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)
A. 4480
B. 2240
C. 1120
D. 0.4
Answer: Option A
This Question Belongs to Chemical Engineering >> Stoichiometry
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A. Potential energy
B. Intermolecular forces
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A. ΔH = 1 (+ ve)and Δ V = -ve
B. ΔH = 0
C. ΔV = 0
D. Both B and C
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