The rate of decomposition of PH3 was studied at 991.00 °C. The rate constant was found...
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?
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The rate of decomposition of PH3 was studied at
991.00 °C. The rate constant was found...
The rate of decomposition of PH3 was studied at 921.00 degrees Celsius. The rate constant was...
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?
10. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction:...
10. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. a) Calculate the first-order rate constant for the reaction: _______ s−1 b) Calculate the time required for 78.0 percent of the phosphine to decompose: ________ s
Be sure to answer all parts. The thermal decomposition of phosphine (PH3) into phosphorus and molecular...
Be sure to answer all parts. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first- order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. (a) Calculate the first-order rate constant for the reaction. S (b) Calculate the time required for 29% of the phosphine to decompose. S
the decomposition of phosphine forms phosphorus and hydrogen in the following reaction: 4PH3(g)--> P4(g)+6H2(g) A. express...
the decomposition of phosphine forms phosphorus and hydrogen in the following reaction: 4PH3(g)--> P4(g)+6H2(g) A. express the rate with respect to each of the reactants and oroducts. B. if the instantaneous rate with respect to PH3 is 0.34 M s^-1, what is the instantaneous rate of the reaction? use rate laws not calculus please.
1A. The decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C N2O5 2 NO2...
1A. The decomposition of dinitrogen pentoxide in carbon
tetrachloride solution at 30 °C N2O5 2 NO2 + ½ O2 is first order in
N2O5 with a rate constant of 4.10×10-3 min-1. If the initial
concentration of N2O5 is 0.510 M, the concentration of N2O5 will be
M after 402 min h
1B. The gas phase decomposition of phosphine at 120 °C
PH3(g)1/4
P4(g) + 3/2 H2(g)
is first order in PH3
with a rate constant of 1.80×10-2
s-1.
If the...
9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at...
9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at 24°C. (a) Starting with [A]0 = 9.50 × 10−3M, how long will it take for [A]t = 3.10 × 10−3M? ______ min (b) Calculate the half-life of the reaction. _______ min 10. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. a) Calculate...
8. Consider the reaction: A → B The rate of the reaction is 1.6 × 10−2 M/s when the concentration of A is 0.35 M. Calcul...
8. Consider the reaction: A → B The rate of the reaction is 1.6 × 10−2 M/s when the concentration of A is 0.35 M. Calculate the rate constant if the reaction is first order in A. Enter only the numerical value for the rate constant in the answer box. 9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at 24°C. (a) Starting with [A]0 = 9.50 × 10−3M, how long will it take...
Consider the reaction 4PH3(g) → P4(g) + 6H2(g) At a particular point during the reaction, molecular...
Consider the reaction 4PH3(g) → P4(g) + 6H2(g) At a particular point during the reaction, molecular hydrogen is being formed at the rate of 0.135 M/s. (a) At what rate is P4 being produced? M/s (b) At what rate is PH3 being consumed?
The gas phase decomposition of phosphine at 120 °C PH3(g) 1/4 P_(g) + 3/2 H2(e) is...
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
2. Consider the reaction 4PH3(g) → P4(g) + 6H2(g) Suppose that, at a particular moment during...
2. Consider the reaction 4PH3(g) → P4(g) + 6H2(g) Suppose that, at a particular moment during the reaction, molecular hydrogen is being formed at rate of 0.234 M/s. (a) At what rate is P4 changing? _______ M/s (b) At what rate is PH3 changing? ________ M/sF
Be sure to answer all parts. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first- order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. (a) Calculate the first-order rate constant for the reaction. S (b) Calculate the time required for 29% of the phosphine to decompose. S
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
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