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4. In the reaction: CH4 (g) + 2 O2(g) → CO2(g) + 2 H2O(g) the initial...
4. In the reaction: CH4 (g) + 2 O2(g) → CO2(g) + 2 H20 (2) the initial concentration of CO2 is 0.000 M, and after 30.0 sec, the concentration of CO2 is 0.670 M. What is the average reaction rate over this time span? A) 2.50 M/s B) 0.0223 M/s C) 0.25 m/s D) 1.1 M/s
Consider the combustion of methane (shown below), CH4(g) + 2 O2(g) --> CO2(g) + 2 H2O(g) The rate of change in the concentration of CH4 is –0.045 M/s. What is the rate of formation of H2O?
CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g) Calculate ΔH for the reaction using the bond enthalpies given. C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(g) Calculate the overall enthalpy change for this reaction using the bond enthalpies given.
Calculate the standard-state entropy for the following reaction: 1 CH4(g) + 2 O2(g) ⟶ 1 CO2(g) + 2 H2O(l) (If applicable, coefficients of one have been included for clarity.) The standard entropy values are given in the table. Formula S∘ J/(K⋅mol) CO2(g) 214 H2O(l) 189 CH4(g) 186 O2(g) 205
Consider the gas phrase reaction shown below: CH4(g) + 2O2 (g) -> CO2(g) + 2H2O (g) Write the rate expression in terms of the rate of appearance of CO2 Rate= ? M/s If the average rate of disapperace of O2 is Δ[O2]/ Δt = -.0400 M/s, calculate the average rate of appearance of CO2 over the same time interval Δ[CO2]/ Δt= ? M/s (Please show all work! thank you!)
In the reaction CO2(g) + 2H2O(g) ? CH4(g) + 2O2(g) the initial rate of change in the concentration of CO2 is ?3.2 × 10?5 M s?1. What are the initial rates of change in the concentration of the other three substances in the reaction mixture?
CH4 (g) + O2(g) +H2O-------> CO2 (g) + H2O What would the percent yield of the reaction be if 15.2 g of O2 were reacted and only 6.7 g of CO2 were made?
Consider the reaction below. CH4 (g) + 2 H2O (g) ⇌ CO2 (g) + 4 H2 (g) The equilibrium concentrations of the four components are listed below. Calculate the value of Keq for this reaction. Round your final answer to two significant figures. [CH4] = 0.049 M [H2O] = 0.048 M [CO2] = 0.0090 M [H2] = 0.0036 M
Which of the following species acts as a reducing agent during the following reaction? CH4(g)+O2(g)⟶CO2(g)+H2O(l) Options: (a) CH4 (b) O2 (c) CO2 (d) H2O
(c) CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g) Is this an oxidation-reduction reaction? O Yes O No oxidizing agent: Help chemPad Greek- reducing agent: Help chemPad Greek ▼ substance oxidized: ⓤ Help chemPad Greek ▼ substance reduced: Help chemPad Greek▼