List of top Chemistry Questions on Thermodynamics asked in KCET

Identify the incorrect statements among the following:

Given below are two statements.

Which one of the following reactions has
\(\Delta H = \Delta U\)?

From the diagram

\( \Delta H \) for the reaction C → A is:

Which one of the following does not represent the Arrhenius equation?

Lattice enthalpy for NaCl is +788 kJ mol^-1 and ΔH°_hyd= -784 kJ mol^-1. Enthaply of solution of NaCl is

For the formation of which compound in Ellingham diagram ΔG° becomes more and more negative with increase in temperature ?

The work done when 2 moles of an ideal gas expands reversibly and isothermally from a volume of 1L to 10L at 300 K is (R = 0.0083 kJK mol^-1)

One mole of $O_2$ gas is heated at constant pressure starting at $27^o$C. How much energy must be added to the gas as heat to double its volume?

A reaction has both $\Delta \,H$ and $\Delta \,S$ - ve The rate of reaction

The amount of heat evolved when $500 \, cm^3$ of $0.1 \, M \, HCl$ is mixed with $200\,cm^3$ of $0.2 \, M \, NaOH$ is

Molecules of a noble gas do not possess vibrational energy because a noble gas _________

A mixture of two moles of carbon monoxide and one mole of oxygen, in a closed vessel is ignited to convert the carbon monoxide to carbon dioxide.If $\Delta H$ is the enthalpy change and $\Delta E$ is the change in internal energy, then,

When $50\, cm ^{3}$ of $0.2\, N$ $H_{2} SO _{4}$ is mixed with $50 cm ^{3}$ of $1 N\, KOH$, the heat liberated is :

Heat liberated' when 100 mL of 1 N NaOH isneutralised by 300 mL of 1 N HCl

Hesss law states that

From the diagram

Δ_rH for the reaction C → A is