lead is between iron and copper in the reactivity series. explain a method that could be used to extract lead from its ore
Draw structures, write hybridization And crystal field spliting of d-orbital of the following
geometries.
(i) T-shape (ii) Trigonal planar (iii) Square antiprism
(vi) Monocap octahedral (v) Tricap trigonal pyramidal (vi)Pentagonal bipyramidal
(vii)Hexagonal bipyramidal (viii) Icosahedron (ix) Cubic
Draw structures, write hybridization And crystal field spliting of d-orbital of the following
geometries.
(i) T-shape (ii) Trigonal planar (iii) Square antiprism
(vi) Monocap octahedral (v) Tricap trigonal pyramidal (vi)Pentagonal bipyramidal
(vii)Hexagonal bipyramidal (viii) Icosahedron (ix) Cubic
Burning 1.4 mL of a certain fuel, whose density is 0.668 g/mL, releases 32.2 kJ of heat. When 10.8 g of this fuel is burned in a bomb calorimeter, the temperature in the bomb increases from 21.4°C to 65.5°C. What is the heat capacity of the bomb calorimeter?
Determine the equilibrium constant (kc) for the synthesis of PCl5 from PCl3 and Cl2 (PCl3 +Cl2 ⇌ PCl5).Explain it
1. What is the mass of a 4.0 % NaOH solution by mass that contains 15.0 G of NaOH?
2. The hardness of water (hardness count) is usually expressed as parts per million (by mass) of CaCO3. What is the molar concentration of Ca²+ ions in a water sample with a hardness count of 175 ppm?
3. A 13.0 % solution of K2CO3 by mass has a density of 1.09 g/cm³ . Calculate the molarity of the solution.
4. A bottle of a certain ceramic tile cleanser, which is essentially a solution of hydrogen chloride, contains 130g of HCl and 750 g of water. What is the percent by mass of HCl in the cleanser?
5. What volume of a 0.20M K2SO4 solution contains 57 g of K2SO4?