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37. (5 pts) Use the data given below to calculate the electron affinity of Br. K(5)...
37. (5 pts) Use the data given below to calculate the electron affinity of Br. AH(J)...
37. (5 pts) Use the data given below to calculate the electron affinity of Br. AH(J) K(s) K(g) K(g) K'(g)+e Br()2 Brg) +89 +419 +193 K()+Br) KBrs) KBr(s)K'(g)+ Br(g) -394 +674 38. (5 pts) Calculate the wavelength of light associated with the transition from n-2 to n-3 in the hydrogen atom. 39. (2 pts) In the preceding question, would light be absorbed or emitted by the atom? 7
2 to n=3 in the hydrogen 38. (5 pts) Calculate the wavelength of light associated with the transition from n atom....
2 to n=3 in the hydrogen 38. (5 pts) Calculate the wavelength of light associated with the transition from n atom. 39. (2 pts) In the preceding question, would light be absorbed or emitted by the atom?
Student Class Number CHEMISTRY 1211 Chapter 9 Quiz DUE DATE: Thursday, 04/12 (BEFORE CLASS) Name (Last)...
Student Class Number CHEMISTRY 1211 Chapter 9 Quiz DUE DATE: Thursday, 04/12 (BEFORE CLASS) Name (Last) (First) Section 72 (11:00-12:15 pm) Place answers in Answer Blank 1. Place the following in order of decreasing magnitude of lattice energy. (EXPLAIN K20 Rb2S Li20 A) Li2o K20 > Rb2:s B) Li20> Rb2S> K20 C) Rb2s > K20 > Li20 D) Rb2s > Li2o> K20 E) K20> Li20 >Rb2s Answer: Use the data given below to construct a Born-Haber cycle to determine the...
Recitation Exercise 9 CHEM 1411 Name Partners Instructor Day of Week 1. Given the equations: N2(g) + O2(g) → 2NO(g)...
Recitation Exercise 9 CHEM 1411 Name Partners Instructor Day of Week 1. Given the equations: N2(g) + O2(g) → 2NO(g) AH = +180.7 kJ 2NO(g) + O2(g) → 2NO2(g) AH =-113.1 kJ 2N20(g) → 2N2(g) + O2(g) AH = -163.2 kJ Calculate the change in enthalpy for the reaction: N2O(g) + NO2(g) → NO(g) 2. An electron in a carbon atom makes a transition from n=2 to n=3. a) Does this transition require energy or emit energy? b) Can you...
Consider an electron transition from n 5 to n =3 of a hydrogen atom. 5. Use...
Consider an electron transition from n 5 to n =3 of a hydrogen atom. 5. Use Bohr's H model to calculate the energy required to for this electron transition. Will the hydrogen atom absorb or emit energy during this transition? a) What wavelength of light will the hydrogen atom absorb or emit in this electron transition? b) A rifle bullet (mass-4.20 g) has a velocity of 2160 mph. What is the wavelength associated with this bullet? (1 km 0.62137 mil)...
Exam Hydrogen peroxide, H202, is a colorless liquid whose solutions are used as bleach and an...
Exam Hydrogen peroxide, H202, is a colorless liquid whose solutions are used as bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is H2(g) + O2(g) -H02(1 Calculate the enthalpy change using the following data: H2O2(1) - H20(1) +502 (8); AH = -98.0 kJ (1) 2H2(g) + O2(g) → 2H20(1): AH = -571.6 kJ (2) 5. What is the wavelength, in nanometer, of light emitted when the electron in a hydrogen atom undergoes a transition...
3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at...
3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at 25° C for the reaction: 2 CO (g) + 2 CI, (g) → 2 COCI, (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- favored? Compound He kJ/mol S. J/mol.K CO (g) -110.52 197.67 Cl2 (g) 223.07 COCI, (g) -218.8 283.53 4. Classify each of...
Use the data given below to calculate All for this reaction: 26(1) + H₂O → H₂O...
Use the data given below to calculate All for this reaction: 26(1) + H₂O → H₂O CHOW + 30W CB) + O29 Hz( + 0.26 2C02W + H2O(D 00 H2O(1) AH' = –1300. KJ AH' = -394 kJ - AH' = -286 kJ 5. Use the data given below to calculate AH for this reaction: NOW + Oo + NO AH = -286 kJ 203 03 NO() + Os® - - 30. 20@ NO2(C) + 02@ AH' = +495 kJ...
2. (5 Pts) Use the table of bond ehthalpies found in your textbook to calculate AH for the follow...
2. (5 Pts) Use the table of bond ehthalpies found in your textbook to calculate AH for the following reaction: (You must balance the equation and show the bonding structures and calculations to receive credit.) H200) CO2(g)+ 3. (4 Pts) Draw all the resonance structures that follow the octet rule for SO? and show the formal charges on each atom.
2. (5 Pts) Use the table of bond ehthalpies found in your textbook to calculate AH for the following reaction:...
