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weqwewe [10]
3 years ago
14

When Pb and AlCl3 react together, lead (Pb) can replace aluminum (Al) in the compound because lead is lower on the activity seri

es. T/F
Chemistry
2 answers:
Andre45 [30]3 years ago
8 0
False. Pb is lower than Al in the reactivity series. It cannot replace aluminium in AlCl3
jeka57 [31]3 years ago
3 0

<u>Answer:</u> The correct answer is False.

<u>Explanation:</u>

Single displacement reactions are defined as the reactions in which more reactive element replaces a less reactive element from its chemical reaction.

A+BC\rightarrow AC+B

A is more reactive element than reactive B.

The reactivity of metals is judged by the series known as reactivity series. Elements lying above in the series are more reactive than the elements lying below in the series.

For the reaction between lead and aluminium chloride, the reaction does not take place because lead lies below in the reactivity series than aluminium. Hence, lead cannot displace aluminium from its chemical reaction.

Pb+AlCl_3\rightarrow \text{No reaction}

Hence, the correct answer is False.

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bearhunter [10]

Answer:

da fu

Explanation:

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6 0
3 years ago
Read 2 more answers
75 mL of water is added to a 360 mL solution of acetic acid with a concentration of 0.87 M. Determine the molarity of the new so
kramer

Answer:

The molarity of the new solution is 0.72 M

Explanation:

Step 1: Data given

Volume of the original solution = 360 mL =.360 L

Molarity = 0.87 M

We add 75 mL = 0.075 L

Step 2: Calculate moles

Moles = molarity * volume

Moles = 0.87 M * 0.360 L

Moles = 0.3132 moles

Step 3: Calculate new molarity

The number of moles stays constant

Molarity = moles / volume

Molarity = 0.3132 moles / (0.36+0.075)

Molarity = 0.3132 moles / 0.435 L

Molarity = 0.72 M

The molarity of the new solution is 0.72 M

3 0
3 years ago
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erastovalidia [21]

C. the denser the plants the better.

Answer:

C

7 0
3 years ago
Read 2 more answers
If you start with 3 moles of sodium and 3 moles of chlorine to produce sodium chloride, what is the limiting reagent?(you will n
Harman [31]

Sodium(Na) is the limiting reagent.

<h3>What is Limiting reagent?</h3>

The reactant that is totally consumed during a reaction, or the limiting reagent, decides when the process comes to an end. The precise quantity of reactant required to react with another element may be estimated from the reaction stoichiometry.

How do you identify a limiting reagent?

The limiting reactant is the one that is consumed first and sets a limit on the quantity of product(s) that can be produced. Calculate how many moles of each reactant are present and contrast this ratio with the mole ratio of the reactants in the balanced chemical equation to get the limiting reactant.

Start by writing the balanced chemical equation that describes this reaction

2Na_{(s)} + Cl_{2 (g)} -- > 2NaCl_{(s)}

Notice that the reaction consumes 2 moles of sodium metal for every 1 mole of chlorine gas that takes part in the reaction and produces 2 moles of sodium chloride.

now we can see that we have 3 moles of sodium and 3 moles of chlorine, according to question. so, we can say that sodium is the limiting reagent in the given situation.

to learn more about Limiting Reagent go to - brainly.com/question/14222359

#SPJ4

4 0
1 year ago
What factors affect the geometry of a molecule?
natali 33 [55]

The factors that affect geometry of a molecule are

> The number of bonding electron pairs around the central atom.

> The number of pairs of non-bonding ("lone pair") electrons around the central atom.

4 0
3 years ago
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