📚NCERT Questions — CBSE11

The Law of Conservation of Mass states that during any physical or chemical change, mass can neither be:

An ion with mass number 37 possesses one unit of negative charge. If the ion contains 11.1% more neutrons than the electrons, find the symbol of the ion.

In multi-electron atoms, the energy of orbitals within the same principal quantum number (n) increases in the order:

Which of the following reactions will shift to the right (forward direction) if the pressure is decreased by increasing the volume?

If the equilibrium constant (K) for a reaction is 10, what is the value of ΔG° at 300 K? (R = 8.314 J K⁻¹ mol⁻¹)

The value of ΔG° for the phosphorylation of glucose in glycolysis is 13.8 kJ/mol. Calculate the value of Kc at 298 K. (R = 8.314 J mol^-1 K^-1)

Round off 1.386 to two decimal places.

According to Table 5.4, if Δ_r H° is positive and Δ_r S° is negative, what is the spontaneity of the reaction?

If the Gibbs energy change (ΔG) for a process is negative (< 0), what does this indicate about the process?

For a process carried out at constant pressure, the heat absorbed (q_p) is equal to which thermodynamic quantity?