Stoichiometry Archives - Page 3 of 37 -

A. Greater for liquid state than for solid state
B. Lower for liquid state than for gaseous state
C. Higher for solid state than for liquid state
D. Equal for solid and liquid states below melting point

The heat capacity of a substance is ____________________? Read More »

Stoichiometry

The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?

Stoichiometry / admin

The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?

A. 9.03
B. 3.01
C. 1.204
D. 6.02

The total number of atoms in 8.5 gm of NH3 is _______________ × 1023? Read More »

Stoichiometry

As per Kirchhoff s equation, the heat of reaction is affected by the__________________?

Stoichiometry / admin

As per Kirchhoff s equation, the heat of reaction is affected by the__________________?

A. Pressure
B. Volume
C. Temperature
D. Molecularity

As per Kirchhoff s equation, the heat of reaction is affected by the__________________? Read More »

Stoichiometry

A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container___________________?

Stoichiometry / admin

A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container___________________?

A. Will be greater than 298 K
B. Will be 298 K
C. Will be less than 298 K
D. Cannot be determined

Stoichiometry

“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

Stoichiometry / admin

“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

A. Raoult’s
B. Henry’s
C. Amagat’s
D. None of these

Stoichiometry

______________ equation gives the effect of temperature on heat of reaction ?

Stoichiometry / admin

______________ equation gives the effect of temperature on heat of reaction ?

A. Kirchoff’s
B. Maxwell’s
C. Antoine
D. Kistyakowsky

______________ equation gives the effect of temperature on heat of reaction ? Read More »

Stoichiometry

Addition of a non-volatile solute to a pure solvent ____________________?

Stoichiometry / admin

Addition of a non-volatile solute to a pure solvent ____________________?

A. Increases its freezing point
B. Increases its boiling point
C. Decreases its freezing point
D. Both B. and C.

Addition of a non-volatile solute to a pure solvent ____________________? Read More »

Stoichiometry

If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its___________________?

Stoichiometry / admin

If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its___________________?

A. Bubble point
B. Saturation temperature
C. Dew point
D. Both B. and C.

If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its___________________? Read More »

Stoichiometry