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1. A mixture of methane and neon gases, in a 8.08 L flask at 67 °C, contains 2.17 grams of methane and 3.58 grams of neon. The partial pressure of neon in the flask is __ atm and the total pressure in the flask is ___ atm.
2. A mixture of oxygen and krypton gases is maintained in a 5.54 L flask at a pressure of 2.57 atm and a temperature of 39 °C. If the gas mixture contains 6.53 grams of oxygen, the number of grams of krypton in the mixture is ___ g.
Explain what would be the effect on your calculated copper if some blue color remained when you acidified your solution
The molar heat capacities of iron and gold are 25.19 J/(mol x degrees C) and 25.41 J/(mol x degrees C), respectively. What is the final temperature of the water and pieces of metal
Choose the stronger of each pair of acids, respectively, and explain why: a) HBrO3 or HBrO b) HBrO2 or HIO2 A. a) HBrO because Br has a lower oxidation state (fewer number of O atoms around it) in HBrO than in HBrO3
Problem- What molarity of propanoic acid, C3H6O2 (Ka = 1.3 x 10-5), is required to produce an aqueous solution with pH = 2.40?
Compound X, C14H12Br2, is optically inactive. On treatment with strong base, X gives hydrocarbon Y, C14H10. Compound Y absorbs 2 equivalents of hydrogen when reduced over a palladium catalyst to give Z
Calculate the percent error in your Hess's Law enthalpy value (-686 kJ/mol). The accepted textbook value is -601.7kJ/mol.
When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
What volume of 0.25 M HCl solutions must be diluted to prepare 1.00 LK of 0.040 M HCl?
The average pH of normal arterial blood is 7.40. At normal body temperature (37C), Kw = 2.4 * 10^-14.
The combustion of pentane with oxygen is a well known process. Write a balanced equation for the reaction of pentane, C5H12, with oxygen, O2, forming the products carbon dioxide, CO2, and water, H2O. What mass of carbon dioxide will be produced by..
Determine how you would make a 100ppb solution of riboflavin from a 50mg/L stock solution. Do the same for preparation of a 500ppb solution from a 50mg/L stock solution
Draw the enantiomer of cis-1-chloro-3-methylcyclopentane which is R at C-1. 1) What is the configuration of this molecule at C-3 (R and S)?
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