reaction A has Ea = 25 kJ mol-1 and reaction B has Ea = 35 kJ mol-1. If the two reactions proceed at the same rate at standard temperature (25°C), which reaction is faster at temperature (37°C)?
If a particular reaction has an activation enery, Ea, of 160 kJ/mol, how much faster is a reaction at 70 ∘C compared to the reaction at 25 ∘C? a. The reaction is approximately 875 times slower at the higher temperature. b. The reaction is approximately 4,800 times faster at the higher temperature c. The reaction is approximately 520 times faster at the higher temperature
A reaction has an activation energy, Ea = 41.6 kJ mol-1 at 25 °C. By how many degrees must the temperature be raised in order to increase the reaction rate by a factor of 30. A) 2.0 B) 374 C) 29 D) 76 E) 6.0
A reaction has an activation energy, Ea = 41.6 kJ mol-1 at 25 °C. By how many degrees must the temperature be raised in order to increase the reaction rate by a factor of 30. A. 2.0 B. 6.0 C. 29 D. 374 E. 76 The following reaction takes place in an acidic solution As4O6(s) + MnO4-(aq) → AsO43-(aq) + Mn2+(aq) In the simplest balanced equation, the coefficients for each listed species are As4O6 MnO4- H+ A. 1,3,12 B. 3,5,36...
6) Some unimolecular reaction, A → B, has a AH = -31.2 kJ/mol and a AS = 4.8 J/mol K. At 25 °C the reaction has a rate constant of 0.155 5-1. Raising the temperature to 37 °C increases the rate constant to 0.216 s-. Draw the potential energy surface (in terms of AG vs reaction coordinate) for this reaction at 25 °C (assume Hand S do not change with temperature).
A particular reaction has an activation energy, Ea, of 108 kJ/mol. If the rate constant for the reaction is 0.00573 s −1 at 498 °C, at what temperature(in°C) would the rate constant be 0.283 s −1?
1) A certain reaction has an activation energy of 67.68 kJ/mol.67.68 kJ/mol. At what Kelvin temperature will the reaction proceed 5.505.50 times faster than it did at 321 K?321 K? T= 2) Consider the elementary reaction equations shown. A(g)+B(g)⟶C(g)+D(g)A(g)+B(g)⟶C(g)+D(g) 2X(g)⟶Y(g)+Z(g)2X(g)⟶Y(g)+Z(g) Write the rate law for reaction A. Write the rate law for reaction B.
A particular reaction has an activation energy, Ea, of 130 kJ/mol. If the rate constant for the reaction is 0.00684 s −1 at 663 °C, at what temperature(in°C) would the rate constant be 0.376 s −1? *Please report 3 significant figures. Numbers only, no unit. No scientific notation.
12. A reaction has Ea = 50.0 kJ mol G1. If the specific rate constant (k) for this reaction is 0.00365 s G1 at 25 o C, what will the value of the specific rate constant be at 100EC ?
-7 kJ mol and Ea 12 kJ mol. What is the For the reaction A 14. activation energy for the reaction B B, AH A? -7 kJ mol and Ea 12 kJ mol. What is the For the reaction A 14. activation energy for the reaction B B, AH A?
QUESTION 18 A particular reaction has an activation energy, Ea, of 108 kJ/mol. If the rate constant for the reaction is 0.00573 s −1 at 498 °C, at what temperature(in°C) would the rate constant be 0.283 s −1? *Please report 3 significant figures. Numbers only, no unit. No scientific notation.