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In P vs. 1/T for Methanol > So 0.004 Y.4531.4x + 13.308 Determine AH vaporisation for...
Using Hess's Law, determine the enthalpy change of the following reaction. CS2(1) + 3 O2(g) --> CO2(g) + 2 SO2(g) C(s) + O2(g) --> CO2(g) AH = -393.5 kJ/mol S(s) + O2(g) --> SO2(g) AH = -296.8 kJ/mol C(s) + 25(s) --> CS2(8) AH = +87.9 kJ/mol -899.2 kJ O-778.2 kJ -602.4 kJ - 1075.0 kJ
If chemical reaction (1) has a AH of 68 kJ associated with it, what is the AH of reaction (2)? (1) N2(g) + 202(g) -> 2NO2(g) AH=68 kJ I AH = ? (2) 3N2(g) + 602(g) - 6NO2(g) A. -34 kJ B. 68 kJ C. 136 kJ D. 204 kJ
1(3pts) Use the following data to determine the AH of > 8 CO (g) +5 H2O(I) 2 C.Hidg)+13 0:(g) AH (KJ/mol) Substance AH(kJ/mol) Substance Data: С-Н. () CH OH(g) C.Hi2(g) С.Н.0 Н.о0 со, N2(g) -104.0 -201.0 -146.44 +12.0 -285.83 С-Н.В) CH,OH() С.Н.о(8) C&Hi2(() H.O(g) CO(g) O:(g) 20.9 -239.0 -126.15 -156.4 -241.82 -393.51 -110.53
1.(3pts) Use the following data to determine the AH of > 8 CO (g) +5 H2O() 2 C Hiog) +13 O2(g) AH (KJ/mol) Substance AH (kJ/mol) Substance Data: -104.0 CaH&(g) CHHОН() CH12(g) CH&(I) НО) Со N2(g) С.Н.8) CH2OH(I) -239.0 C&Hio(g) C&H12(I) H2O(g) CO(g) O2(g) 20.9 -201.0 -146.44 -126.15 +12.0 -156.4 285.83 -241.82 -393.51 -110.53 0
1.(3pts) Use the following data to determine the AH... of 2 CHO(1) + 21 Og) --> 14 COMg) + 16 HẠO(g) Substance AH(kJ/mol) Substance AH?(kJ/mol Data: C Hag) CH,OH(L) C.H.O(1) CH, O) H.O(g) CO(g) O.(g) 20.9 -239.0 -277.0 -316 0 -241.82 -110.53 C.H.(5) CH,OH(g) C3H20 (1) C-HBO(l) H.O(1) CO; N (8) -104,0 -201.0 -298.6 -340.0 -285.83 -393.51 2.(2pts) If you are given 338,0 g 0 () and a sufficient amount of the other reactant, calculate the heat associated with reaction...
Question 5: Consider the following choice (where pe 0,1), (0,1), and p+q<1): x=($40.p: $10,4; $0,1-p-9) vs. y= (a) For what values of p and does lottery x dominate lottery y? (b) For what values of p and q does lottery y dominate lottery x?
Use the Laplace transform to solve the given initial-value problem. so, 0 <t< 1 y' + y = f(t), y(0) = 0, where f(t) 17, t21 y(t) = + ult-
Sketch the slope field of y' = ty to determine lim --- y(t) such that y is a solution with y(0) < 0. The limit is 00 -00 -1
Without doing any calculations predict the sign of AH for each reaction 1. NaCl (s)------> Na+ (g) + Cl- (g) AH is 2. 2H (8) ----> H2(g) AH is 3. HBr (8) -> H (g) + Br (g) AH is
1. (3pts) Use the following data to determine the AH.. of 2 C Hig) + 13 0_(g) ---> 8 CO(g) + 5 H2O(1) 12-15 -11053 -28583 Data: Substance AH”(kJ/mol Substance AH (kJ/mol) CH.(g) CH,OH(1) C.Hog) C.H () H2O(g) CO(g) O(g) 20.9 -239.0 -126.15 -156.4 -241.82 -110.53 CH:(9) CH,OH() CsH (8) CH(1) H2O(1) CO2 N:(9) -104.0 -201.0 -146.44 + 12.0 -285.83 -393.51 -24 2.(2pts) If you are given 88.0 g 0 (g) and a sufficient amount of the other reactant, calculate...