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Natasha2012 [34]

4 years ago

6

A gas contained in a piston cylinder assembly undergoes a process from state 1 to state 2 defined by the following relationship

and given properties. Determine the final volume (V2) of the gas.P*V

1 answer:

ad-work [718]4 years ago

7 0

Answer:

V2 = 1/4

Explanation: P1 = 1; P2 = 2; V1 = 1/2; V2 = ?

P1*V1 = P2*V2

∴ V2 = P1*V1/P2 = {1 X 1/2}/2 = 1/4

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How many grams of solute are needed to order to prepare 100.00 mL of a 0.1000 M solution of a compound with a molecular weight o

Troyanec [42]

The grams of solute are required.

The mass of solute is 3.5 g

c = Molarity = 0.1 M

M = Molar mass = 350 g/mol

V = Volume of solution = 100 mL = 0.1 L

n = Number of moles

m = Mass of solute

Molarity is given by

$c=\dfrac{n}{V}\\\Rightarrow n=cV\\\Rightarrow n=0.1\times 0.1\\\Rightarrow n=0.01\ \text{moles}$

Molar mass is given by

$M=\dfrac{m}{n}\\\Rightarrow m=Mn\\\Rightarrow m=350\times 0.01\\\Rightarrow m=3.5\ \text{g}$

The mass of solute is 3.5 g

Learn more:

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7 0

2 years ago

Read 2 more answers

Predict whether each of the following ionic compounds is soluble in water: a.) LiCl d.) K2 ____________________ ________________

IrinaVladis [17]

Answer:

See answer below

Explanation:

a.) Lithium Chloride, LiCl is soluble in water.

b.) Silver Chloride, AgCl is insoluble in water.

c.) Barium Carbonate, BaCO3 is insoluble in water.

d.)Potassium, K2 is soluble in water.

e.) Iron (III) Nitrate Fe(NO3)3 is soluble in water.

All nitrates (NO3) are soluble in water.
Alkali metals are soluble in water.
Chlorides are soluble in water with the exception of AgCl and a few others.
Carbonates are generally insoluble in water.

6 0

3 years ago

Which of the following pairings usually forms molecular compounds?

nikdorinn [45]

A nonmetal and a nonmetal will make molecular compounds like H2O and CO2

7 0

3 years ago

A solid was found to be highly soluble in water. Treating separate portions of a solution of this solid with aqueous solutions o

chubhunter [2.5K]

Answer:

c. $Li_2CO_3$

Explanation:

Hello,

Due to the fact that an odorless gas was released, the chemical reaction between lithium carbonate and a random acid (for instance hydrochloric acid) turns out into:

$Li_2CO_3(s)+2HCl(aq)-->2LiCl(aq)+CO_2(g)+H_2O(l)$

It is known that carbonic acid is unstable and it quickly decomposes into water and carbon dioxide which is an odorless gas. In spite of the fact that the $PbSO_3$ releases $SO_2$ it isn't the solid since that gas is odorous.

Best regards.

3 0

3 years ago

How much mass does 1 mol of Oz gas have?

pochemuha

Answer:

31.998, i'm pretty sure.

Explanation:

3 0

3 years ago