We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
4. In the reaction: CH4 (g) + 2 O2(g) → CO2(g) + 2 H2O(g) 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
4. Given the reaction: CH4 (8) + 2 O2(g) → CO2 (g) + 2 H20 (8) where AH = -891 kJ Calculate the enthalpy change if 1.00 g of methane (CH) is burned in excess oxygen.
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!)
Consider the reaction, CH4 + O2 -> CO2 + H20. How many moles of O2 will react with 6.78 moles of CH4?
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?
Consider the following reaction. CH4(g) + 2 O2(g) - CO2(g) + 2 H20(1) AH = -891 kJ Calculate the enthalpy change for each of the following cases. (a) 2.00 g methane is burned in excess oxygen. Гk (b) 2.00 x 103 L methane gas at 743 torr and 25°C is burned in excess oxygen.
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?
4 For the combustion reaction of methane, AHºf is zero for CH4 (g) + O2 (g) → 2H2O(g) + CO2 (g) A) 02 (g) B) CH4 (g) C CO2 (g) B) H20 (g) E) Both O2 (g) and CH4 (g)
The following data were obtained for the reaction of methane with oxygen: CH4(g) + 202(g) CO2(g) + 2H20(1) → time(min)[CH4l (mol/L) 0 10 20 30 0.050 0.030 0.020 0.015 0.020 a) How many moles of CO2 are produced for each mole of CH4 that is used up? b) What concentration of CH4 is used up after 10 minutes? c) What is the concentration of carbon dioxide produced after 20 minutes? d) Write an equation for reaction rate in terms of...
CH4 + 2 O2 → CO2 + 2 H20 How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?