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Explain how to write a net ionic equation for what happens when a solid sodium sulfate dissolves when placed in water?
Sodium borohydride to 9-fluorenone that you used in the experiment (we used 100 mg of 9-fluorenone and 10 mg sodium borohydride). why is it necessary to use a greater molar ratio than theoretical
A bicycle tire is filled with air to a pressure of 610kPa, at a temperature of 60.5oF. Riding on asphalt on a hot day increases the temperature of the tire to 58.0oC. The volume of the tire increases by 4.0%. What is the new pressure in the tire
Given the following reaction: 4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 3.12 moles of CO2 react completely?
an automobile gasoline tank holds 21kg of gasoline. when the gasoline burns 86kg of oxygen is consumed and carbon
calculate the colume of a .200 M NaOH solution needed to neutralize 40.0 mL of .600 M H2SO4 solution.
A 1.00M sugar stock solution is diluted to make a 0.10Msolution. Explain how many mL of the 1.00M stock solution are required to make 10mL of a 0.10M sugar solution
What is the molarity if pH at the stoichiometric point is 8 and the volume of base needed is twice the volume of acid being titrated? What is the molarity of the base
How many grams of solute are required to make a 147 mL solution of sodium hydroxide with a concentration of 0.5330 M.
KCl has the same crystal structure as NaCl. Calculate the volume of the unit cell, given that ionic radii are K+ = 152 pm and Cl- = 167 pm. Compare the density of KCl. Which has the larger unit cell, NaCl or KCl?
The normal boiling point for acetone is 56.5 C. At an elevation of 5300 ft the atmospheric pressure is 630 torr. What would be the boiling point of acetone Hvap = 32.0 kJ/mol at this elevation
A cobalt compound has an observed magnetic moment of 5.2 B.M. What can you deduce about the compound?
an aqueous cacl2 solution has a vapor pressure of 82 mm hg at 50c. the vapor pressure of pure water at this temperature
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