Acceleration (change of movement) of an object is dependent on the net force acting on it and its mass.
The relationship between acceleration (a), force (f) and mass (m) is given by the Second Lay of Newton: f = m * a.
Note that the force, f, is the net force acting on the objetct.
I hope this help you.
Answer:
A) Neutral.
Explanation:
Protons are positively charged and electrons are negatively charged, while neutrons have no charge. In a "neutral atom", the number of protons must be equal to the number of electrons, otherwise it would not be neutral.
Hope this helps! :)
First we dissociate the salt
NaOCl ⇒ Na⁺ + OCl⁻
note that [NaOCl] = [OCl⁻]
note that Na⁺ does not undergo hydrolysis so it is a spectator.
OCl⁻ can reform HOCl in an equilibrium, with OCl⁻ acting as the base.
OCl⁻ + H₂O ⇄ OH⁻ + HOCL
<span>Ka for HOCl = 3.0x10^-8, therefore
Kb for OCL</span>⁻ = Kw / (Ka for HOCl)
= 1.0 × 10⁻¹⁴ / 3.0 <span>× 10⁻⁸
= 3.3 × 10⁻⁷
</span>since Kb for OCl⁻ is given, and the pH is given, then [OCl⁻] must be found, and [OCl⁻] = [NaOCl]
convert the pH into [OH⁻]:
pOH = 14 - pH = 14 - 10.3 = 3.7
[OH⁻] = 10^(-3.7) = 1.995 × 10⁻⁴
set up equib table
OCl⁻ + H₂O ⇄ OH⁻ + HOCl
ST x 0 0
+Δ -1.995 × 10⁻⁴ +1.995 × 10⁻⁴ +1.995 × 10⁻⁴
---------------------------------------------------------------------------------
EQ: x -1.995 × 10⁻⁴ 1.995 × 10⁻⁴ 1.995 × 10⁻⁴
Kb = [OH⁻][HOCl] / [OCl⁻]
3.3 × 10⁻⁷ = (1.995 × 10⁻⁴)² / (x -1.995 × 10⁻⁴ )
x = 1.1963 × 10⁻¹ M = [OCl⁻] = [NaOCl]
The concentration of the salt formed, <span>NaOCl,</span> is 1.2 × 10⁻¹ M
The neutralization of the base with an acid will result to the formation of salt and water. In this case, a mole of strong acid will have one halide that will react with the Na atom. Since there are two Na atoms in each of the molecule of Na2HPO4, this will need 2 halide atoms.
