This question is making an appeal to your logic.
Definitions
The hump between A + B and C + D is the activation energy.
The forward activation energy is going from a low of 40 up to a high of 100.
The backward activation energy is going from a low of 20 and a high of 100.
Answer A
Look at the curve. which is higher, 40 or 20? You pick the one that is higher? A must be true.
Answer B
If A is true, B cannot be.
Answer C
C can't be true. Again the diagram holds the answer. The hump starts higher on the side of A+B. It takes less energy to get over the hump on the A+B side than the C + D side.
Answer D
The activation energies are not the same.
Answer:
an energy level represents the three dimensional space surrounding nucleus where electrons are most likely to be.
Explanation:
Answer:
Electricity and magnetism are closely related. Flowing electrons produce a magnetic field, and spinning magnets cause an electric current to flow. Electromagnetism is the interaction of these two important forces.
Explanation:
Answer:
Ok so I assume they gave u a reaction before asking this question. Look at that reaction and try to figure out what substances are changing in valency, if there is a substance(s) that doesn't change its valency then it's a spectator ion.
Metals generally lose electrons when they form ions. Therefore, they usually form
"cations" because they are losing negative charges.
Cations are ions that are PAW-sitively charged ions. "meow!" (this trick helped me remember that cations are positive ions. I hope it helps you too!)
