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Question: A gas sample is heated from -20.0oC to 57.0oC and the volume increased from 2.00L to 4.50L. If the initial pressure is 0.126 atm, what is the final pressure?
a. 0.0730 atm
b. 1.568 atm
c. 0.00473 atm
d. .354 atm
A tank at is filled with of sulfur hexafluoride gas and of carbon monoxide gas. You can assume both gases behave as ideal gases under these conditions.
a 37.4-l volume of methane gas is heated from 22 degrees c to 78 degrees c at constant pressure. what is the final
State the advantage and disadvantage of a furnace compared with a flame in atomic absorption spectroscopy
Explain why Î"G can only be used to determine the spontaneity of a reaction. Be very detailed in your answer.
If nitrosyl bromide, NOBr, is 34 percent dissociated at 25°C and the total pressure is 0.25 atm, calculate Kp and Kc for the dissociation at this temperature.
A round plate having a diameter of 30.0 cm is being silver plated on one side, by electrolysis of silver nitrate, where the plate is the cathode
2-Methylpentane and 4-methyl-2-pentanone are constitutional isomers with the molecular formula C6H12O.each shows a molecular ion peak in its mass spectrum at m/z 100.
prepared by adding 45.0 mL of 0.15 M NaF to 35.0 mL of 0.10 M HF. What is the pH of the final solution?
How many molecules of sucrose (table sugar), C12H22O11, dissolved in 450.0 g of water are needed to make a 1.30 m solution?
The pH difference across the membrane of a glass electrode is 3.87. How much voltage is generated by the pH gradient
dissolving 3.00g of impure CaCO3 in excess HCl produced .656L of CO2- measured at 20C and 782mmHg. calculate the percent by mass of the CaCO3 in the sample.
What are some of the characteristics that we want to observe? What might be your initial hypothesis? How would you set up an experiment to test your hypothesis?
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