QUESTION 9 Calculate the wavelength of light emitted by the electron that transition from energy level...
QUESTION 9 Calculate the wavelength of light emitted by the electron that transition from energy level (n = 5) to energy level (n = 1). 201 nm 65.5 nm 95.1 nm 195 nm 4 pol QUESTION 10 Which of the following combinations of quantum numbers is allowed ? On-3,1-0, mi - 0 On-3,1 1, mi-2 n-3,1-4, mi-1 On-3,1-3, mi - 1 4 points QUESTION 11 What is the maximum number of electrons in an atom whose highest energy electrons have...
37. (5 pts) Use the data given below to calculate the electron affinity of Br. AH(J) K(s) K(g) K(g) K'(g)+e Br()2 Brg) +89 +419 +193 K()+Br) KBrs) KBr(s)K'(g)+ Br(g) -394 +674 38. (5 pts) Calculate the wavelength of light associated with the transition from n-2 to n-3 in the hydrogen atom. 39. (2 pts) In the preceding question, would light be absorbed or emitted by the atom? 7
2 to n=3 in the hydrogen 38. (5 pts) Calculate the wavelength of light associated with the transition from n atom. 39. (2 pts) In the preceding question, would light be absorbed or emitted by the atom?
Student Class Number CHEMISTRY 1211 Chapter 9 Quiz DUE DATE: Thursday, 04/12 (BEFORE CLASS) Name (Last) (First) Section 72 (11:00-12:15 pm) Place answers in Answer Blank 1. Place the following in order of decreasing magnitude of lattice energy. (EXPLAIN K20 Rb2S Li20 A) Li2o K20 > Rb2:s B) Li20> Rb2S> K20 C) Rb2s > K20 > Li20 D) Rb2s > Li2o> K20 E) K20> Li20 >Rb2s Answer: Use the data given below to construct a Born-Haber cycle to determine the...
Recitation Exercise 9 CHEM 1411 Name Partners Instructor Day of Week 1. Given the equations: N2(g) + O2(g) → 2NO(g) AH = +180.7 kJ 2NO(g) + O2(g) → 2NO2(g) AH =-113.1 kJ 2N20(g) → 2N2(g) + O2(g) AH = -163.2 kJ Calculate the change in enthalpy for the reaction: N2O(g) + NO2(g) → NO(g) 2. An electron in a carbon atom makes a transition from n=2 to n=3. a) Does this transition require energy or emit energy? b) Can you...
Consider an electron transition from n 5 to n =3 of a hydrogen atom. 5. Use Bohr's H model to calculate the energy required to for this electron transition. Will the hydrogen atom absorb or emit energy during this transition? a) What wavelength of light will the hydrogen atom absorb or emit in this electron transition? b) A rifle bullet (mass-4.20 g) has a velocity of 2160 mph. What is the wavelength associated with this bullet? (1 km 0.62137 mil)...
Exam Hydrogen peroxide, H202, is a colorless liquid whose solutions are used as bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is H2(g) + O2(g) -H02(1 Calculate the enthalpy change using the following data: H2O2(1) - H20(1) +502 (8); AH = -98.0 kJ (1) 2H2(g) + O2(g) → 2H20(1): AH = -571.6 kJ (2) 5. What is the wavelength, in nanometer, of light emitted when the electron in a hydrogen atom undergoes a transition...
3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at 25° C for the reaction: 2 CO (g) + 2 CI, (g) → 2 COCI, (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- favored? Compound He kJ/mol S. J/mol.K CO (g) -110.52 197.67 Cl2 (g) 223.07 COCI, (g) -218.8 283.53 4. Classify each of...
Use the data given below to calculate All for this reaction: 26(1) + H₂O → H₂O CHOW + 30W CB) + O29 Hz( + 0.26 2C02W + H2O(D 00 H2O(1) AH' = –1300. KJ AH' = -394 kJ - AH' = -286 kJ 5. Use the data given below to calculate AH for this reaction: NOW + Oo + NO AH = -286 kJ 203 03 NO() + Os® - - 30. 20@ NO2(C) + 02@ AH' = +495 kJ...
2. (5 Pts) Use the table of bond ehthalpies found in your textbook to calculate AH for the following reaction: (You must balance the equation and show the bonding structures and calculations to receive credit.) H200) CO2(g)+ 3. (4 Pts) Draw all the resonance structures that follow the octet rule for SO? and show the formal charges on each atom.
2. (5 Pts) Use the table of bond ehthalpies found in your textbook to calculate AH for the following reaction:...
QUESTION 9 Calculate the wavelength of light emitted by the electron that transition from energy level (n = 5) to energy level (n = 1). 201 nm 65.5 nm 95.1 nm 195 nm 4 pol QUESTION 10 Which of the following combinations of quantum numbers is allowed ? On-3,1-0, mi - 0 On-3,1 1, mi-2 n-3,1-4, mi-1 On-3,1-3, mi - 1 4 points QUESTION 11 What is the maximum number of electrons in an atom whose highest energy electrons have...
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