Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Number of intermediate chemical reactions involved Temperature & pressure State of aggregation & the state of combination at the beginning & the end of the reaction None of these Number of intermediate chemical reactions involved Temperature & pressure State of aggregation & the state of combination at the beginning & the end of the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is 18.11 kJ 18.33 kJ 10.73 kJ 16.15 kJ 18.11 kJ 18.33 kJ 10.73 kJ 16.15 kJ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Decreases Varies linearly Increases Does not vary Decreases Varies linearly Increases Does not vary ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is 0.5 2 1 0.5 0.5 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of a solution is 8, then its pOH value will be 6 1 7 10 6 1 7 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a liquid is 1500 kg/m³. Its value in gin/litre will be equal to 1500 1.5 150 15 1500 1.5 150 15 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS