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DIA [1.3K]
3 years ago
5

Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 15 ∘C.

Chemistry
1 answer:
umka2103 [35]3 years ago
8 0

Answer:

P(oxygen gas) = 3.75atm

P(helium) = 19.2atm

Ptotal = 22.95atm

Explanation:

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isotopes of an element will always have the same a. number of protons. b. number of neutrons. c. number of electrons. d. mass.
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Your answer is same number of protons
3 0
3 years ago
A gas mixture containing oxygen, nitrogen, and carbon dioxide has a total pressure of 32.5 kPa. If Po2 =
HACTEHA [7]

Answer:

A gas mixture containing oxygen, nitrogen, and carbon dioxide has a total pressure of 32.5 kPa.

<u>The pressure for oxygen is 3 kPa</u>

Explanation:

According to Dalton's Law of Partial Pressure total exerted by the mixture of non-reacting gases is equal to sum of the partial pressure of each gas.

P_{total}=P_{1}+P_{2}+P_{3}

So,

For , a gas mixture containing oxygen, nitrogen, and carbon dioxide has a total pressure:

P_{total}=P_{O_{2}}+P_{N_{2}}+P_{CO_{2}}

P_{total} = 32.5kPa

P_{O_{2}} = 6.5kPa

P_{N_{2}} = 23.0kPa

Insert the values in :

P_{total}=P_{O_{2}}+P_{N_{2}}+P_{CO_{2}}

32.5 kPa = 6.5 kPa + 23.0 kPa +P_{CO_{2}}

32.5 kPa = 29.5 kPa +P_{CO_{2}}

P_{CO_{2}}= 32.5 - 29.5

P_{CO_{2}}= 3kPa

6 0
3 years ago
How many grams of O are in 605 g of Na,O?
Elden [556K]

Answer:

2Na2O2+2H2O⟶O2+4NaOH

2×78g                           32g

156g of Na2O2 produces 32g of O2,

12g of Na2O2 produces =15632×12=10.66g.

Density of O2 at NTP=1.428g/mL.

DensityMass=Vol.

1.42810.66=7.46mL

Vol. of O2 at NTP is 7.46mL.

Explanation:

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2 years ago
A block of metal has a volume of 14.0in3 and weighs 5.26lb .
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Mass of block, m = 5.26 lb  
1 lb = 453.592 g
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V = 14 in3
 1 in = 2.5 cm
 1 in3 = 15.625 cm3
 14 in3 = 218.75 cm3


Density = mass/volume
 = 2358.896 / 218.75
 = 10.783 g/cm3
6 0
3 years ago
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The Equator is where the doldrums are found.
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