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1) A gas has an initial pressure of 1,080 torr and an initial volume of 586 mL. What is its new volume if pressure is changed to 1.30 atm? If temperature and amount of gas are held constant. How can we solve for this
2) A gas has an initial volume of 87.01 mL and an initial temperature of 295.5 K. What is the new temperature if the volume is decreased to 50.00 mL? If constant pressure and amount for the gas.
3) If the final temperature of a gas whose initial pressure is 455 torr, initial temperature is 105°C, and final pressure is 690 torr? The volume and amount of gas are held constant.
4)A mixture of H2 at 566 torr and O2 at 600 torr is in a container. How can we solve for the total pressure in the container?
Calculate the volumes of acetic acid (CH3COOH) and of the acetate (CH3COO-) solution that would be needed to prepare a total volume of 150. mL of buffer. Assume all solutions are 1.00 M. pKa = 4.75.
Energetics-General Certificate of Education Advanced Level-CHEMISTRY -GRADES 12-13-Describes the extensive and intensive properties.
In the ms of any molecule containing the trityl group there is a recurrent intense peak with M/z = 243. What is the structure of this his fragment and why does it occur
A sample of blood serum is teasted and found to contain testosterone at a concentration of 766 ng/mL. How many grams of testosterone are present in 30.5 mL of this blood? What is the stoichiometric coefficient for oxygen
Calculate the molarity of the ions present in these salt solutions. Assume each salt to be 100% dissociated. Please show all work.
ch4 is one of the most important anthropogenic greenhouse gases but it has significant biogenic sources 50 of the
If a solution containing 63.411 g of mercury(II) chlorate is allowed to react completely with a solution containing 16.642 g of sodium sulfate, how many grams of solid precipitate will be formed. How many grams of the reactant in excess will remai..
What is the effect on the boiling point of a solution (e.g., water) produced by a soluble nonvolatile substance (e.g., sodium chloride)? What is the effect of an insoluble substance such as sand or charcoal?
Draw the structure of an optically active fat that yields 2 equiv of stearic acid and 1 equiv of oleic acid on hydrolysis. Draw the structure of an optically inactive fat that yields the same products.
how many grams of pbcl2nbspwill be produced if excess hcl is added to 30.00 ml of a 0.2319m solution of
Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00M solutions of their ions.
Biological systems usually work at 65% efficiency. How many mL of ethanol can you obtain from the fermentation of 0.65 lbs of sucrose
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