Density = Mass/Volume
d = .254/129.4
The answer is C. Condensation is a <span>change from a less condensed to a more condensed state of matter. It is a phase change from the gas state to liquid state. The gas is the less condensed state and the liquid is the more condensed state as compared to gas.</span>
The number of lone pairs that are most likely found on the central atom is zero. There are no lone pairs found on the central atom.
Answer:
2.26 × 10²⁴ atoms of Fe
Explanation:
To calculate the amount of atoms of a substance using the amount of moles, we must multiply by Avagadro's number.
(3.75mol) × (6.02 × 10²³) = 2.26 × 10²⁴ atoms of Fe
Answer:
Non-zero digits are always significant.
Any zeros between two significant digits are significant.
A final zero or trailing zeros in the decimal portion ONLY are significant. If a number ends in zeros to the right of the decimal point, those zeros are significant.
Explanation:
1.138 has 4 significant figures, which are 1, 1, 3 and 8. The numbers after the decimal point are decimals and are significant figures.
