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Which instrument can be use to measureme...

Which instrument can be use to measurement of pressure and temperature ?

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(i) Pressure of atmosphere : Barometer
Pressure of gas : Manometer
(ii) Temperature : Thermometer `(""^(@)C, ""^(@)F, K)`
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Each phase of a material can exits only in certain regions of pressure and temperature . P-T phase diagrams, in which pressure is plotted versus temperature, show the regions corresponding to various phases and phase transformations . P-V diagrams, on the other hand , can be used to study pressure volume relationship at a constant temperature. If the liquid and gaseous phases of a pure substances are heated together in a closed container, both the temperature and the vapor pressure will increase until a point is reached at which the two phases can no longer be distinguished from one another. The temperature and pressure at which this occurs are called the critical temperature and pressure. Exceeding either of these parameters, by itself ,will cause the "gas"//"liguid" phase transition to disappear. if the other variable is then changed as well, while the first variable is maintained above its critical point , a gradual transition will occur between the gaseous and liquid phases, with no clear boundary.(The liquid and solid phases, on the other hand , maintain a distinct boundary at all pressure above the triple point). Shown in figure is a combined P-T phase diagram for material A and B . Which is true about the substance in figure?

KUMAR PRAKASHAN-STATES OF MATTER -SECTION - B OBJECTIVE QUESTIONS
  1. Give different unit of pressure of gas.

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  2. Give relation between different units of pressure.

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  3. Which instrument can be use to measurement of pressure and temperature...

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  4. Give order of kinetic energy of solid, liquid, gas.

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  5. Which state of Matter having definite volume but not definite shape ?

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  6. When the graph of p alpha (1)/(V) is not obtained straight line ?

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  7. Which are two isotherm graph according to Boyle.s Law.

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  8. Which effect is observed in Isothermal graph with temperature ?

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  9. When pressure of 0.09 mole will become half then calculate volume at 3...

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  10. What is proved by Boyle.s law in a quantitative manner ? Why ?

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  11. What effect on density when pressure pressure at 0.09 mole gas increas...

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  12. 300 K temperature at 2.0xx10^(4) Pa pressure volume of 0.09 mole CO(2)...

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  13. The graphs given under is obtained by Boyle.s law at constant volume a...

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  14. Draw graph of volume (V) against Temperature (T) n^(+) constant pressu...

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  15. Give ideal gas equation & combined gas equation.

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  16. What is another name of ideal gas equation ? Why ?

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  17. Give calculation of gas constant R for unit of bar Lit mol^(-1)K^(-1) ...

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  18. What is molar volume of gas ? What is its value.

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  19. If value of R = 8.314 then, Given its unit.

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  20. 22.71 Lit means ………. meter ?

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