Answer:
Explanation:
time to diffuse x cm is given by the relation
t = X² /2D
D = 5.7 x 10⁻⁷
t = X² / 2 x 5.7 x 10⁻⁷ = X² x 10⁷ / 11.4 s
X = 10 pm = 10 x 10⁻¹² m = 10 x 10⁻¹⁰ cm = 10⁻⁹ cm
t =( 10 ⁻⁹)² x 10⁷ / 11.4 = 10⁻¹¹ / 11.4 = 8.77 x 10⁻¹³ s
Answer:
When they like engage their students at a high level
Probably do some hands on experiments with their students so that the kids can actually have some fun.
When they know their students learning styles .
Explanation:
I don't know it just came to my mind. This is what I'd expect from a good science teacher.
Pasteur said that heating the wine at about 120°F would make sure that the wine would not turn sour, so the option is A.
Here's the information link: http://www.faqs.org/health/bios/83/Louis-Pasteur.html
Answer:
1300cm3.
Explanation:
Step 1:
Data obtained from the question.
Initial temperature (T1) = K
Initial volume (V1) = 650 cm3
Final temperature (T2) = double the original = 2K
Final volume (V2) =..?
Step 2:
Determination of the new volume of the gas.
The new volume of the gas can be obtained by using Charles' law as follow:
V1/T1 = V2/T2
650/K = V2/2K
Cross multiply
K x V2 = 650 x 2K
Divide both side by K
V2 = 650 x 2K /K
V2 = 650 x 2
V2 = 1300cm3.
Therefore, the new volume of the gas is 1300cm3