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3 years ago

Compare and contrast the functions of each of the following types of flasks: filter, Erlenmeyer, volumetric.

1 answer:

4 0

The Erlenmeyer Flask was introduced in 1861 by German chemist Emil Erlenmeyer and is shaped like a cone. This has a triangular shape and mouth wide for it to be easier to pour and store liquids. The Volumetric flask is used for preparing liquids with volumes of high precision. It has a pear-shaped body and a long neck with a circumferential fill line. The Filter Flask is also known as the A Büchner flask. It is like the Erlenmeyer but this one is thick-walled and has a special arm in the side. It is used for filtering liquid.

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Fill in the blanks and balance with the correct coefficient

MrRissso [65]

$\huge\mathrm{ \underline{Answer}}࿐$

The Balanced equation will be :

$\mathrm{ \boxed2Fe + \boxed3Cl_2 \rightarrow \boxed2FeCl_3}$

The Coefficients are :

$Fe - 2$

$Cl_2 - 3$

$FeCl_3 - 2$

_____________________________

$\mathrm{ \#TeeNForeveR}$

4 0

3 years ago

What is the mass of 0.513 mol Al2O3? Give your answer to the correct number of significant figures. (Molar mass of Al2O3 = 102.0

prisoha [69]

.513mol x (102g/1mol)

Essentially, this is .513 x 102
Which equals: 52.326
But because you can only have 3 significant figures, your answer is:
52.3 grams

I hope this Helps!

7 0

3 years ago

Read 2 more answers

1.- Ilumina de amarillo los verbos en pretérito y de verde los verbos en copretérito.

ivanzaharov [21]

Answer:

Pretérito (Pretérito perfecto):

estiró, sudó, peleó, compartí

Copretérito (Pretérito imperfecto):

saludaba, pedias, leia, compraba, barrias, cargaba, estrenabas, escribian

Explanation:

Los verbos en pretérito, también llamado pretérito perfecto, son los siguientes:

estiró, sudó, peleó, compartí

Como se aprecia, los verbos conjugados en pretérito perfecto terminan la última sílaba en vocal con acento, es decir, -á, -é, -í u -ó.

Los verbos en copretérito, también llamado pretérito imperfecto, son los siguientes:

saludaba, pedias, leia, compraba, barrias, cargaba, estrenabas, escribian

Como se aprecia, los verbos conjugados en pretérito imperfecto terminan la última sílaba en -ía, ías, -ían, -aba, -abas o -aban.

3 0

3 years ago

How many ml of a 0.50m solution of hno3 solution are needed to make 500 ml of 0.15m hno3

Anna71 [15]

Answer:

150.0 mL.

Explanation:

It is known that the no. of millimoles of HNO₃ before dilution = the no. of millimoles of HNO₃ after dilution.

∵ (MV) before dilution = (MV) after dilution.

∴ V before dilution = (MV) after dilution / M before dilution = (0.15 M)(500.0 mL)/(0.50 M) = 150.0 mL.

7 0

3 years ago

Which action does the executive branch take as part of the government spending process? A.Executive branch agencies meet with Co

12345 [234]

The correct answer is C. Executive branch agencies plan their fiscal budgets for the year. (Apex)

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3 years ago

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