Solution with an osmotic pressure
What mass of sucrose should be combined with 535g of water to make a solution with an osmotic pressure of 8.60atm at 275K? (Assume the density of the solution to be equal to the density of the solvent.)
Expected delivery within 24 Hours
In the titration of 50.0 mL of 1.0 M methylamine, CH3NH2 (Kb = 4.4 10-4), with 0.50 M HCl, calculate the pH under the following conditions.
A fluorinated organic gas in a cylinder is compressed from an initial volume of 960 mL at 158 Pa to 478 mL at the same temperature. What is the final pressure? Answer in units of Pa.
In an experiment, 201 mL of wet H2 is collected over water at 27 °C and a barometric pressure of 733 torr. The vapor pressure of water at 27 °C is 26.74 torr.
Draw a six-carbon-chain portion from syndiotactic polypropylene, in which the groups lie on alternating sides of the plane of the computer screen. represents the continuation of the polymer chain. Do not add any bonds to X.
a metal weighing 50.0g absorbs 220.0 J of heat when its temperature increases by 120.0 degrees celsius. what is the specific heat of this metal?
A solution is prepared by mixing 50.0 mL of 0.30 M Pb(NO3)2 with 50.0 mL of 1.4 M KCl. Calculate the concentrations of Pb2+ and Cl ‾ at equilibrium. Ksp for PbCl2(s) is 1.6 10-5.
When we say that something gives us "energy," what does that mean? What is a biological definition of energy? What is the physiological role of each of the molecules in your table?
At 100.0 degrees celsius and 1.00 atm, delta H= 40.6 for the vaporization of water. Estimate delta G for the vaporization of water at 90 degrees celsius and 110 degrees celsius. Assume delta H and delta S at 100 degrees celsius and 1.00 atm do not
1957764
Questions Asked
3,689
Active Tutors
1452072
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult