Potassium is paramagnetic meaning it is weakly attractive in a magnetic field.
Answer:
The answer to your question is: n = 1.13
Explanation:
Data
Pressure = 1.24 atm
T = 26°C = 299 °K
V = 22.4 l
n = ?
R = 0.082 atm l/ mol °K
Formula
PV = nRT
Process
n =
n = 1.13
Answer:
1.5 mol.
Explanation:
- It is known that every 1.0 mole of compound or element contains Avogadro's number (6.022 x 10²³) of molecules or atoms.
<u><em>Using cross multiplication:</em></u>
1.0 mole of H₂ contains → 6.022 x 10²³ molecules.
??? mole of H₂ contains → 9.03 x 10²³ molecules.
∴ The no. of moles of H₂ contains (9.03 x 10²³ molecules) = (1.0 mol)(9.03 x 10²³ atoms)/(6.022 x 10²³ atoms) = 1.5 mol.
Elements are composed of tiny particles called atoms. Atoms of any one element are different from those of any other element. Atoms of different elements can form compounds by combining in whole-number ratios. Chemical reactions occur when atoms are separated, joined, rearranged.