12. Two charged spheres 10 cm apart attract each other with a force of 3.0 x 10-6N. What force results from each of the following changes, considered separately? (a) Both charges are doubled and the distance remains the same. F = Kqi9z 1.2x10-5 (b) The separation is increased to 30 cm. 3.3x10-7 pre dissolved in 875 g of H20, what will be the boiling point of

12. Two charged spheres 10 cm apart attract each other with a force of 3.0 x 10-6N. What force results from each of the following changes, considered separately? (a) Both charges are doubled and the distance remains the same. F = Kqi9z 1.2x10-5 (b) The separation is increased to 30 cm. 3.3x10-7 pre dissolved in 875 g of H20, what will be the boiling point of

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What is the solubility of Cd₃(PO₄)₂ in water? (Ksp of Cd₃(PO₄)₂ is 2.5 × 10⁻³³)
3.115 g of a compound (contains C, H, and O) was combusted and produced 2.273 g of water and 5.552 g of carbon dioxide. In another experiment 1.558 g of this compound was dissolved in 100.0 g of water, and the freezing point of the solution was determined to be -0.3912 degrees Celsius. A) what are the empirical and molecular formula for this compound? (Show Ef and Mf calculations) B) draw a Lewis structure C) what are the electron and molecular geometries for carbon number 3? What’s the bond angle for carbon #3? D) is this compound polar or non polar? E) explain the bonding for carbon number 3?
Energy to sublime Na(s) = 109.0 kJ/molElectron affinity of Cl(g) = -349.0 kJ/molFirst ionization energy of Na(g) = 495.0 kJ/molBond energy of Cl2(g) = 240.0 kJ/molΔHrxn for Na(s) + 1/2 Cl2(g) → NaCl(s) = -411.2 kJ/mol Determine the lattice energy of NaCl(s), using the data provided.
Mm.9.