Answer:
The correct answer is letter A. Condensation nucleii
2.50 × 10 ^-5. Move your decimal until you get a whole number. Then count how many times you moved it and that is your exponent. So your exponent is -5 because you're going to the left, if you're going to the right it would be a positive number.
The best answer among the following choices would be the fourth option D).
Here's a website with the answer and some cool reading:
http://history-world.org/archeology.htm
Answer:
0.529
Explanation:
Let's consider the reaction A → Products
Since the units of the rate constant are s⁻1, this is a first-order reaction with respect to A.
We can find the concentration of A at a certain time t () using the following expression.
where,
[A]₀: initial concentration of A
k: rate constant