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Dalton's Law of Partial Pressures

Consider two ...

Question

Consider two beakers A and B kept at the same pressure and temperature. Beaker A has 5 litres of oxygen gas and beaker B has 5 litres of helium gas. Based on this choose the correct option.

A

Both beakers will have different number of molecules.

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B

Both beakers has same number of molecules of gas.

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C

Both beakers have the same number of atoms

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D

Beaker A has more number of molecules of gas than beaker B

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Solution

The correct option is B
Both beakers has same number of molecules of gas.

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Similar questions

Q. There are two similar beakers A and B. The beaker A is filled with water and beaker B with brine solution. The pressure of water at the base of beaker A is:
a. more than beaker B
b. less than beaker B
c. same as beaker B
d. none of these

Q. A mixture of two gases

A

B

in the mole ratio

2 : 3

2

litres vessel. A second

3

litres vessel has the same gases in the mole ratio

3 : 5

. Both gas mixtures have the same temperature and same total pressure. They are allowed to intermix and the final temperature and total pressure are the same as the initial values, the final volume being

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M_{B}

then what is the mean molar mass of the final mixture?

Q. Two containers

C_{1}

C_{2}

are kept at a constant temperature T=300 K. Container

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has a volume of 2 litres and it contains Helium gas at a pressure of 10 atm while container

C_{2}

has a volume of 8 litres and that contains Methane

(C H_{4})

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List-I contains questions related to gases in containers

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C_{2}

and List-II contains their answer(s).

List - IList - II(I) When both the containers are connected with(P) 4 a thin tube, the final pressure will be (in atm)(II) The mole fraction of He gas when both(Q) 14 containers are connected with the thin tube(III) The ratio of the mean fee path of CH4 to He(R) 18 before connecting the containers(IV) The ratio of collision frequency of He to CH4(S) 23 before connecting the containers(T) 13(U) 6

Which of the following options has the correct combination considering questions of List-I and answers of List-II

Q. Three beakers labelled as

A, B

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each containing 25 mL of water were taken. A small amount of

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C u S O_{4}

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exothermic process has occurred.
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endothermic process has occurred.

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