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If the rate of formation (also called rate of production) of compound C is 2M/s in...
6A.2 The rate of formation of C in the reaction 2 A + B -->4 C + 3 D is 3.2 mol dm-3 s·'. State the rates of formation and consumption of A. B. and D. 6A.3 Equation 2a defines the unique rate of a reaction. Write expressions for vfor each of the species in the reaction 2 A+B --> 4 C + 3 D. What is the value of v given the rate of forma- tionofCis3.2moldm-3 s·'?
a. -3m
b. -2m
c. -1m
d. 1m
e. 2m
Vy is the velocity of a particle moving along the x axis as shown. If x = 1.0 m at t= 1.0 s, what is the position of the particle at t = 6.0 s? V (m/s) 4.0 3.0 2.0 1.0 0 1.0 2.0 3.0 4.0 50 6.0 1.0 2.0
7. Calculate the rate constant at 70°C for the reaction A + 3B-> 2C given that the rate constant of the reaction is equal to 3.5x10 'M's' at 100°C. (Ea=142 kJ/mol)
for the following reaction, to get the rate of formation of
H2O
- 2x C @ 2 - 2 hours 3/34 QUESTION 7.1 POINT For the following reaction to get the rate of formation of H,O, what must we multiply the rate of formation of Sio, by? 2 Si,H+70,- 4 Si0, +6H,0 Select the correct answer below: 0 0 0 FEEDBACK
What type of compound does this represent? H-C=0 H-C-OH H-C-OH CH OH ketotriose ketotetrose aldotriose aldotetrose < Next >
3. Calculate the enthalpy of formation of carbon dioxide in the following reaction: C(s) + O2 (g) – CO2 (g) 213 Use the following equations: a) H20 (0) -- H2(g) + 103() AH',- +285.8 kJ/mol b) CH. (g) -2C (s) + 3H2(g) AH:- +84.7 kJ/mol c) 2CO2(g) +3H() - CH.(g) + (7/2) O, (g) AH,- +1560.7 kJ/mol
2.4 Using the steady state approximation derive the rate expression for the formation of C in the reaction 2A + B (g) → 2C(9) on the basis of the following proposed mechanism ki ZA K-1 X + B K2 20 To what expression does the rate expression reduce if the second reaction is slow, the initial equilibrium established very rapidly. (8)
5. Calculate the enthalpy of formation of carbon dioxide in the following reaction: C(s) + O2(g) - CO. (g) 213 Use the following equations: 2) H.O (0) -- H() .O() AH: 285.8 kJ/mol b) CH. (g) -- 2C). 3H2(g) AH: +84.7 kJ/mol c) 200,(e) +3H.0 (6-- C.H. (B). (7/2)0,() AH - 1560.7 kJ/mol
15. What are the signs of AH and AS for this reaction: 2C(s) + 0:(g)>2C0(g)? A) B) C) D)
The formation of an azo compound is a slow reaction, however the rate can be increased by raising the pH of the solution. Explain what is the reason for that? Make sure to include relevant chemical reactions using CHEM DRAW. please do not respond if you are not going to use CHEMDRAW :)