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If a liquid has weak intermolecular forces, which of the following properties will have a lower value compared to a liquid with stronger intermolecular forces?
Choices: Melting point, boiling point, surface tension, viscosity, vapor pressure
Which is the best estimate of the pH of a solution that has a hydroxide ion concentration of 1.25 x 10^ -5M? Excess oxygen gas reacts with 244 g of iron to produce 332 g of Fe2O3. What is the percent field?
Explain why the radii of atoms do not simply increase uniformly with increasing atomic number.
A salt bridge connects the two beakers, and wires to a voltmeter link the two metal electrodes. What is the equation for the equation for the overall cell reaction. What is the emf generated by the cell under standard conditions
Can someone explain the following subjects in a little detail. Enthalpy of formation. Kp and Kc and finding like the mass of a substance when you're given Kp and equilibrium and volume temperature etc. Also a summary of ICE tables.
Structure of a compound that, in the presence of a strong base, can readily undergo an intramolecular reaction forming a ring in the product.
The same mass of solute is dissolved in 9.82 g of t-butanol instead of cyclohexane. What is the expected freezing point change of the solution
If the pressure exerted by ozone, {rm{O}}_3, in the stratosphere is 3.0 times 10^{ - 3} {rm{atm}} and the temperature is 251 K, how many ozone molecules are in a liter?
A 2.50-g sample of this mixture was dissolved in 100.0 mL of water, and 0.750 M silver nitrate was added dropwise until precipitation was complete. The precipitate was collected, dried and weighed. What was the mass percent of barium chloride in t..
Explain what is the volume (mL) of alcohol needed for this reaction. Illustrate all steps of your calculations. Include all units as well as any references
The excess HCL is found by titration to be chemically equivalent to 86.6ml of 1.50M NaOH. Compute the percentages of potassium hydroxide and potassium chloride in the original mixture.
Determine the density and atomic radius of tungsten (W) if it crystallizes in a face centered cubic arrangement with cell edge 399 pm.
The activation energy for the reaction O + O3 ? 2O2 is 25 kJ/mol, and the enthalpy change is ?H = -388 kJ/mol. What is the activation energy for the decomposition of O2 by the reverse reaction
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