Find the osmotic pressure of the solution
69.7 grams of solute with a molecular mass of 2790 grams are dissolved in enough water to make 1.00 dm3 of solution at 20 degrees Celsius. What is the osmotic pressure of the solution?
Expected delivery within 24 Hours
Calculate the molarity of an aqueous NaOH solution if 30.10ml of .500M H2SO4 is required to reach the end point when titrated against 10.00mL of NaOH solution. The balanced chemical solution equation for this neutralization is 1H2SO4+ 2NaOH
At 710. mm Hg, a sample of nitrogen gas occupies 625 mL. What volume does the gas occupy if the temperature remains constant and the pressure increases to 760. mm Hg?\
Hydrazine, N2H4, is used as a rocket fuel. It reacts with oxygen to to form nitrogen and water. How many grams of hydrazine would be needed to react with 100 grams of oxygen?
Copper metal has a specific heat of .385 J/g.degrees C. Calculate the amount of heat required to raise the temperature of 22.8g of Cu from 20.0 degrees C to 875 degrees C.
If 0.500 g of antacid was added to 50.00 mL of 0.100 M HCL and 5.65 mL of 0.100 M NaOH was required to titrate the un-neutralized HCL, calculate the actual neutralizing capacity of the antacid in mmol H+ per gram.
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.134 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 24.5°C, what is the minimum temperature reached by the solution?
In the reaction PCl3 + Cl2 ---> PCl5, what will happen to the rate (increase, decrease, no effect) when a) the concentration of PCl3 was increased, b) if the concentration of Cl2 were decreased, c) if the concentration of PCl5 were decreased, a
How do the densities of metals can be calculated? Could this method be used for determining the density of mercury as well? Briefly explain your answer.
How many minutes does it take for the concentration of the reactant, [A] , to drop to 6.25& of the original concentration?
If 28.8g of methane gas CH4 are introduced into an evacuated 2.00-L gas cylinder at a temperature of35c what is the pressure inside the cylinder? note that the volume of the gas cylinder is constant.
1950436
Questions Asked
3,689
Active Tutors
1437264
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Would you consider choosing feminist, solution-focused,or narrative therapies. What empirical evidence is available to support the use of these theories?
Both the LOCADTR and the ASAM-PPC can be used to complete the level of care assessments. Which one might you prefer to use and why?
What can transformative learning do for adult learners that other pedagogy styles and instructional designs cannot do? Explain.
Describe the following programs with regard to Food Assistance for Low-Income Individuals. a. Supplemental Nutrition Assistance
How are the reading a black feminist disability of framework connected with Reflections on Re-Creating Biological Race and the Entrapment of Black People?
Between the years 1931-1940, what are some examples of "the Two Spains" or "las dos Españas" and how did this phenomenon manifest itself
It is true there are more voters in the northern part of the state. But that shouldn't allow the north to dictate to the south.