Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 0.4 2240 4480 1120 0.4 2240 4480 1120 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 3.01 x 1023 molecules of methane 3 gms of carbon 6.02 x 1023 atoms of hydrogen 4 gm atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 6.02 x 1023 atoms of hydrogen 4 gm atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Percentage saturation of a vapor bearing gas is always __________ the relative saturation. Smaller than Higher than Equal to Either A or B; depends on the system Smaller than Higher than Equal to Either A or B; depends on the system ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to X1/x2 1 - (x1/x2) X2/x1 1/x2 X1/x2 1 - (x1/x2) X2/x1 1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches 0.24 1 ∞ 0.24 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole. 1 44 16 1 44 16 ANSWER DOWNLOAD EXAMIANS APP
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