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3 years ago

You can compress a substances in the gas state, but not in the solid or liquid state. Use the particle theory to explain why？

Chemistry

2 answers:

Cloud [144]3 years ago

4 0

Answer:

we can compress gas instead of liqued or solid because it contains a lot of space between its particles.

Explanation:

particles of gases are far apart from each other and there motion are irregular as well, due to the free free space gases can be expressed.

LekaFEV [45]3 years ago

3 0

Answer:

Because there is lots of free space between particles, gases can easily be compressed. Because there aren't many particles in a large volume, gases have very low densities typically 1000 times less than in their condensed state as solid or liquid at atmospheric temperature and pressure.

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3 years ago

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Which electromagnetic wave has the shortest

kaheart [24]

Answer:

1.Gamma Rays

2. Infrared

3. Radio Waves

Explanation:

Radio waves have the longest wavelength, and gamma rays have the shortest wavelength.

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3 years ago

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93.2 mL of a 2.03 M potassium fluoride (KF) solution is diluted with 3.92 L of water.

pishuonlain [190]

Answer:

0.047 M

Explanation:

Given data:

Volume of KF = 93.2 mL

Molarity of KF = 2.03 M

volume of water added= 3.92 L

Solution:

First of all we will calculate the number of moles of KF.

number of moles = Molarity × volume in litter

number of moles = 2.03 mol/L × 0.0932 L

number of moles = 0.189 mol

Molarity of solution:

Total volume = 3.92 L + 0.0932 L = 4.0132 L

Molarity = number of moles / volume in litter

Molarity = 0.189 mol/ 4.0132 L

Molarity = 0.047 M

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4 years ago

The mole fraction of CO2 in a certain solution with H2O as the solvent is 3.6 × 10−4. What is the approximate molality of CO2 in

nataly862011 [7]

Answer: C) 0.020 m

Explanation:

Molality of a solution is defined as the number of moles of solute dissolved per kg of the solvent.

$Molality=\frac{n\times 1000}{W_s}$

where,

n = moles of solute

$W_s$ = weight of solvent in g

Mole fraction of $CO_2$ is = $3.6\times 10^{-4}$ i.e. $3.6\times 10^{-4}$ moles of $CO_2$ is present in 1 mole of solution.

Moles of solute $(CO_2)$ = $3.6\times 10^{-4}$

moles of solvent (water) = 1 - $3.6\times 10^{-4}$ = 0.99

weight of solvent = $moles\times {\text {Molar mass}}=0.99\times 18=17.82g$

Molality = $\frac{3.6\times 10^{-4}\times 1000}{17.82g}=0.020$

Thus approximate molality of $CO_2$ in this solution is 0.020 m

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4 years ago

The element europium exists in nature as two isotopes: 151eu has a mass of 150.9196 amu, and 153eu has a mass of 152.9209 amu. t

Ratling [72]

Two isotopes of europium are 151eu and 153eu

Mass of 151eu = 150.9196 amu

Mass of 153eu = 152.9209 amu

Average atomic mass = 151.96 amu

Let x and y are the relative abundance of two isotopes of europium are 151eu and 153eu

So, x% times 150.9196 + y% times 152.9209 = 151.96

x150.9196 + y152.9209 = 151.96

And x + y = 100% = 1, from here x = 1 – y and y = 1 - x

Solve these equation by substitution,

By replacing x = 1-y, we get

(1-y)150.9196 + y152.9209 = 151.96

150.9196 – 150.9196y + y152.9209 = 151.96

2.0013y = 1.0404

Y =0.5199 = 51.99%

Using the value of y we get,

X = 1-y = 1-51.99 = 0.4801 = 48.01%

<span>So, relative abundance of two isotopes of europium are 151eu and 153eu are 48.01% and 51.99% respectively</span>

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3 years ago

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You can compress a substances in the gas state, but not in the solid or liquid state. Use the particle theory to explain why？​

You can compress a substances in the gas state, but not in the solid or liquid state. Use the particle theory to explain why？