical equation 2A1203(s) 4Al(s)+302(g); AH = 3352kJ find AHH for the following reaction. 8Al(s)602(g)-»4A1203(s) a) 838 kJ b)1676 kJ c)-6704 kJ d)1676 kJ e) 6704 kJ
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