Recent content by stacope32

Hi thanks for replying ! Sorry for thr confusion, I am struggling to learn things as I just stumbled upon this topic. My report aim is to determine the activation energy for a reaction and the reaction I chose is as above, the zinc and hydrochloric acid reaction. I am using the Arrhenius...

http://antoine.frostburg.edu/chem/senese/101/kinetics/faq/temperature-and-reaction-rate.shtml According to Rule of Thumb, the reaction rate doubles when there is a 10 degree rise in temperature. I want to determine the activation energy for a lab, but my level of study is not advanced enough...

I used the stop watch on iPad to time it. What confuses me is that all my classmates use stopwatch on their smartphones to measure the time and their results turned out fine. Does that mean my time should have been smaller or greater?

Homework Statement A block of 55 g is sliding down a ramp of 35 degrees of inclination. The hypotenuse of the ramp is 63 cm and the height is 36 cm. vi = 0 as the block starts at rest. Homework Equations vf = vi + a(t) d = vi*t + (a(t)^2)/2 kinetic energy = (mv^2)/2 The Attempt at a Solution...