Answer:
17%
Explanation:
Given parameters:
Atomic mass of nickel isotope = 57.9g/mol
Experimental value of atomic mass = 59.6g/mol
Unknown:
Percentage error in the measurement.
Solution:
The percentage error shows how much uncertainty was introduced into a measurement. To calculate this, we simply use the expression below:
Percentage error =
Percentage error = x 100 = 17%
Indeed they are. The uranium atoms have separate numbers of neutrons in their nuclei, but still have the same number of protons.
Answer: The answer is 9.8 m/s^2 south
Explanation:
A pure substance that cannot be separated into simpler substances by physical or chemical means. A pure substance composed of two or more elements that are chemically combined.
Answer: 14 mph
Explanation: All you need to do is divide the total miles by the total hours to find the average speed per mile.