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Recent questions tagged group-18

A cylinder contains $0.03\; m^3$ of Argon gas at a temperature of $25^\circ C$ and a pressure of $1.2\; MPa$. Find the internal energy of the gas.

asked Jul 29, 2014 by balaji.thirumalai

1 answer

Which of the following best represents the internal energy per mole of a noble gas?

asked Jul 29, 2014 by balaji.thirumalai

1 answer

In the preparation of compounds of Xe, Bartlett had taken $O_2^{+} Pt F_6^{-}$ as a base compound. This is because:

asked Jul 29, 2014 by balaji.thirumalai

1 answer

Which of the following is the only noble gas not to occur in the free state in the atomosphere, air, in oute space or in natural gases etc.

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Which of the following mixtures is used by divers in their breathing apparatus for respiration purposes?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Which of the following statements about the atomic and physical properties of noble-gases are incorrect?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Arrange the noble gases in order of increasing Atomic Mass.

asked Jul 28, 2014 by balaji.thirumalai

1 answer

What is the Poisson's ratio for the noble gases?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Which of the following statements about the properties of Helium is incorrect?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

When XeF$_4$ reacts with water, which of the following are possible product(s) that can be formed? Xe, HF, XeO$_3$, XeOF$_3$, XeO$_4$, O$_3$.

asked Jul 27, 2014 by balaji.thirumalai

1 answer

Match the following:

asked Jul 27, 2014 by balaji.thirumalai

1 answer

Xe$_4$ and Xe$_6$ are expected to be:

asked Jul 27, 2014 by balaji.thirumalai

1 answer

The structure of XeO$_3$ is

asked Jul 27, 2014 by balaji.thirumalai

1 answer

Why is argon used in arc welding?

asked Jul 27, 2014 by balaji.thirumalai

1 answer

Which of the following regarding Helium is incorrect?

asked Jul 27, 2014 by balaji.thirumalai

1 answer

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