1. draw a rough sketch of the energy profile for each of the following cases:

a. delta e = +10 kj/mol, ea = 25 kj / mol
b. delta e = -10 kj/mol, ea = 50 kj/mol
c. delta e = -50 kj/mol, ea = 50 kj/mol

which of the reactions will have the greatest rate at 298 k? assume the frequency factor a is the same for all three reactions.

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0