Aparticular first-order reaction has a rate constant of 1.35 × 102 s−1 at 25.0 ∘c. what is the magnitude of k at 45.0∘c if ea = 55.5 kj/mol. a particular first-order reaction has a rate constant of 1.35 102 at 25.0 . what is the magnitude of at 45.0 if = 55.5 . 1.35 × 104 5.07 × 1053 5.53 × 102 190 1.35 × 102

In the 1980's, congress authorized the u. s. department of energy to build the wipp facility in the chicuahuan desert in new mexico. what is the purpose of wipp?

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j