Answer:
107.55 J, 88.67 cal
Explanation:
1 Joule = 0.239 Calories
450 cal x 0.239 = 107.55 J
3.5 x 106 = 371
371 J = 371 x 0.239 cal
371 J = 88.67 cal
Answer:
what? Explain to meh. who is tom macdonald
Answer:
Explanation:
Carbon dioxide CO₂ is an acidic gas.
Most oxides of non-metals are acidic gases and they behave like a true acid in solution. They have all properties of an acid in this regard.
When CO₂ solution is formed, a carbonic acid is produced. This is a weak acid:
CO₂ + H₂O ⇄ H⁺ + HCO₃⁻
Answer:
7.52767607125× 10^23 atoms
Explanation:
The Avogadro number/constant indicates that they are 6.022140857 × 10^23 number of units (atoms) in one mole of any substance. Therefore, in this case, ti find the number of atoms in 1.25 moles of calcium acetate, well multiply the two number;
6.022140857 × 10^23 * 1.25 = 7.52767607125× 10^23
