Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80 79.62 78.51 80.38 80 79.62 78.51 80.38 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be 10?? 10?? ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids lighter than water? °Be = 200(G-1) °Be = (400/G) - 400 °Be = 145 - (145/G) °Be = (140/G) - 130 °Be = 200(G-1) °Be = (400/G) - 400 °Be = 145 - (145/G) °Be = (140/G) - 130 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container Will be greater than 298 K Will be 298 K Can not be determined Will be less than 298 K Will be greater than 298 K Will be 298 K Can not be determined Will be less than 298 K ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is CS₂ > H₂O > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH CS₂ > H₂O > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of a vapor gas mixture may be increased by increasing the Humidity at constant temperature Temperature at constant humidity All of these Temperature and the humidity Humidity at constant temperature Temperature at constant humidity All of these Temperature and the humidity ANSWER DOWNLOAD EXAMIANS APP
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