Answer:
The speed of light serves as the natural phenomenon that defines the meter's length. A meter is quantified as the distance light travels in a vacuum in 1/(299792458) seconds.
This definition is superior because using a standard meter stick can lead to inaccuracies due to variations in measurements resulting from different atmospheric conditions.
Explanation:
Hello, in this context regarding the decomposition of phosphorus pentachloride: Considering the equilibrium constant is given, along with the initial concentration of phosphorus pentachloride, we can establish the law of mass action. To analyze the changes in concentration and the equilibrium state, an ICE table will be used. This will lead us to determine the equilibrium concentration of phosphorus pentachloride, which will ultimately allow us to compute the percent decomposition. Best regards.
The isotopic mass of 47Z is calculated to be 46.96 amu. Isotopes of a single element differ in neutron count, and to ascertain the relative atomic mass, we consider each isotope's mass weighted by their natural abundance. This provided a computation to derive the mass of 47Z.
Response:
Clarification:
Hello,
In this scenario, since a single drop equates to 0.05 mL of the solution provided, with a concentration of 0.02 g/mL, the mass of oleic acid in one drop calculates to:
Best wishes.
Assuming we have a 100g sample, the mass of each element is as follows:
C: 74 g
H: 7.4 g
N: 8.6 g
O: 10 g
Next, we calculate the moles of each by dividing the mass of each element by its molar mass:
C: (74 / 12) = 6.17
H: (7.4 / 1) = 7.4
N: (8.6 / 14) = 0.61
O: (10 / 16) = 0.625
Now, we take the smallest value to determine the ratio:
C: 10
H: 12
N: 1
O: 1
Thus, the empirical formula can be expressed as
C10H12NO
