A. H2(g)+S(g) → H2(g) B. 2H2S(g) + O2 (g) → 2H2O(l) + 2SO2(g) C. N2(g) +3H2(g) → NH3(g) D. NaOH(aq) +CO2(g)…
A. Na2CO3, KNO3, (NH4)2CO3 B. NaHCO3, PbSO4, CaSO4 C. K2CO3, CaSO4, AgNO3 D. PbCl2, NaCl, ZnCl2 E. ZnCO3, BaSO4, AgCl…
A. 2 B. 6 C. 7 D. 10 E. 14 Correct Answer: Option E = 14
A. activation energy B. enthalpy C. entropy D. equilibrium E. free energy. Correct Answer: Option C - entropy
A. absorbs atmospheric moisture and then goes into solution B. absorbs atmospheric moisture but does not go into solution C.…
A. -2.87 B. -2.71 C. 0.8 D. 1.68 E. 0 Correct Answer: Option E = 0
A. diffusion B. migration C. reaction D. sedimentation E. sublimation. Correct Answer: Option B - migration
A. hydrogen ions are in greater concentration than sodium ions. B. hydrogen is higher than sodium in the electrochemical series.…
A. Can be used to dissolve organic substances B. Has a boiling point of 100°C C. Has a density of…
A. Fluorine B. Helium C. Hydrogen D. Nitrogen E. Oxygen Correct Answer: Option B - Helium