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l Review Constants | Periodic Table Assume that a FRET donor-acceptor pair is composed of the...
L Review Constants | Periodic Table Assume that a FRET donor-acceptor pair is composed of the flu...
l Review Constants | Periodic Table Assume that a FRET donor-acceptor pair is composed of the fluorescent dyes Alexa Fluor 488 (excited-state lifetime of 4.1 ns) and Alexa Fluor 594. For this FRET pair Ro 5.4 nm The distance between the FRET pair ranges from 2.0 nm to 12.5 nm for the biomolecule of interest. Calculate the energy-transfer rate for r = 1.0 nm Express your answer in reciprocal seconds to two significant figures. kret - Submit Calculate the energy-transfer...
Constants Periodic Table 675 nm illuminates a pair Part A Laser light with a wavelength of...
Constants Periodic Table 675 nm illuminates a pair Part A Laser light with a wavelength of slits at normal incidence. What slit separation will produce first-order maxima at angles of ± 25° from the incident direction? Express your answer using two significant figures Submit uest Ans Provide Feedback
With Feedback Part A infrared radiation (1530 nm ) M Review | Constants | Periodic Table...
With Feedback Part A infrared radiation (1530 nm ) M Review | Constants | Periodic Table Detemine the energy of 1 90 mol of photons for each of the following kinds of ight Aoume theee significant figures) Express your answer using three significant figures. Πa ΑΣΦ You may want to reflerence (Pages 299-308) Section 7 2 while completing this problem kJ E Previous Answers Request Answer Submit Incorrect; Try Again; 2 attempts remaining Part B visible Eight (480 nm) Express...
Vibration and Rotation Exercise 4 Part E ReviewI Constants Periodic Table Assume that for H5Cl mo...
Vibration and Rotation Exercise 4 Part E ReviewI Constants Periodic Table Assume that for H5Cl molecule the rotational quantum number J is 9 and vibrational quantum number n0. The isotopic mass of H atom is 1.0078 amu and the isotopic mass of 35CI atom is 34.9688 amu, k 516 N m-1, and Ze = 127.5 pm. Calculate the period for vibration. Express your answer in seconds to three significant figures. Tvibrastional Submit tAn ▼ Part F Calculate the period for...
Review Constants 1 Periodic Table A 72 -kg person is accidentally exposed for 234 s to...
Review Constants 1 Periodic Table A 72 -kg person is accidentally exposed for 234 s to a 17 –mCi source of beta radiation coming from a sample of Sr. Part A What is the activity of the radiation source in disintegrations per second? Express your answer using two significant figures. IVO A O ? disintegrations per second Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the activity of the radiation source in...
Review Constants Periodic Table Part A The rearrangement of methyl isonitrile (CH3NC) to acetonitrile (CH CN) is a firs...
Review Constants Periodic Table Part A The rearrangement of methyl isonitrile (CH3NC) to acetonitrile (CH CN) is a first-order reaction and has a rate constant of 5.11x105 s at 472 K Assume the initial concentration of CHs NC to be 3.80x10-2 M What is the half-life (in hours) of this reaction? hours to three significant figures. Express the time t1/23,77 hr You may want to reference (Pages 510 513) Section 13.6 while completing this problem. Submit Previous Answers Correct Since...
A Review | Constants | Periodic Table The value of Ksp for Mg3 (AsO4)2 is 2.1...
A Review | Constants | Periodic Table The value of Ksp for Mg3 (AsO4)2 is 2.1 x 10-20. The AsOX-ion is derived from the weak acid H3 AsO4 (pKal = 2.22; pKa2 = 6.98; pKa3 = 11.50). Part A Calculate the molar solubility of Mg3 (AsO4), in water. Express your answer to two significant figures and include the appropriate units. O HÅ* o a? Value Units M8(4804), Submit Request Answer Part B Calculate the pH of a saturated solution of...
Item 29 29 of 32 Review | Constants Periodic Table Calculate the change in Gibbs free energy for each of the...
Item 29 29 of 32 Review | Constants Periodic Table Calculate the change in Gibbs free energy for each of the sets of AH AS and T given in the following problems. Submit Request Answer Predict whether or not the reaction in part will be spontaneous at the temperature indicated. (Assume that all reactants and products are in their standard States.) spontaneous nonspontaneous Submit Part H Predict whether or not the reaction in part and products are in their standard...
Review Constants Periodic Table Chemical energy is released or absorbed from reactions in various forms. The...
Review Constants Periodic Table Chemical energy is released or absorbed from reactions in various forms. The most easily measurable form of energy comes in the form of heat, or enthalpy. The enthalpy of a reaction can be calculated from the heats of formation of the substances involved in the reaction: Part A Calculate the standard enthalpy change for the reaction AH;xn = npAH (products) - RAH; (reactants) 2A+B=2C+ 2D where r represents the stoichiometric coefficients. Use the following data: AH...
Review Constants Periodic Table Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g o...
Review Constants Periodic Table Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 °C to 32.33°C. You may want to reference (Pages 265-266) Section 6.5 while completing this problem. Part A Find A Erxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11 kJ/°C. Express the change in energy in kilojoules per mole to three...
l Review Constants | Periodic Table Assume that a FRET donor-acceptor pair is composed of the fluorescent dyes Alexa Fluor 488 (excited-state lifetime of 4.1 ns) and Alexa Fluor 594. For this FRET pair Ro 5.4 nm The distance between the FRET pair ranges from 2.0 nm to 12.5 nm for the biomolecule of interest. Calculate the energy-transfer rate for r = 1.0 nm Express your answer in reciprocal seconds to two significant figures. kret - Submit Calculate the energy-transfer...
Constants Periodic Table 675 nm illuminates a pair Part A Laser light with a wavelength of slits at normal incidence. What slit separation will produce first-order maxima at angles of ± 25° from the incident direction? Express your answer using two significant figures Submit uest Ans Provide Feedback
With Feedback Part A infrared radiation (1530 nm ) M Review | Constants | Periodic Table Detemine the energy of 1 90 mol of photons for each of the following kinds of ight Aoume theee significant figures) Express your answer using three significant figures. Πa ΑΣΦ You may want to reflerence (Pages 299-308) Section 7 2 while completing this problem kJ E Previous Answers Request Answer Submit Incorrect; Try Again; 2 attempts remaining Part B visible Eight (480 nm) Express...
Vibration and Rotation Exercise 4 Part E ReviewI Constants Periodic Table Assume that for H5Cl molecule the rotational quantum number J is 9 and vibrational quantum number n0. The isotopic mass of H atom is 1.0078 amu and the isotopic mass of 35CI atom is 34.9688 amu, k 516 N m-1, and Ze = 127.5 pm. Calculate the period for vibration. Express your answer in seconds to three significant figures. Tvibrastional Submit tAn ▼ Part F Calculate the period for...
Review Constants 1 Periodic Table A 72 -kg person is accidentally exposed for 234 s to a 17 –mCi source of beta radiation coming from a sample of Sr. Part A What is the activity of the radiation source in disintegrations per second? Express your answer using two significant figures. IVO A O ? disintegrations per second Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the activity of the radiation source in...
Review Constants Periodic Table Part A The rearrangement of methyl isonitrile (CH3NC) to acetonitrile (CH CN) is a first-order reaction and has a rate constant of 5.11x105 s at 472 K Assume the initial concentration of CHs NC to be 3.80x10-2 M What is the half-life (in hours) of this reaction? hours to three significant figures. Express the time t1/23,77 hr You may want to reference (Pages 510 513) Section 13.6 while completing this problem. Submit Previous Answers Correct Since...
A Review | Constants | Periodic Table The value of Ksp for Mg3 (AsO4)2 is 2.1 x 10-20. The AsOX-ion is derived from the weak acid H3 AsO4 (pKal = 2.22; pKa2 = 6.98; pKa3 = 11.50). Part A Calculate the molar solubility of Mg3 (AsO4), in water. Express your answer to two significant figures and include the appropriate units. O HÅ* o a? Value Units M8(4804), Submit Request Answer Part B Calculate the pH of a saturated solution of...
Item 29 29 of 32 Review | Constants Periodic Table Calculate the change in Gibbs free energy for each of the sets of AH AS and T given in the following problems. Submit Request Answer Predict whether or not the reaction in part will be spontaneous at the temperature indicated. (Assume that all reactants and products are in their standard States.) spontaneous nonspontaneous Submit Part H Predict whether or not the reaction in part and products are in their standard...
Review Constants Periodic Table Chemical energy is released or absorbed from reactions in various forms. The most easily measurable form of energy comes in the form of heat, or enthalpy. The enthalpy of a reaction can be calculated from the heats of formation of the substances involved in the reaction: Part A Calculate the standard enthalpy change for the reaction AH;xn = npAH (products) - RAH; (reactants) 2A+B=2C+ 2D where r represents the stoichiometric coefficients. Use the following data: AH...
Review Constants Periodic Table Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 °C to 32.33°C. You may want to reference (Pages 265-266) Section 6.5 while completing this problem. Part A Find A Erxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11 kJ/°C. Express the change in energy in kilojoules per mole to three...
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