There are two terminals in all electrochemical cells, referred to as the anode and cathode, or positive (+) and negative (+) terminals (-). There... View Article
Dissociation in chemistry and biochemistry is a general mechanism in which, typically in a reversible way, molecules (or ionic compounds such as... View Article
If our planet were to lose gravity merely for five seconds, as we know that, it would mean the end of life on Earth. Gravity pushes each other... View Article
In excess, carbon is present in the sun, stars, comets, and most planetary atmospheres. In certain places, graphite is found naturally. In... View Article
Basically, when the ice consumes (heat) energy, which allows a transition to occur, melting ice is an endothermic response. The ice cube needs... View Article
Of all metals, silver has the highest electrical conductivity. Currently, conductivity is described by silver all other metals are measured to... View Article
Uranium, atomic number 92, is the heaviest element present in any noticeable quantity in nature. In an atom's nucleus, the atomic number... View Article
Graphite is an electrical conductor, and is also suitable for arc lamp electrodes in such applications. Because of the tremendous electron... View Article
Energy is transmitted from farmers to consumers between species in food chains. In order to accomplish dynamic functions, energy is used by... View Article
In thermodynamic terminology, the heat emitted or consumed during the adsorption process is adsorption enthalpy. Adsorption is an exothermic... View Article
1) kπ, k ∈ I 2) 2kπ, k ∈ I 3) k π/2, k ∈ I 4) None of these Answer: (2) 2kπ, k ∈ I Solution: Given, 1 - cos θ = sin θ . sin θ/2 2... View Article
1) 2nπ ± π/3, n ∈ Z 2) nπ ± π/3, n ∈ Z 3) 2nπ ± π/6, n ∈ Z 4) nπ ± π/6, n ∈ Z Answer: (2) nπ ± π/3, n ∈ Z Solution: Given, tan θ +... View Article
1) nπ + (-1)n π/2, n ∈ Z 2) nπ/2, n ∈ Z 3) (4n ± 1)π/2, n ∈ Z 4) (2n - 1), n ∈ Z Answer: (3) (4n ± 1)π/2, n ∈ Z Solution: sin2x - cos 2x =... View Article
