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Airida [17]
3 years ago
10

What is the compound with sodium and bromine called?

Chemistry
2 answers:
VARVARA [1.3K]3 years ago
5 0
The compound sodium and bromine is called NaBr
kykrilka [37]3 years ago
4 0

Answer:

Sodium Bromide

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Aspirin (C9H8O4) may be synthesized by mixing salicylic acid (C7H6O3) with excess acetic anhydride (C4H6O3).
diamong [38]

Answer:

65.18% is the percent yield for this reaction.

Explanation:

C_7H_6O_3 + C_4H_6O_3\rightarrow C_9H_8O_4 + C_2H_4O_2

Moles of salicyclic acid = \frac{2.0 g}{138 g/mol}=0.01449 mol

According to reaction 1 mole of salicyclic acid gives 1 mole of aspirin .

Then 0.01449 mole of salicylic acid will give :

\frac{1}{1}\times 0.01449 mol=0.01449 mol of asprin

Mass of 0.01449 moles of aspirin :

= 0.01449 mol × 180 g/mol = 2.6082 g

Theoretical yield of aspirin = 2.6082 g

Experimental yield of aspirin = 1.7 g

The percent yield for this reaction:

\%(Yield)=\frac{\text{Experimental yield}}{\text{Theoretical yield}}\times 100

=\frac{1.7 g}{2.6082 g}\times 100=65.18\%

65.18% is the percent yield for this reaction.

5 0
3 years ago
1.rain pours from the sky
kogti [31]

Answer:

1.Precipitation

2.Transpiration

3.Condensation

4.Evaporation

5.Evaporation

3.Condensation

Explanation:

Rain pours from the sky occurs due to the process of precipitation, leaves of the plant dried due to the process of transpiration in which the water is evaporated from the body of plant, fluffy clouds form in the sky occurs in the process of condensation, bathing suit dries after swim is due to evaporation in which water is removed and goes into the atmosphere and water puddles disappear due to the process of evaporation. Evaporation is the removal of water from the any surface whereas transpiration is the removal of water from plant body parts.

7 0
3 years ago
What is the lowest temperature that a subtance can reach
Damm [24]

Answer: Theoretically: Absolute Zero

Explanation:

which is about -273.15 degrees Celsius

3 0
3 years ago
The molar solubility of zns is 1.6 Ã 10-12 m in pure water. Calculate the ksp for zns.
Oksi-84 [34.3K]

Answer:

The solubility product of zinc sulfide is 2.56\times 10^{-24}.

Explanation:

Solubility of the zinc sulfide = S=1.6\times 10^{-12}

ZnS\rightleftharpoons Zn^{2+}+S^{2-}

                S        S

The expression of solubility product is given by :

K_{sp}=[Zn^{2+}]\times [S^{2-}]

K_{sp}=S\times S=S^2

=1.6\times 10^{-12}\times 1.6\times 10^{-12}=2.56\times 10^{-24}

The solubility product of zinc sulfide is 2.56\times 10^{-24}.

5 0
3 years ago
Which of the following choices identifies the forms of mechanical energy?
WITCHER [35]
Kinetic and potential energy would be the correct answer to your question
3 0
3 years ago
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