atomic weight, Chemistry

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what is the atomic weight of oxygen

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Atoms, what are atoms made of ?

what are atoms made of ?

Give an example of linkage isomerism, Why does NO2 dimerise? a) Give an...

Why does NO2 dimerise? a) Give an example of linkage isomerism. b) A solution of KOH hydrolyses CH3CH2CH2CH2Cl and CH3CH2CH2Cl. Which one of these is more easily hydrolysed?

Cu2+ will have the following electronic configuration, Cu 2+ will have the...

Cu 2+ will have the following electronic configuration: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 10 , (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 9 , 4s 1     (3) 1s 2 , 2s 2 ,

Types of chemical reactions, In the reactant SO2 + O2 , then in the product...

In the reactant SO2 + O2 , then in the product it became SO3 , how?

Calculate standard state enthalpy of the substance, Q. Calculate standard s...

Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti

Chemical methods - purification of organic compounds, Chemical methods - Pu...

Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.

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Calculation of empirical formula The steps included in the calculation are as follows, (a) Divide the percentage (%) of each element by its atomic volume. This gives th

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explain the synthesis of freon and westron i need only the synthesis of those coompound

The nucleus of the element 21e45 contains, The nucleus of the element 21 ...

The nucleus of the element 21 E 45  contains: (1) 45 protons and 21 neutrons   (2) 21 protons and 24 neutrons (3) 21 protons and 45 neutrons  (4) 24 protons and 21 n

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