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2 years ago

14. How many liters would 5 moles of oxygen gas take up?

Chemistry

2 answers:

andrew-mc [135]2 years ago

8 0

Answer:

a 0.22L

Explanation:

bija089 [108]2 years ago

3 0

Answer:

Explanation:

1 moles of oxygen is 0.044L

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A container of carbon dioxide has a volume of 240 mL at a temperature of 22°C. If the pressure remains constant, what is the vol

astraxan [27]

Answer:

Volume of the $CO_{2}$ gas at 44°C is 258 ml.

Explanation

here,

using Charles' law ,

$\frac{V}{T} =\frac{v}{t}$

where , V= initial volume v= final volume

T=initial temperature t = final temperature

Given - pressure is constant ,

so , putting the values -

V= 240ml

T= 22 + 273K = 295K (since converting celsius into kelvin that

is +273K )

v =?

t = 44+ 273K = 317K

Now , putting the given values in charles' law ,

$\frac{240ml}{295K} =\frac{v}{317K}$

240ml x317K = v x 295K (through cross multiplication )

v = $\frac{240ml\times317K}{295K}$

= 258ml .

thus , the volume of carbon dioxide in a container at 44°C IS 258ml .

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3 years ago

Who Discovered the neutral subatomic particles called neutrons

irina1246 [14]

James CHadwick discovered the subatomic particles caled neutrons

5 0

3 years ago

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Player agency is limited to video games; there’s no real agency in a game like Chess or Poker. True False

andreev551 [17]

Answer:

False.

Explanation:

"Player agency is about giving players the interactivity to affect and change the game world." Any move a player makes in Chess or Poker quite literally affects the game.

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2 years ago

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Give the relation of energy (E) and frequency (v) as given by Planck. Calculate the frequency and energy of a photon of radiatio

andrew-mc [135]

Solution:-1

$\\ \sf\longmapsto E=hv$

E denotes to Energy
h denotes to planks constant
v denotes to frequency.

Solution:-2

Wavelength=3000Å

$\boxed{\sf \lambda=\dfrac{c}{v}}$

$\\ \sf\longmapsto v=\dfrac{c}{\lambda}$

$\\ \sf\longmapsto v=\dfrac{3\times 10^8m/s}{3000\times 10^{-10}m}$

$\\ \sf\longmapsto v=0.001\times 10^{18}s^{-1}$

$\\ \sf\longmapsto v=1.0\times 10^{15}s^{-1}$

Now

$\\ \sf\longmapsto E=hv$

$\\ \sf\longmapsto E=6.626\times 10^{-34}Js\times 1.0\times 10^{15}s^{-1}$

$\\ \sf\longmapsto E=6.6\times 10^{-19}J$

4 0

2 years ago

What is Pka of an acid plz define briefly?

Yakvenalex [24]

The term "pKa" is a measure of the strength of an acid in solution. It is defined as the negative base 10 log of the acid dissociation constant. A lower pKa value indicates a stronger acid and A higher pKa value indicates a weaker acid

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2 years ago