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djyliett [7]
3 years ago
5

Reactions rates for reactions occurring in solution can be increased by increasing the concentration of the solution. With gases

you can do something similar, which is to -
Chemistry
1 answer:
LUCKY_DIMON [66]3 years ago
4 0
"Increase Pressure " is the right answer. if you need help , let me know
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Which of the following is not a feature of iron (III) oxide?
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B for sure, considering iron oxide is just fancy for rust.

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How many moles of magnesium is 3.01 x 1022 atoms of magnesium?
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It equals 3076.22. i hope that helped.
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I need help click the image please help
Viefleur [7K]

Answer:

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a plant cell

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2 years ago
Aspirin can be prepared from salicylic acid ( C 7 H 6 O 3 CX7HX6OX3), which has a molar mass of 138.12 g/mol, and acetic anhydri
pychu [463]

Answer: The theoretical yield of aspirin is 4.14 g

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}  \text{Moles of salicylic acid}=\frac{3.20g}{138.12g/mol}=0.023moles

mass of acetic anhydride = density\times volume =1.082g/ml\times 3.71ml=4.01g

\text{Moles of acetic anhydride}=\frac{4.01g}{102.04g/mol}=0.039moles

C_9H_6O_3+C_4H_6O_3\rightarrow C_9H_8O_4+C_2H_3O_2  

According to stoichiometry :

1 mole of salycylic acid require 1 mole of acetic anhydride

Thus 0.023 moles of  salycylic acid require=\frac{1}{1}\times 0.023=0.023moles  of acetic anhydride

Thus salycylic acid is the limiting reagent as it limits the formation of product and acetic anhydride is the excess reagent.

As 1 mole of salycylic give = 1 mole of aspirin

Thus 0.023 moles of salycylic acid give =\frac{1}{1}\times 0.023=0.023moles  of aspirin

Mass of aspirin = moles\times {\text {Molar mass}}=0.023moles\times 180.15g/mol=4.14g

Thus theoretical yield of aspirin is 4.14 g

4 0
3 years ago
Which is a density independent factor limiting popultion growth
shusha [124]

The amount the amount of space a population has to grow in would be a limiting factor.


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3 years ago
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