Answer: (C) Although the average kinetic energy of the colliding substances increases, this has no influence on activation energy.
Explanation:
After increasing the temperature of the reaction , the rate of the chemical reaction increases due to increase in the average kinetic energy of the particles. At increased temperature high proportions of particles can react making the reaction faster.
Mg gained mass because it went from being a single element (on the reactant side) to being a molecule (on the product side).
Answer:
Is this from edge?
if so which lesson is it from and is this an assignment or a quiz?
I think the answer is C (Much of the evidence for evolution comes from fossils.)
Answer:
Around 240 $ /minute
Explanation:
You do 2100000/365/24
which is the total amount of money divided by the amount of days in a year to find out how much they earn everyday. Then you divide by 24 to find out how much they earn every hour.
