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If the volume of a gas container at 32.0 °C changes from 1.55 L to 755 mL, what will the final temperature be? A) 149 °C B) 353 °C C) -273 °C D) -124 °C E) none of the above
The density of an 40.0% w/w ethanol (C2H5OH) solution is 0.935 g/mL. What mass of ethanol does 225.0 mL of this solution contain
How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters.
You wish to prepare 0.13 M HNO3 from a stock solution of nitric acid that is 13.1 M. How many milliliters of the stock solution do you require to make up 1.00 L of 0.13 M HNO3?
Suppose that you have 175 mL of a buffer that is 0.300 M in both benzoic acid (C6H5COOH) and its conjugate base (C6H5COO%u2013). Calculate the maximum volume of 0.250 M HCl
What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia?
Sodium-24 has a half-life of 15.0 hours and is used to study blood circulation. If a patient is injected with 20.0 grams of Na-24 (usually done in the form of 24NaCl), how much is still present in the patient after 4.0 days?
The temperature of the ideal gas in the container shown is 300 K. The gas occupies a volume of 1.27 m3. What would be the volume of the gas if its temperature were decreased to 100 K? No blocks are added to or removed from the lid.
How many moles of cobalt (Co) atoms are there in 5.00 x 10^9 (5.00 billion) Co atoms? Enter your answer in scientific notation.
A sample of a gas occupies a volume of 323 mL at 625 torr. At constant temperature, what will be the new volume when the pressure changes to the following:
what is the literature value for the Ksp of potassium hydrogen tartrate in water at 10, 22.5, 35, 50 degrees?
The student then adds water to the flask dissolving the sugar the mass is now 204.274g. calcuate the density of this solution
If 250 ml of H2SO4 of unknown concentration with a methyl orange indicator present is titrated with [0.345 M] NaOH, the red solution turns yellow after 20.4 ml of the NaOH is added. What is the molarity of the H2SO4 solution
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