Stoichiometry Validity of the relationship, inputs = outputs, holds good for the system at steady state Without chemical reaction None of these Without chemical reaction & losses With chemical reaction Without chemical reaction None of these Without chemical reaction & losses With chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. -1632.3 +816.15 +1632.3 -2448.45 -1632.3 +816.15 +1632.3 -2448.45 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C? 43833 L/3 x 298/273 43832 43864 43833 L/3 x 298/273 43832 43864 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1023 1020 1019 1026 1023 1020 1019 1026 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Increases Remains unchanged Either A or B; depends on the liquid Decreases Increases Remains unchanged Either A or B; depends on the liquid Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An ideal gas can be liquified, because Its molecular size is very small Forces operative between its molecules are negligible Its critical temperature is more than 0°C It gets solidified directly without becoming liquid Its molecular size is very small Forces operative between its molecules are negligible Its critical temperature is more than 0°C It gets solidified directly without becoming liquid ANSWER DOWNLOAD EXAMIANS APP
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