Below are the photochemical profiles for two hypothetical compounds X and Y. As shown in the reaction equations (1) and (2), excitation of X to the S1 state in the presence of a sufficient hydrogen atom donor (M-H) results in the dimerization of X to H2X2. Given that (i) there is no direct reaction between X, Y, or H2X2 with H2O2, (ii) the dimerization of H-X· is faster than any competing bond forming reactions, e.g. reaction with Y or CO2, (iii) similarly, M· can only react with another equivalent of M·, and (iv) the energy of S1(CO2), which does not undergo intersystem crossing to the corresponding triplet state, is 100 kcal

Questions and Answers > Below are the photochemical profiles for two hypothetical compounds X and Y. As shown in the reaction equations (1) and (2), excitation of X to the S1 state in the presence of a sufficient hydrogen atom donor (M-H) results in the dimerization of X to H2X2. Given that (i) there is no direct reaction between X, Y, or H2X2 with H2O2, (ii) the dimerization of H-X· is faster than any competing bond forming reactions, e.g. reaction with Y or CO2, (iii) similarly, M· can only react with another equivalent of M·, and (iv) the energy of S1(CO2), which does not undergo intersystem crossing to the corresponding triplet state, is 100 kcal

Science • Chemistry • Organic chemistry Below are the photochemical profiles for two hypothetical compounds X and Y. As shown in the reaction equations (1) and (2), excitation of X to the S1 state in the presence of a sufficient hydrogen atom donor (M-H) results in the dimerization of X to H2X2. Given that (i) there is no direct reaction between X, Y, or H2X2 with H2O2, (ii) the ...[Show More]

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Table 1: Special Request Codes which means if an airline fulfils any of the promotional conditions, it would be able to enjoy the discounts received A terminal administrator ensures that the appropriate boarding gate is assigned to flight Discount numbers based on whether any special request code is included in the flight plan Promotional Condition Received received. There would be 20 boarding gates in the airport terminal ranging from Al to For every 3 flights arriving/departing, airlines will receive a A10 and B1 to B10. Some boarding gates can accommodate these special request $35 discount codes, as shown in Table 2 below. 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Appendix: changed. This could result in the re-assignment of the boarding gate, if one boarding gate has already been assigned. A small island state, Susschelles, is constructing an airport and requires a Flight Information Digital Signage (FIDS) application to display real-time flight information The application also calculates the daily fees for the airlines based on the number of to passengers. The FIDS application would use electronic display boards and monitors flights arriving at or departing from the terminal and the types of boarding gates they in the terminal building at Terminal 1 of the airport to provide vital information use, as shown in Table 3 below. This ensures that the terminal administrator can send regarding arriving and departing flights, including flight numbers, airline names, city the correct bill to each airline. of origin or destination, expected departure or arrival date and time, and flight status Fee Per (On Time, Delayed, Boarding, Departed, Arrived). Information on boarding gates Terminal Fees Action/Usage Fee Description would also be provided. For example, Flight SQ369 is at boarding gate A3. Arriving Flight $500 Arriving Flights are Flight Numbers with Destination as Susschelles (SCL) Airline personnel can use the application to create a new flight by entering the basic Departing Flight $800 Departing Flights are Flight Numbers information of its flight plan. This basic information includes a flight number, airline with Origin as Susschelles (SCL) $300 name, origin, destination, and expected departure arrival date and time. This new flight Boarding Gate Base Fee Base Fee for All Boarding Gates is then added to the queue of flight plans. At any point in time, there would not be more DDJB Code Request Fee $300 Additional Fee when a Flight indicates than one flight with the same flight number on the same day. 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The promotions are stackable, Table 1: Special Request Codes which means if an airline fulfils any of the promotional conditions, it would be able to enjoy the discounts received A terminal administrator ensures that the appropriate boarding gate is assigned to flight numbers based on whether any special request code is included in the flight plan Promotional Condition Discount Received received. There would be 20 boarding gates in the airport terminal ranging from Al to For every 3 flights arriving/departing, airlines will receive a A10 and B1 to B10. Some boarding gates can accommodate these special request discount $350 codes, as shown in Table 2 below. For more than 5 flights arriving/departing, airlines receive an 3% off the additional discount Total Bill Special Request Code Boarding Gates For flights arriving/departing before 11am or after 9pm $110 DDJB A10, B10 For airlines with the Origin of Dubai (DXB), Bangkok (BKK) or CFFT B1, B2, B3 + All A Gates (A1 to A10) Singapore (SGP) 525 .WTT A1, A2, + All B Gates (B1 to B10) For not indicating any Special Request Codes $50 Table 2: Boarding Gates that can satisfy Special Request Codes from Flights Table 4: Promotions and Discounts received by Airlines The terminal administrator coordinates the flights in the sequence they are received, The terminal administrator can create airlines and boarding gates in the releasing them from the queue only after successfully assigned a boarding gate to a application. He/she shall also be able to list all flights with their basic information and flight. 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