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Calculate the temperature of the system once equilibrium has been reached. Assume that for Cp,m H2O is constant at its values for 298K throughout the temperature range of interest.
Given that B(SiO) 640 kJ/mol, show that bond enthalpy considerations predict that silicon-oxygen compounds are likely to contain networks
The solution has a density of 1.182 g/ml. What are the molality, molarity and mole fraction of HNO3 in this solution?
When completely filled with water, the beaker and its contents weigh 297.65 g. Use d=100 g/mL as the density of water. What volume does the beaker hold?
The pH of a solution containing equal concentrations of a weak acid and its salt is found to be 5.1. What is the Ka for this acid
Describe in 75 words the structure of the carbon atom. What types of bonds does carbon form and why?
Hydrogen cyanide, HCN, is a poisonous gas. The lethal dose is approximately 300 mg HCN per kilogram of air when inhaled.
If wave (a) has a wavelength of 1.0 m and a frequency of 3.0*10^8 cycles, what are the wavelength of wave
an acetic acid solution of 2.87 pH is titrated with 1.5 mL of bromocresol green. When the color changes to light green
(a) What is the molecular weight of the drug? (b) What is the boiling point of the solution? (c) What is the osmotic pressure of the solution?
Why is the boiling point of octane, C8H18, higher than that of methane, CH4, if they are both nonpolar molecules? 7-Using a diagram to illustrate your answer, explain the effect of temperature on the vapor pressure of a liquid.
Based on the data for step 2 of the experiment, predict what would happen if you performed step 3 of the experiment (how many sets of three drops of each of the HCl and NaOH would be needed until the buffering capacity is lost for the two solution..
strip of magnesium reacts in 3.0 mL of 5.0 M HCl over a given period of time. Evaluate the mol mg/mol HCl ratio for the reaction.
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