#title.laws of chemical combinations ., copper reacts with oxygen to form t...

copper reacts with oxygen to form two oxide X and Y .On analysis 1.535g of X yielded 1.365g of copper and 1.450g of Y yielded 1.160g of copper. [I] determine the chemical formula

Quantitative Analysis, A hydrocarbon z with molecular mass 78 on combustion...

A hydrocarbon z with molecular mass 78 on combustion gave 3.384g of carbon (IV) oxide and 0.693g of water. Determine the molecular formula of Z and draw its structure. [H=1, C=12,

Heat transfer, 54) Note: This problem is worth double credit.It is desired ...

54) Note: This problem is worth double credit.It is desired to concentrate a caustic soda solution from 12.5 to 40.0% in a double-effect evaporator. Feed solution at a flow rate of

Basic structure of polymers, Q.Illustrate the Basic structure of polymers? ...

Q.Illustrate the Basic structure of polymers? Ans. Polymers are large organic compounds made of regularly repeating units. Plastics are made of polymers. Polymers ar

Uses of BHC,

Dienes - hydrocarbon, Dienes - Hydrocarbon These are hydrocarbon along ...

Dienes - Hydrocarbon These are hydrocarbon along with two carbon-carbon double bonds. Dienes are of three forms (a) Conjugated dienes: Double bonds are seperated through one

Azimuthal quantum number defines, Azimuthal quantum number defines: (1)...

Azimuthal quantum number defines: (1) e/m ratio of electron (2) Spin of electron (3) Angular momentum of electron (4) Magnetic momentum of electron Ans:  Angular mo

Structure of 1-1-dimethylcyclohexane, 1,1-Dimethylcyclohexane is achiral, a...

1,1-Dimethylcyclohexane is achiral, and therefore cannot be optically active.

Solubility Product Constant , The known metal ion solution used contains 0....

The known metal ion solution used contains 0.10 M of each of the six metal ions (i.e. 0.10 M Ag+ and 0.10M Pb2+). An equal volume of 3 M HCl and the known solution are mixed. What

The valency of phosphorus, The valency of phosphorus in H3 PO 4   is: (...

The valency of phosphorus in H3 PO 4   is: (1) 2   (2) 5        (3) 4                           (4) 1 Ans: 5