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Given M 5 i +4- 3 k and N 6 i- 3 j - k, calculate the vector product M x N. 8 Review the definition of the cross product in term of components. i + Need Help? LReadIt 11 watch lt
Given M i2 j - 6 k and N -1-6j -5 k, calculate the vector product iM x N.
For the combustion of acetylene at 298.15 K, 2 C2H2(g) + 5 O2(g) →4 CO2(g) + 2 H2O(g) calculate ASⓇ(universe) given AS (system) = -194.6 J/K and AH°(system) = -2511.2 kJ. +8228.0 J/K +1290.4 J/K 0 -186.2 J/K +186.2 JK 0-2453.2 J/K
Q3: Given a relational schema R = {A,B,C,D,E,F,G,H,1,J,K} and a set of functional dependencies F {A B C D E, E F G H I J,AI →K} and a key(R) = AI = 1. Is R in BCNF? If yes, justify your answer [5 points] 2. If no, explain why and decompose R for two levels only [10 points] 3. Check whether the decomposition in step 2 dependency preserved or not [5 points]
Calculate the activation energy, Ea, for N2O5(g) --> 2 NO2(g) + 1/2 O2(g) given k (at 30.0 °C) = 7.24E-5 s–1 and k (at 75.0 °C) = 2.16E-2 s–1. (R = 8.314 J/K×mol)
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
need answers for all 1, (20 pts) Solve the subproblems given n as an integer, and and hIn] as -1 5 4 3 2-1 0 12345 3 -2 10 123 5 4 45 (a) Plot [k], changing the base from n to k. (1 pt) Note: Be sure to mark the axes. .2 543 210 12345 (b) Plot hk), changing the base from n to k. (1 pt) Note: Be sure to mark the axes. 0 .2 5 4 3...
Given the information AS = 291.0 JK AS = -147.0 J/K A+B 2D AH = -731.3 kJ CD AH = 382.0 kJ calculate AG at 298 K for the reaction A+B — 20 AG can privacy policy 80 doo DU . FS $ 4 % 5 3 6 7 00 9 E R T Y U o Р D F. G H J K С B N. M
Q3. Calculate AG®, for the reaction CO (g) + O2(g) → CO2 at 298.15 K. Calculate AG®, at 600 K assuming that AH®, is constant in the temperature interval of interest.
If there is formation of NO(g) from N. (g) and 0,(g) at 298 K, calculate the standard free energy. The reaction is as follow: N,(g) + O2(g) → 2 NO(g) given that AH° = 180.7 kJ and ASⓇ = 24.7 J/K. Is the reaction spontaneous under these circumstances? A. Write the chemical reaction in which glucose is completely oxidized to CO, and H,O, and nitrate is completely reduced to N, B. What is the Gibbs free energy change and cell...