3 years ago

A chemist requires 0.358 mol Na2CO3 for a reaction. How many grams does this correspond to?

Chemistry

1 answer:

lidiya [134]3 years ago

3 0

Hopefully this helps. the answer should be 379.43704grams.

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The plunger on a bicycle pump with a 400 mL volume cylinder is

Kobotan [32]

Answer:

The answer to your question is V2 = 66.7 ml

Explanation:

Data

Volume 1 = V1 = 400 ml

Pressure 1 = P1 = 1 atm

Volume 2 = V2 = ?

Pressure 2 = P2 = 6 atm

Process

1.- To solve this problem use Boyle's law

P1V1 = P2V2

-solve for V2

V2 = P1V1 / P2

-Substitution

V2 = (1)(400) / 6

-Simplification

V2 = 400 / 6

-Result

V2 = 66.7 ml

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musickatia [10]

Answer:

$T_2=335.42K=62.27^oC$

Explanation:

Hello,

In this case, by using the general gas law, that allows us to understand the pressure-volume-temperature relationship as shown below:

$\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}$

Thus, solving for the temperature at the end (considering absolute units of Kelvin), we obtain:

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Answer:the answer is C

Explanation:

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