Chemistry Test ...

If s₀,s₁,s₂ and s₃ are the solubilities of AgCl in water, 0.01MCaCl₂,0.01MNaCl and 0.05MAgNO₃ solutions, respectively, then

How many σ and π bonds are there in benzoic acid?

Which one of the following is employed as a Tranquilizer drug?

In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to

Standard enthalpies of formation of CO₂(g), CO(g), N₂O(g) and NO₂(g) in kJ/mol are -393, -110, 81 and 34, respectively. What is the value of ∆H (in kJ) in the following reaction?

2NO₂ (g) + 3CO (g) → N₂O (g) + 3CO₂ (g)

A 5.0-g sample of spinal fluid contains 3.75 mg (0.00375 g)  of glucose. What is the percent by mass of glucose in spinal fluid?

Which of the following is a tetradentate ligand?

In which of the following processes are ΔH and ΔU equal to zero?

An endothermic reaction A → B has an activation energy of 50 kJ/mole and the energy of the reaction is 15 kJ/mole. The activation energy of the reaction B → A is

In the reaction 2 A+B→A₂B, if the concentration of A is doubled and that of B is halved, then the rate of the reaction will