Answer:
See below
Step-by-step explanation:
- Hydrogen either reacts with or is formed by reactions with many other elements, so chemists could use it directly to determine their relative masses.
- Hydrogen has the smallest atomic mass, so it was convenient to give H a relative atomic mass of 1 and assign those of other elements as multiples of this number.
The O = 16 scale became the standard in 1903 and carbon-12 was chosen in 1961.
The distance covered will be:
The correct answer is
D).
Momentum = mass x velocity 750x25 = 18750 kg-m/s.
Answer:
The pH of the solution is 8.0.
Explanation:
taking the test rn
