Molar mass
Select the right answer of the question. Which is heaviest: (a)25 gm of mercury (b)2 moles of water (c)2 moles of carbon dioxide (d)4 gm atoms of oxygen
Sulfur trioxide (SO3) is manufactured by the gas-phase oxidation of SO2 over a platinum catalyst:
SO_{2} + ½ O_{2} à SO_{3}
The catalyst is a non-porous ext
Help me to go through this problem. 1000 gms aqueous solution of CaCO_{3} contains 10 gms of carbonate. Concentration of the solution is : (a)10 ppm (b)100 ppm (c)1000 ppm (d)10000 ppm
The pressure-temperature relation for solid-vapor or liquid vapor equilibrium is expressed by the Clausis-Clapeyron equation.We now obtain an expression for the pressure-temperature dependence of the state of equilibrium between two phases. To be specific,
Select the right answer of the question .The molarity of a 0.2 N N_{2}Co_{3} solution will be: (a) 0.05 M (b) 0.2 M (c) 0.1 M (d)0.4 M
The catalytic dehydrogenation of 1-butene to 1,3-butadiene,
C_{4}H_{8}(g) = C_{4}H_{6}(g)+H_{2}(g)
is carried out at 900 K and 1 atm.
Which one of the following non-ideal solutions shows the negative deviation: (a) CH_{3}COCH_{3} + CS_{2} (b) C_{6}H_{6} + CH_{3}COCH_{3 }(c) CCl_{4} + CHCl_{3}
Give me answer of this question. The volume of water to be added to 100cm^{3} of 0.5 N N H_{2}SO_{4} to get decinormal concentration is : (a) 400 cm^{3} (b) 500cm^{3} (c) 450cm^{3} (d)100cm^{3}
Help me to go through this problem. 10 grams of a solute is dissolved in 90 grams of a solvent. Its mass percent in solution is : (a) 0.01 (b) 11.1 (c)10 (d) 9
Select the right answer of the question. Equimolar solutions in the same solvent have : (a)Same boiling point but different freezing point (b) Same freezing point but different boiling poin (c)Same boiling and same freezing points (d) Different boiling and differe
Choose the right answer from following. NaClO solution reacts with H_{2}SO_{3} as,. NaClO + H_{2}SO_{3}→NaCl+ H_{2}SO_{4}. A solution of NaClO utilized in the above reaction contained 15g of NaClO per litre. The
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