Calculate the mass of propylene glycol required
To obtain the same antifreeze protection requires 76 of propylene glycol to replace each 62 of ethylene glycol. Calculate the mass of propylene glycol required to replace 7.00 of ethylene glycol. The density of ethylene glycol is 1.12 .
Expected delivery within 24 Hours
Starting with only the solid, it is found that 40 degrees Celsius the total gas pressure (NH3 and CO2) is 0.363 atm. Calculate the partial pressure of NH3 and CO2.
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 750. mm Hg. What is the partial pressure of each of the gases?
How much heat in kj would be required to vaporize 1.00 L of diethyl ether (C4H10O), density is 0.714g/mL at 298 K, if the enthalpy of vaporization at this temperature is 26.0 kj/mol?
Sodium thisulfate, Na2S2O3, is used as a fixer when developing photographic film. What is the mass in grams of Na2S2O3 needed to make 100ml of a 0.25 solution?
A room contains 48 kg of air. How many kilowatt-hours of energy are necessary to heat the air in the house from 7 degrees celcius to 28 degrees celcius? The heat capacity of air is 1.03 j/g degrees celcius.
At a certain temperature, the vapor pressure of pure benzene (C6H6) is 0.930 atm. A solution was prepared by dissolving 14.0 g of a non-dissociating, nonvolatile solute in 78.17 g of benzene at that temperature. The vapor pressure of the solution
A 45- piece of ice at 0 is added to a sample of water at 20. All of the ice melts and the temperature of the water decreases to 0. How many grams of water were in the sample?
The epiglottis and the vocal cords then shut, trapping the air in the lungs, where it is warmed to 37 ^circ rm C and compressed to a volume of about 1.70 rm L by the action of the diaphragm and chest muscles. The sudden opening of the epiglottis a
The solvent benzene has a normal freezing point of 5.5 C if 1.00 g of an unknown dissolves in 20.0 g of benzene gives a solution with a freezing point of 4.2 what is the molecular weight of the unknown?
A solution contains 29 g of sucrose (C12H22O11), a nonelectrolyte, dissolved in 929 g of water. What is the boiling-point elevation?
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A system has a set of rules to examine the client data and determine the best charting tool object to Show the data. Which pattern serves this purpose?
While all of the world's religions contain some holdover elements of the earlier shamanic tradition, the Daoist traditions. Why do you think this was the case?
Identify the organization or company for which you want to perform a writing audit. Then identify which materials you need to gather.
How does the film illuminate our culture today? How you organize this is up to you! You can use video if you want or bring in pictures, clips, etc.
How a teaching assistant could help to implement the poetry mini-unit to the students with additional needs and how you would monitor, document and report.
Can information obtained through the Foreign Intelligence Surveillance Act (FISA) and FISA court warrants be used in criminal trials? Discuss why or why not?
What is the function (purpose) of each of these objects? How might the size and material of each object influence the meaning of each object?