Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Decreases Varies linearly Does not vary Increases Decreases Varies linearly Does not vary Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Degrees of freedom will be equal to the number of components for a system comprising of Only soluble liquid components Partially miscible two liquid components system having two phases Two liquid components and one solute (soluble in both the liquids) None of these Only soluble liquid components Partially miscible two liquid components system having two phases Two liquid components and one solute (soluble in both the liquids) None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 4 gm atoms of hydrogen 3 gms of carbon 3.01 x 1023 molecules of methane 6.02 x 1023 atoms of hydrogen 4 gm atoms of hydrogen 3 gms of carbon 3.01 x 1023 molecules of methane 6.02 x 1023 atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
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 80.38 78.51 80 79.62 80.38 78.51 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer co-efficient. 1 kcal/m².hr.°K = 1.163 W/m².°C 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°K = 1.163 W/m².°C 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 W/m² . °C = 0.1761 BTU/ft².hr.°F ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ? ΔH = 1 (+ ve)and Δ V = -ve Both B and C ΔH = 0 ΔV = 0 ΔH = 1 (+ ve)and Δ V = -ve Both B and C ΔH = 0 ΔV = 0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS