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polet [3.4K]
3 years ago
10

An insulated tank having a total volume of 0.6 m3 is divided into two compartments. Initially one compartment contains 0.4 m3 of

hydrogen (H2) at 127°C, 2 bar and the other contains nitrogen (N2) at 27°C, 4 bar. The gases are allowed to mix until an equilibrium state is attained. Assuming the ideal gas model with constant specific heats, determine

Chemistry
1 answer:
Bess [88]3 years ago
3 0

Answer:

See explaination

Explanation:

In order to have the detailed and step by step solution of the given problem, check or see the attached files.

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How many liters of a 4M solution can be made using 100 grams of LiBr?
REY [17]

Answer:

volume = 0.288 L

Explanation:

To find the volume, you need to (1) convert grams LiBr to moles LiBr (via molar mass) and then (2) calculate volume (via molarity equation). It is important to arrange the ratios in a way tat allows for the cancellation of units (desired units in the numerator).

<u>(Step 1)</u>

Molar Mass (LiBr): 6.9410 g/mol + 79.904 g/mol

Molar Mass (LiBr): 86.845 g/mol

100 grams LiBr           1 mole
-----------------------  x  ------------------  =  1.15 moles LiBr
                                  86.845 g

<u>(Step 2)</u>

Molarity (M) = moles / volume (L)

4 M = 1.15 moles / volume

(4 M) x volume = 1.15 moles

volume = 1.15 moles / 4 M

volume = 0.288 L

3 0
2 years ago
A compound consists of 40.00% C, 6.713% H and 53.28% O on a mass basis and has a molar mass of about 180 g/mole. Determine the m
aleksandr82 [10.1K]

Answer:

The molecular formula of the compound is C_6H_{12}O_6.

Explanation:

Let the molecular formula of the compound is C_xH_{y}O_z.in

Molar mass of compound = 180 g/mol

Number of carbon atom = x

Number of hydrogen atom = y

Number of oxygen atom = z

Atomic mass of carbon = 12 g/mol

Atomic mass of hydrogen = 1 g/mol

Atomic mass of oxygen = 16 g/mol

Percentage of element in compound :

=\frac{\text{number of atoms}\times \text{Atomic mass}}{\text{molar mas of compound}}\times 100

Carbon :

40.00\%\%=\frac{x\times 12g/mol}{180 g/mol}\times 100

x = 46

Hydrogen :

6.713\%=\frac{y\times 1 g/mol}{180 g/mol}\times 100

y = 12

Oxygen:

53.28\%=\frac{z\times 16 g/mol}{180 g/mol}\times 100

z = 5.99 ≈ 6

The molecular formula of the compound is C_6H_{12}O_6.

5 0
3 years ago
How can you explain therma expansion in terms of kinetic energy ? please help
nata0808 [166]

Answer:  

Heat causes the molecules to move faster (heat energy is converted to kinetic energy), which means that the volume of a solid or a liquid. ... The particles in the air do not have more kinetic energy than particles in the mercury, because they are the same.

Explanation:

I hope this help you!

7 0
3 years ago
I will give Brainliest and 30 points to whoever answers first!
Rom4ik [11]

3,5, and 1 i think maybe i uhm yeah

7 0
3 years ago
pls help me guys please please please please please please please please please please please please please please please please
nlexa [21]

5) B

6) C

7) B newland, law of octaves

8) A)

6 0
3 years ago
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