Molar mass of the unknown liquid
A solution containing 10 grams of an unknown liquid and 90 grams of water has a freezing point of -3.33 degrees celcius given kf=1.86 for water the molar mass of the unknown liquid is?
Expected delivery within 24 Hours
If a rod of 1025 steel 0.5 m (19.7 in) long is heated from 20 to 80 deg C (68 to 176 deg F) while its ends are maintained rigid, determine the type and magnitude of stress that develops. Assume that at 20 deg C the rod is stress free.
what is the work in joules done on the system to compress He gas from 24.0 L to 12.5 L against a pressure of 1.5 atm at a constant temperature of 37.4 C?
You are the environmentalofficer attatched to Pesticide and Toxic Chemicals Control Board. Prepare a technical brief for the Chairman of the Board on strategies for the disposal of herbicides and herbicide containers in your country.
A man of mass m1 walks along a plank of length l with a constant acceleration a relative to the plank. The mass of the plank is m2 and the coefficient of friction between the plank and the ground is mu.
The total quantity of coal burned in Canada and the United States in a year is approximately 450 x 106 t. The average quantity of sulphur in coal is 2.5%. Calculate the mass of sulphur contained in coal.
When she introduced 3.63E-2 moles of N2(g) and 6.18E-2 moles of H2(g) into a 1.00 Liter container, she found the equilibrium concentration of NH3(g) to be 9.68E-4 M. Calculate the equilibrium constant, Kc, she obtained for this reaction.
A tightly sealed 5.0 L flask contains argon at 71.6 deg. C and 781 mm Hg. The flask is heated until the pressure is doubled. What it the temperature of the gas?
An underground iron pipe in damp soil is to be protected from rusting. Which of the following techniques would NOT work?
1938681
Questions Asked
3,689
Active Tutors
1452734
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: What is an alternative to HRT that is currently under investigation?
Which of these is a statement of opinion? Steroid use has been linked to a wide variety of health problems, including strokes and stunted growth
Theophylline is administered as an intravenous infusion at a constant rate of 30 mg/h. Calculate the steady state plasma concentration
Question: Identify the four (4) signs of an acute inflammatory response:
hat have you accomplished since the last meeting/discussion? What is you plan to accomplish before next meeting?
Select an exercise and describe the parameters a person should consider in order to safely perform the exercise while achieving effective results.
Problem: Provide one underpinning regulation from the Education and Care Services National Regulations (National Regulations)