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Romashka [77]
3 years ago
5

The closeness of particles of gas and their low speeds allow intermolecular forces to become important at certain pressures and

temperatures. Which best describes this statement?
Chemistry
2 answers:
boyakko [2]3 years ago
5 0

Answer:

This is a limitation of the kinetic molecular theory

Explanation:

Ipatiy [6.2K]3 years ago
4 0
The statement above is a limitation of the kinetic molecular theory. Kinetic molecular theory is a theory which is based on the assumption that gases are made up of large number of particles which behave like spherical objects in a state of constant, random motion in space. These particles move in a straight path until they collide with another particle or the wall of the container.
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At which of the four labeled points on the titration curve below do you expect to find the highest concentration of hydroxide
Lostsunrise [7]

Answer:

D.

Explanation:

Hydroxide ions are produced when acid reacts with a base under a Ph value of more than 7. Hydroxide ions are negatively charged ions which are released in the aqueous solution during titration process. It a oxygen and hydrogen atom covalent bond.

8 0
3 years ago
A mouse is placed in a sealed chamber with air at 769.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 a
svlad2 [7]

<u>Answer:</u> The amount of oxygen gas consumed by mouse is 0.202 grams.

<u>Explanation:</u>

We are given:

Initial pressure of air = 769.0 torr

Final pressure of air = 717.1 torr

Pressure of oxygen = Pressure decreased = Initial pressure - Final pressure = (769.0 - 717.1) torr = 51.9 torr

To calculate the amount of oxygen gas consumed, we use the equation given by ideal gas which follows:

PV=nRT

where,

P = pressure of the gas = 51.9 torr

V = Volume of the gas = 2.20 L

T = Temperature of the gas = 292 K

R = Gas constant = 62.364\text{ L. Torr }mol^{-1}K^{-1}

n = number of moles of oxygen gas = ?

Putting values in above equation, we get:

51.9torr\times 2.20L=n\times 62.364\text{ L. Torr }mol^{-1}K^{-1}\times 292K\\\\n=\frac{51.9\times 2.20}{62.364\times 292}=0.0063mol

To calculate the mass from given number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Moles of oxygen gas = 0.0063 moles

Molar mass of oxygen gas = 32 g/mol

Putting values in above equation, we get:

0.0063mol=\frac{\text{Mass of oxygen gas}}{32g/mol}\\\\\text{Mass of oxygen gas}=(0.0063mol\times 32g/mol)=0.202g

Hence, the amount of oxygen gas consumed by mouse is 0.202 grams.

5 0
3 years ago
List 3 ways you interact with geomagnetism in your life.
nata0808 [166]

Answer:

anwer is c

Explanation:

7 0
3 years ago
Reactions rates for reactions occurring in solution can be increased by increasing the concentration of the solution. With gases
LUCKY_DIMON [66]
"Increase Pressure " is the right answer. if you need help , let me know
4 0
3 years ago
what will be the new volume of a 250mL sample of gas at 300 k and 1 atm if heated to 350 k at 1 atm law use:
Art [367]

Answer:

292 mL

Step-by-step explanation:

The pressure is constant.

The only variables are volume and temperature, so we can use <em>Charles’ Law.</em>

V₁/T₁ = V₂/T₂     Multiply each side by T₂

V₂ = V₁ × T₂/T₁

V₁ = 250 mL; T₁ = 300 K  

V₂ = ?;           T₂ =  350 K

V₂ = 250 × 350/300

V₂ = 292 mL

5 0
3 years ago
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