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4 years ago

List three possible results of a double replacement reaction

Chemistry

1 answer:

Naddik [55]4 years ago

8 0

1. two compounds form
2. precipitate forms
3. ions exchanged between the two reactants

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The melting point of unknown substance A is 15°C and its boiling point is 95°C. Sketch a

Igoryamba

Answer:

Idk if this is right but i hope it helps... sorry if it's wrong

Explanation:

4 0

3 years ago

Use the following table to answer the question. Strong acids Weak acids Weak bases Strong bases HBr CH3COOH NH3 NaOH HCl HF NH4O

Y_Kistochka [10]

Answer: The salt which has the highest pH is $CH_3COONa$

Explanation: Salts are formed by the reaction of acid and base. General equation for the generation of salt is given by:

$HX+BOH\rightarrow BX+H_2O$

The given salts are formed from the reaction of acids and bases.

1) $K_2SO_4$

This is a salt formed by the reaction of strong base (KOH) and strong acid $(H_2SO_4)$ . So, this salt is a neutral salt.

$H_2SO_4+2KOH\rightarrow K_2SO_4+2H_2O$

2) $CuSO_4$

This is a salt which is formed by the reaction of weak base $(Cu(OH)_2)$ and strong acid $(H_2SO_4)$ . So, this salt is an acidic salt.

$H_2SO_4+Cu(OH)_2\rightarrow CuSO_4+2H_2O$

3) $NH_4Cl$

This is a salt which is formed by the reaction of weak base $(NH_3)$ and strong acid (HCl). So, this salt is an acidic salt.

$HCl+NH_3\rightarrow NH_4Cl$

4) $CH_3COONa$

This is a salt which is formed by the reaction of strong base (NaOH) and weak acid $(CH_3COOH)$ . So, this salt is a basic salt.

$CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O$

Now, we have to find the salt which has the highest pH value.

Highest pH value means that the salt must be basic in nature and from the given salts, only $CH_3COONa$ is basic salt. Hence, this salt has the highest pH value.

6 0

3 years ago

Read 2 more answers

Mention the type of<br> Reaction common<br> to organic compound-

Anna11 [10]

Answer:

addition reactions, elimination reactions, substitution reactions, pericyclic reactions, rearrangement reactions, photochemical reactions and redox reactions

6 0

2 years ago

Obtain the valence shell configuration of Al and S from their positions in the periodic table.

lutik1710 [3]

Answer:

Al: 3

S: 6

Explanation:

Al is in Group III. This means that it has 3 valence electrons.

S is in Group VI. This means that it has 6 valence electrons.

I hope this helps :)

3 0

3 years ago

How many grams of h20 are produced if 75g of CO2 are produced. (Work Shown with the answer would be preferred.)

Agata [3.3K]

2:7 ratio of ethane to O2 = 15:x 9solve for x)
x=52.5 mol O2

5 0

3 years ago