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Semmy [17]
2 years ago
11

How many fluoride ion (F-1) are needed to balance a lead (IV) ion (Pb+4)?

Chemistry
2 answers:
mash [69]2 years ago
4 0
If your lead (IV) has a charge of +4 and the fluorine has a -1 then you would need 4 F-1 to balance the +4 charge.
PbF4
salantis [7]2 years ago
3 0
3

Pb2F3

nnnnnnnnnnnnnnn
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bija089 [108]

Answer:

b) Baking soda

Explanation:

Baking soda is sodium hydrogen carbonate, NaHCO₃.

It reacts with water according to the equation

NaHCO₃ + H₂O ⇌ H₂CO₃ + NaOH

Thus, baking soda is a base because it increases the concentration of hydroxide ions in water.

<em>Water</em> is <em>neutral</em>.

<em>Lemon juice</em> is an <em>acid</em> because it contains citric acid.

An <em>insulator </em>is a substance that does not conduct electricity. Insulators are <em>neither acidic nor basic</em>.

3 0
3 years ago
Which is heavier Aluminum (Al) or Iron (Fe)
Fittoniya [83]

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Explanation:

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2 years ago
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The reaction A → B + C is known to be zero order in A with a rate constant of 5.0 × 10–2 mol/L·s at 25°C. An experiment was run
DerKrebs [107]

Answer:

D. 2.5 × 10–4 M

Explanation:

Data given in the question are;

rate constant of 5.0 × 10–2 mol/L·s

[A]0 = 1.0 × 10–3 M

5 × 10–3 sec

It was mentioned that the reaction is a zero order reaction. One interesting charaacteristics about zero order reactio is that the rate of reaction is indepenedent on the concentrations of the reactants.

This means in zero order reactions, we have;

Rate = Rate constant

Rate =  5.0 × 10–2 mol/L·s

What is the concentration of B after 5 × 10–3 sec?

Concentration = Rate * Time

Concentration = 5.0 × 10–2 * 5 × 10–3

Concentration = 2.5 × 10–4 M

Correct option = D

4 0
3 years ago
A student has 2 rubber balls of the same size and weight. Ball A is still and Ball B is rolling.Ball B hits Ball A, and Ball A s
Akimi4 [234]

Answer:

It starts to move because of Newtons first law "An object will not change it's motion unless a force acts on it"

Explanation:

Meaning ball B is that force acting upon ball A

6 0
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Carbon dioxide is produced when dilute hydrochloric acid reacts with
user100 [1]

Carbon dioxide is created when hydrolic is mixed with calcium carbonate.

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