Home

What is the correct answer?

4

The activity of pure hydrogen gas at 1000°C and 5 atm pressure

A. Is always less than 1

B. Is always greater than 1

C. Can be 5

D. Depends on the choice of the standard state

Correct Answer :

D. Depends on the choice of the standard state


Related Questions

Frother is added in the froth floatation cell used in ore beneficiation… An oxidation process is accompanied with decrease in the The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by Friction factor for fluid flow in pipe does not depend upon the Fahrenheit and Centigrade scales have the same readings at One face of a furnace wall is at 1030°C and the other face is exposed… Pressure exerted by a liquid depends upon its During sensible cooling of air, its wet bulb temperature Work done by a/an __________ process is determined by ∫p. dv Air intake for an air compressor should be preferably taken from Dephosphorization of molten pig iron is favoured by Which of the following relationships is correct for relating the three… The elastic strain in copper is due to the Plastics as a material of construction suffer from the drawback of low In condensers used in thermal power plants, steam is normally used in… Melting point & boiling points of liquid oxygen are respectively - 218.8°C… Eutectic reaction for iron-carbon system occurs at a temperature of __________… CANDU type nuclear reactor using natural uranium as fuel is the extensively… Theoretical volume of oxygen required for complete combustion of 1Nm3… Joining of thin foils is preferred to be done by Austempering of steel requires it to be heated to 875°C followed by… Batch process is preferred over continuous process, when the Maximum permissible air velocity in pipelines is about __________ metre/second. Quartz is a __________ material. Routing in production, planning & control is concerned with the The yield point phenomenon observed in annealed low carbon steel is due… Use of flux during soldering is done to Ultimate strength in tension as compared to that in shear for steel is Wohler test is a destructive test to find out the __________ strength… Materials having resistivity ranging from 1 to 100 ohm. cm is termed as