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Underwater, the pressure rise by 1 bar for every 33 feet of depth. Deep sea divers habitually breathe a mixture of gases that is depleted in oxygen in order to avoid oxygen toxicity, which can take place when the partial pressure of O2 exceeds 1.4bar. Explain what is the maximum mole percent of O2 in a mixture that could be utilized by divers at depths up to 190.0 feet?
How many milliliters of a 0.150 M magnesium hydroxide solution are needed to neutralize 1.282 L of a hydrochloric acid solution that is 0.1048 M
In the reaction below, 4.86 atm each of H2 and Cl2 were placed into a 1.00 L flask and allowed to react: H2(g) + Cl2(g) 2 HCl(g) Given that Kc = 89.9, calculate the equilibrium pressure of HCl.
A solution if prepared by dissolving 20.2 mL of methanol, CH3OH, in 100.0 mL of water. The final volume of the solution is 118 mL. The density of the pure methanol is 0.782 g/mL while the density of pure water is 1.00 g/mL
The mixture is ignited with a spark and it reacts to form H2O (l)liquid water. determine the temperature of water?
Identify the original liquid and write a structure for the solid derivative. After identifying the unknown liquid, can you indicate what the structure of the precipitate obtained on reaction with bromine might be?
Give the bond angle and describe the shape around the central atom designated in this molecule.
The Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). Explain how much limestone in kilograms would be needed to completely neutralize a 5.2 × 10 9 L lake containing 5.0 × 10 -3 g of H2SO4 per li..
The following reaction is first order, C2H6---> 2CH3. If the rate constant is equal to 5.5x10^-4s^-1 at 1000K, how long will it take for 0.35 mol of C2H6 in a 1.00 L container to decrease to 0.20 mol in the same container
The freezing point of ethanol (C2H5OH) is -114.6 C. The molal freezing point depression constant for ethanol is 2.00C/m. What is the freezing point (C) of a solution prepared by dissolving 50.0g of glycerin (CH3H8O3, a nonelectrolyte) in 200.0g of..
The molar mass of cellulose is approximately 6.0 x 10^5 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 10^3 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5.
A concentration cell is built based on the following half reaction by using two pieces of iron as electrodes (each weighing 100.0 g), two Fe3+ solutions, 0.149 M and 0.431 M (both exactly 1.00 L in volume), and all other materials needed for a gal..
Calculate the pressure when temperature is increased to 383 0C and volume of container keeps constant?
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