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What are three modifications to a polymer that can make it transparent? How will these modifications affect the mechanical properties of the polymer?
AT 25 DEGREES CELCIUS,THE MOLAR IONIC CONDUCTIVITIES OF CALCIUM IONS,MAGNESIUM IONS AND ZINC IONS 3.87,5.01 AND 7.35 MILISECONDS SQUARE METRE PER MOLE RESPECTIVELY.CALCULATE THEIR
Q. What do you mean by Isomers? Ans. Compounds like butane and 2-methylpropane which have the same molecular formula but different molecular structures are called isomers
A gas contains 350 ppm of H 2 S in CO 2 at 72°F and 1.53 atm pressure. If the gas is liquified, what is the weight fraction H 2 S? You are asked to make up a laboratory soluti
A water solution contains 64% Na 2 S 2 O 2 together with 1.0% soluble impurity. Upon cooling to 5°C, Na 2 S 2 O 2 ·5H 2 O. crystallizes out. The solubility of this hydrate is 1.35
find H^+ concentration if Ph=4.90
In the transition of Zn atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A
type of electrode?
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
REVERSIBLE CELLS AND IRREVERSIBLE CELLS DEFINITION, TYPES, CLASSIFICATION, REACTION AND DIFFERENCES
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