Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 70 10 100 20 70 10 100 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids lighter than water? °Be = 145 - (145/G) °Be = (400/G) - 400 °Be = 200(G-1) °Be = (140/G) - 130 °Be = 145 - (145/G) °Be = (400/G) - 400 °Be = 200(G-1) °Be = (140/G) - 130 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal gas, the compressibility factor Is unity at all temperature Is unity at Boyle's temperature Zero Decreases with pressure rise Is unity at all temperature Is unity at Boyle's temperature Zero Decreases with pressure rise ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements. This is the statement of Nearnst heat theorem Trouton's rule Kopp's rule Law of Petit and Dulong Nearnst heat theorem Trouton's rule Kopp's rule Law of Petit and Dulong 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 > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Increases Decreases Does not vary Varies linearly Increases Decreases Does not vary Varies linearly ANSWER DOWNLOAD EXAMIANS APP
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