the bonds that keep the molecules together break apart and form new bonds during chemical reactions.
Number of ions in the third beaker:
4 Cl⁻ ions
5 Na⁺ ions
1 OH⁻ ion
Explanation:
If you mix the backers the following chemical reaction will occur:
HCl + NaOH → NaCl + H₂O
In the ionic form you write the equation:
H⁺ (aq) + Cl⁻ (aq) + Na⁺ (aq) + OH⁻ (aq) → Cl⁻ (aq) + Na⁺ (aq) + H₂O (l)
where:
(aq) - aqueous (dissolved in water)
(l) - liquid
Number of ions in the first beaker:
4 Cl⁻ ions
4 H⁺ ions
Number of ions in the second beaker:
5 Na⁺ ions
5 OH⁻ ions
Number of ions in the third beaker:
4 Cl⁻ ions
5 Na⁺ ions
1 OH⁻ ion
The rest of H⁺ and OH⁻ ion reacted to form water.
Learn more about:
ions
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19. The
metallic properties that are caused by atoms rolling over each other in
metallic bonds are malleability and ductility. The atoms that are being rolled
over are delocalized electrons in the sea of electrons in the metallic bond
enable them to roll over when stress is applied.
<span>
20. </span><span>The
following scenarios that accurately describes a condition in which resonance
can occur is vibrating tuning fork is struck and begins to vibrate as the
object used to strike it is placed away from the tuning fork.</span><span>
*</span>
Answer:
C₅H₈O₂
Explanation:
methyl methacrylate = 100 amu
6.91g CO₂ = 0.157 moles
2.26g H₂O = 0.125 moles
0.157 ÷ 0.125 = 1.256
{(CO₂)₁.₂₅₆ + (H₂O)₁} × 4 = (CO₂)₅ + (H₂O)₄
C₅H₈O?
C₅ = 60.05 amu H₈ = 8.064 amu
60.05 + 8.064 = 68.114 amu
100 amu - 68.114 amu = 31.886 amu
O = 16 amu
O = 2
The answer is b.gold can’t really explain but the answer is b.
