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The Ksp of the phosphate fertilizer CaHPO4.2 H2O is 2.7 x 10-7 at 25oC. What is the molar concentration of a saturated solution? What mass of this compound will dissolve in 3.0 L of water at this temperature?
Heat Conductivity When considering the design of houses, the heat conductivity by walls, roofs, and the floor plays an significant role. The heat conductivities (λ) of some bui
Calculate the theoretical voltage of the following galvanic cell: Ni|10^-3 mol/l Ni(NO3)2 || 1 mol/l AgNO3|Ag. Write the equations for the half reactions of this cell.
Q. What do you understand by dissolved oxygen in water? How does it create trouble in boiler? Give chemical methods with suitable reactions to remove it from the water. Ans.
The tetrahedral arrangement of four ligands surrounding the metal ion may be visualized. It is clear that in tetrahedral field, none of the orbitals point exactly towards the ligan
wht is the difference between molar mass & molecular mass?
If a mole were to have 1*10^24 particles what is the weight of one mole of oxygen molecule and 1 molecule of oxygen Ans) Since the gram molecular mass remains the similar...weig
write the chemical properties of aromatic compounds.
Q. What are the characteristics of bases? Ans. Common bases are borax, baking soda, and antacids. These are some characteristics of bases: They taste bitter
The atomic number of an element is always equal to: (1)Atomic weight divided by 2 (2)Number of neutrons in the nucleus (3)Weight of the nucleus (4)Electrical ch
Preservatives: The preservatives avoid spoilage of food because of microbial expansion. The most common preservative employed is sodium benzoate; C 6 H 5 COON a It is metabol
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