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A solution is made by mixing 41.0 mL of ethanol, C2H6O, and 59.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? Values at 20 C: ethanol, density = 0.789 g/mL, VP = 43.9 torr water, density = 0.998 g/ml, VP = 17.5 torr
The reaction of 2.30g N2 with excess H2 produces 2.00g NH3. The percent yield of this reaaction is?
It takes 47.0 to raise the temperature of an 10.6 piece of unknown metal from 13.0 to 24.7. What is the specific heat for the metal?
A quantity of gas under a pressure of 1.78 atm has a volume of 550 cm square. the pressure is increased 2.50atm while the pressure remains constant what is the new volume.
An empty 2.0 L soda bottle is tightly capped at 22 degrees Celsius and 650 mmHg. If the bottle is placed in water at 95 degrees Celsius, what is the pressure in the bottle?
What is the pH of the solution obtained when 135 mL of 0.618 M NaOH is diluted to 16.0 L with water?
How Much Chlorine Must be Added to a Swimming Pool? A solution used to chlorinate a home swimming pool contains 7% chlorine by mass. An ideal chlorine level for the pool is one part per million (think of 1 ppm as being 1 g chlorine per million gra..
When hcl and nahco3 are mixed together, a chemical reaction takes place in which a gas is one of the products. What is the molar mass of a sample of gas
calculate the volume of O2 the bottle could deliver to a climber at an altitude where the temp is -38 C and the atmospheric pressure is 0.40 atm.
A solution is prepared by mixing 63.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
How many moles are present of an ideal gas at the following conditions: 1.0 atm, 25.00C
An ice cube of mass 10.0g. Is at -20oC. How much energy is needed to make the ice into steam at 172oC?
One mole of acetyl chloride was mixed with one mole of dimethylamine. After the reaction is complete, what species can be found in the mixture? Draw only the organic structures
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