Three signs that a chemical change has taken place is 1) color change 2) formation of gas bubbles 3) a change in temperature ( if you have ever bleached your hair the reason why it is warm to the touch is because of a chemical reaction)
Answer:
The element of the atom.
Explanation:
The number of protons confirms what element is the atom.
Three types of chemical reactions would be rusting, boiling, or reacting to acid
Answer:
C6H6 + H2SO4 ---> C6H5SO3H + H2O
k [H2SO4]^2 [C6H6]
Explanation:
In writing the rate equation for a reaction, all the steps in the reaction sequence are summed and transient intermediates are taken into consideration.
Writing rate equation began at the slowest step as shown in the image attached to this answer below. This is because the slowest step determines the rate of reaction. Concentration of intermediates are usually expressed in terms of concentration of reactants as intermediates do not enter the rate equation.
Answer:
d
Explanation:
the outer planets are uranus neptune jupiter and saturn also the sun all way bigger than the earth