Chemistry

The energies E₁ and E₂ of two radiations are 100 kJ and 200 kJ respectively. The relation between their frequencies i.e. n₁ and n₂ will be

We have a mixture of gases having 2 moles of monoatomic $\left(C_{v,m}=\frac{3R}{2}\right)$  gas and 6 moles of diatomic gas $\left(C_{v,m}=\frac{5R}{2}\right)$ . Find out molar heat capacity (C_nm) of the mixture.

The number of radial nodes and angular nodes in 3p orbital respectively are

Please find the question Below:

A and B in above reaction:

 

A and B in above reaction:

If 65.5 g of a metal chloride contains 35.5 g chlorine, then equivalent mass of metal is

We are given with 3 NaCl samples and their van't Hoff factors

   Choose the correct answer.

What is the pH of CH₃COO^–NH⁴⁺ salt?

            Given K_a of CH₃COOH = 1.8 * 10^–6

                       K_b of NH₄OH = 1.8 * 10^–6

            (At 25°C)

Complementary strand of DNA

ATGCTTCA is:

 Cr₂  + xH⁺ + ye^– ® 2Cr³⁺ +AH₂O

Balance the above reaction and find x, y and A.

Which of the following is the correct plot between l (de Broglie wavelength) and p(momentum)?