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A sample of gas occupies 15.0 liters at a pressure of 2.0 atmospheres and a temperatures of 300 K. If the pressure is lowered to 1.00 atmosphere and the temperature is raised to 400 K, the volume of the gas sample would be?
Suppose the pH of the water is 3.88 and that the concentration of iron(II) in the water is 2.30x 10-5 M, what is the potential of the corrosion reaction under the above conditions at 298 K?
which of the following conceps best describes the reason that atoms are larger and electron energies are weaker as you
you mix 242 grams of NaCl with enough water to form 500 mL of solution. What is the final molarity?
Does nitro compounds cause any harmful effect on living things?
The 2-chloro 2-methylbutane is dried with anhydrous sodium sulfate in this procedure. Could solid sodium hydroxide or potassium hydroxide be used for this purpose
After a 5% HCl extraction of an ether solution, that initially contains dissolved carboxylic acid and amide, what component(s) would be found in the aqueous layer
A volume of 75mL of H2O is initially at room temperature (22C). A chilled steel rod at 2.00 C is placed in the water. If the final temperature of the system is 21.0 Celsius, what is the mass of the steel bar?
an ice cube tray holds 515 g water. if the water initially has a temperature of 21degc how many kilojoules of heat must
Differentiate between alkenes and alkynes, cis isomers and trans isomers. Describe how cis- trans isomers are used for night vision.
Write a balanced equation for the acid-base reaction between benzoic acid and KOH. Using a pKa table, predict which way the equilibrium is favored.
Hydrogen sulfide decomposes according to the following reaction, for which Kc = 9.30 10-8 at 700°C. 2 H2S(g) 2 H2(g) + S2(g) If 0.33 mol H2S is placed in a 4.7 L container
How many grams of water are needed to react with 78.0g CaCN2? How many grams of NH3 are produced from 5.19g CaCN2?
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