Global warming has melted 28 trillion tons of ice in just 23 years
Physics

Global warming has melted 28 trillion tons of ice in just 23 years

A total of 26 trillion tons of ice has disappeared from the Earth’s surface since 1994. The astonishing decision was made by UK scientists who…
Describe Green house effect from Wien’s law
Physics

Describe Green house effect from Wien’s law

In colder countries, glass walled houses are constructed to preserve the vegetation’s during the winter season. These are called Green Houses, which serve as effective…
Define Absorptive Power
Physics

Define Absorptive Power

The absorptive power of a body (or a surface) is defined as the ratio of the energy absorbed in a given time (or in a…
Define Protogenic Compound
Chemistry

Define Protogenic Compound

Protogenic compound: Protogenic compound are those which gives proton in non aqueous media. On the basis of proton interaction, solvents are of four types, (i)…
Explain the Ionic Product of Water
Chemistry

Explain the Ionic Product of Water

The ionic product of water The dissociation of water H2O ↔ H+ + OH– According to law of mass action K = [H+] [OH–] /…
Determination of PH of the Acid Solution
Chemistry

Determination of PH of the Acid Solution

Sample Question: Take some Ethanol and Oxidizes Ethanol in presence of KMnO4 and produce 0.01 M axid. The acid react with strong base and produce 0.01 M…
Why Equilibrium Constant depends on the Temperature?
Chemistry

Why Equilibrium Constant depends on the Temperature?

Equilibrium Constant depends on the Temperature. Hydrogen, H is the element which has no neutron. Let, the reaction: N2 (g) + 3 H2 (g) ↔…
Dissociation of Phosphorus Pentachloride decreases with increasing pressure
Chemistry

Dissociation of Phosphorus Pentachloride decreases with increasing pressure

At constant temperature, the dissociation of Phosphorus Pentachloride decreases with increasing pressure. The reaction: PCl5↔ PCl3 + CO2 no. of moles →  1    …
Explain the concept of Exchange Electron
Chemistry

Explain the concept of Exchange Electron

The idea of exchanging electron, x2 (g) + 3y2 (g) → 2xy3 This reaction is known as oxidation reduction reaction, The actual reaction, N2 (g)…
What is Endothermic Reaction?
Chemistry

What is Endothermic Reaction?

Endothermic reaction: Endothermic reaction is the reaction where heat energy absorbed. CaCO3 (s) →∆→ CaO (s) + CO2 (g) ∆H298K = + 178 Kj mol-1.…
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