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Nimfa-mama [501]
4 years ago
5

Under certain conditions,the solid and liquid states of water can exist in equilibrium. How are these conditions indicated on th

e phase diagram for water?

Chemistry
1 answer:
Oksi-84 [34.3K]4 years ago
3 0
In a phase diagram that I have attached, the line marked in between ice and water (yellow and blue) is the conditions in which solid (ice) and liquid (Water) can coexist. As the graph shows, solid ice and liquid water coexist most when the temperature is zero, which should make sense since ice melts at 0, and water freezes as well at 0 degrees celsius. 

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Which gas will effuse at the rate closest At a particular pressure and temperature, nitrogen gas effuses at the rate of 79mLs. U
Contact [7]

Answer : The rate of effusion of sulfur dioxide gas is 52 mL/s.

Solution :

According to the Graham's law, the rate of effusion of gas is inversely proportional to the square root of the molar mass of gas.

R\propto \sqrt{\frac{1}{M}}

or,

(\frac{R_1}{R_2})=\sqrt{\frac{M_2}{M_1}}       ..........(1)

where,

R_1 = rate of effusion of nitrogen gas = 79mL/s

R_2 = rate of effusion of sulfur dioxide gas = ?

M_1 = molar mass of nitrogen gas  = 28 g/mole

M_2 = molar mass of sulfur dioxide gas = 64 g/mole

Now put all the given values in the above formula 1, we get:

(\frac{79mL/s}{R_2})=\sqrt{\frac{64g/mole}{28g/mole}}

R_2=52mL/s

Therefore, the rate of effusion of sulfur dioxide gas is 52 mL/s.

4 0
3 years ago
When a pure substance melts does its particles get larger
Lera25 [3.4K]
No,they just separate away from each other
3 0
3 years ago
Select all of the factors that influence GRAVITATIONAL potential energy (Lesson 3.10):
azamat

Answer:

C) Mass

E) Distance from ground

Explanation:

The factors that influence the gravitational potential energy are mass and distance from the ground or height.

Gravitational potential energy is potential energy of a body in relation to that of another under the influence of gravity.

  Mathematically;

      Gravitational potential energy  = mgh

where m is the mass

           g is the acceleration due to gravity

           h is the height

7 0
3 years ago
Read 2 more answers
Sulfur and oxygen form both sulfur dioxide and sulfur trioxide. When samples of these are decomposed, the sulfur dioxide produce
bezimeni [28]

<u>Answer:</u>

<u>For A:</u> The mass of oxygen per gram of sulfur for sulfur dioxide is 0.997 g

<u>For B:</u> The mass of oxygen per gram of sulfur for sulfur trioxide is 1.5 g

<u>Explanation:</u>

  • <u>For A:</u>

The chemical equation for decomposition of sulfur dioxide follows:

SO_2\rigtarrow S+O_2

We are given:

Mass of sulfur = 3.47 g

Mass of oxygen = 3.46 g

To calculate the mass of oxygen per gram of sulfur, we apply unitary method:

For every 3.47 g of sulfur, 3.46 g of oxygen will form.

So, for 1 gram of sulfur, \frac{3.46g}{3.47g}\times 1g=0.997g of oxygen will form.

Hence, the mass of oxygen per gram of sulfur for sulfur dioxide is 0.997 g

  • <u>For B:</u>

The chemical equation for decomposition of sulfur trioxide follows:

2SO_3\rigtarrow 2S+3O_2

We are given:

Mass of sulfur = 5.50 g

Mass of oxygen = 8.25 g

To calculate the mass of oxygen per gram of sulfur, we apply unitary method:

For every 5.50 g of sulfur, 8.25 g of oxygen will form.

So, for 1 gram of sulfur, \frac{8.25g}{5.50g}\times 1g=1.5g of oxygen will form.

Hence, the mass of oxygen per gram of sulfur for sulfur trioxide is 1.5 g

3 0
3 years ago
Determine the number of hydrogen atoms in an alkyne with one carbon–carbon triple bond and 4 carbon atoms.
rewona [7]

Answer:

There are 6 hydrogen atoms.

Explanation:

The formula for an alkyne that has only one triple bond is as follows:

  • CₙH₂₍ₙ₎₋₂

Where n is any natural number greater than 2.

For this problem, n=4. This would mean the formula is:

  • C₄H₂₍₄₎₋₂

Thus

  • C₄H₈₋₂
  • C₄H₆

Thus the answer is 6, there are 6 hydrogen atoms.

4 0
3 years ago
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