chemical change, Chemistry

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clear scientific definition of exothermic and endothermic reactions

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P block elements, why boron shows +3 as well as-3 oxidation states?

why boron shows +3 as well as-3 oxidation states?

What is the major diffrence btw cast cast iron and pig iron?, Pig iron is c...

Pig iron is cast iron with a very high carbon content: 4% by weight or more. Cast iron has at least 2% carbon by weight. Less than that, and it''s steel. Cast iron and pig iron are

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Naming complex substituents - IUPAC system of nomenclature If the substituent on the parent chain is complex ( that is it is branched) it is termed as substituted alkyl g

Attaking reagent, what is attacking reagent/what its type give detail about...

what is attacking reagent/what its type give detail about this

Determine in a potassium atom, In a potassium atom, electronic energy level...

In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d                              (2) 4s>4p              (3) 4s (4) 4s Ans: 4s

Define acids and bases, The chemical formula for pure water is H 2 O. Pure ...

The chemical formula for pure water is H 2 O. Pure water breaks up into an equal number of H + (aq) and OH - (aq) ions. As the amounts of the H + and OH - ions are equal, water i

Stoichiometry, if 45.0 L of natural gas, which is essentially methane, unde...

if 45.0 L of natural gas, which is essentially methane, undergoes complete combustion at 730 mm Hg and 20 degrees Celsius, how many grams of each product are formed?

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