The rate law for the decomposition of PH3 is, R = -d[PH3]/dt = k[PH3]. It takes 120 s for the concentration of 0.84 M PH3 to decrease to 0.21 M. How much time is required for 1.5 M PH3 to decrease to 0.56 M?
The rate law for the decomposition of PH3 is, R = -d[PH3]/dt = k[PH3]. It takes...
The rate law for the decomposition of PH3 is, R = -d[PH3]/dt = k[PH3]. It takes 120 s for the concentration of 0.84 M PH3 to decrease to 0.21 M. How much time is required for 1.5 M PH3 to decrease to 0.56 M?
The rate law for the decomposition of phosphine (PHs) is APH, - kPH , Rate At It takes 140. s for 1.00 M PHy to decrease to 0.200 M. How much time is required for 4.00 M PH to decrease to a concentration of 0.400 M?
Work set 3 The rate of sucrose's decomposition is given as rate of sucrose decomposition = k[sucrose] If k = 0.21/hr and the initial concentration of sucrose is 0.010 M, determine how much time must pass for the concentration (M) of sucrose to decrease by 90.0%.
For problem #3 and 4, a. b. C. Calculate the rate constant. Calculate half life Calculate the time it takes for the concentration to go down to 75% of its original value. 3. The rate law for the decomposition of phosphine (PH3) is: Rate k [PH3] It takes 120. S for 1.00 M PH3 to go down to 0.250 M
The rate of decomposition of PH3 was studied at 921.00 degrees Celsius. The rate constant was found to be 0.0965 s-1. If there eaction is begun wit an initial pH3 concentration of 0.75 M what will be the concentration of PH3 after 7.00 s?
The rate of decomposition of PH3 was studied at 991.00 °C. The rate constant was found to be 0.0695 s–1. 4PH3 -------> P4 + 6H2 If the reaction is begun with an initial PH3 concentration of 0.95 M, what will be the concentration of PH3 after 37.00 s?
The rate law for the decomposition of N2O5 is rate = k[N2O5] If k = 1.0 x 10-5 s-1, what is the reaction rate when the N2O5 concentration is 0.0091 mol L-1? 2.The decomposition of acetaldehyde, CH3CHO, was determined to be a second order reaction with a rate constant of 0.0771 M-1 s-1. If the initial concentration of acetaldehyde is 0.301 M , what will the concentration be after selected reaction times? a. What will the CH3CHO concentration be after...
The gas phase decomposition of phosphine at 120 °C PH3(g) 1/4 P_(g) + 3/2 H2(e) is first order in PH, with a rate constant of 1.80x102;! If the initial concentration of PH, is 6.66x102 M, the concentration of PH, will be 1.09x10-2 M after s have passed
Considering the rate law expression for decomposition, if the concentration of ammonia was increased 4 fold (4 times), how many times will the reaction rate increase or decrease? Consider the rate law expression for synthesis and presume the concentration of H2 to be constant. If the concentration of nitrogen was increased 2 fold (2 times), how many times will the reaction rate increase or decrease?
the rate law for the decomposition of acetaldehyde is rate=k[ acetaldehyde]^2. what is the rate of the reaction when the [acetaldehyde]=1.75x10^-3 M and the rate constant is 6.73x10^-6 M^-1s^-1?