What is the molar concentration of the sucrose solution
The osmotic pressure of 180.0 mL solution of sucrose(C12H22O11) in ethanol at28.0°C is 1.85 atm. What is the molar concentration of the sucrose solution? Assume ideal behavior of the solution.
Expected delivery within 24 Hours
Find the heat transfer and work per unit mass of air in KJ/kg for each process of the two cycles, and compare the thermal efficiency of each. Assume constant specific heats at room temperature, and k=1.4.
An organic compound (molar mass=97) is dissolved in water to form asolution with a density of 1.05 g/mL and a molarity of 2.09 M. What is the molality of the solution?
The Sun emits light waves with a power of 4x1026 Watts. Determine the intensity of light waves from the sun just outside the atmospheres of Venus, Earth and Mars.
We know that the average life of a light bulb is 10,000 hours. There are 12 lightbulbs in a classroom. In order for a class to be held in the room,9 or more lightbulbs must be working. Each light bulb works independently of the other light bulbs i
The force has magnitude 2.0 N and is directed at a counterclockwise angle of 100° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
A spring is initially compressed from a free length of 8in to a length of 6in, making a net initial compression of 2in. What additional work is done in comressing it 3in more (5 inches total) to a 3in length?
56g of metal carbonate, containing the unknown metal M, was heatedto give the metal oxide and CO2 according to thechemical equation below. The mass of CO2obtainedwas .376g. Determine the molar mass and identity of the metal. MCO3 = MO + CO2
A golfer lines up for her first putt at a hole that is 18 m exactly northwest of her ball's location. She hits the ball 18 m and straight, but at the wrong angle, 38 degrees from due north. 1. In order for the golfer to have a "two putt green," de
1927520
Questions Asked
3,689
Active Tutors
1437523
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Adler believed that your birth order determines, to a large extent, your personality. He stated that your traits reflect, somehow, how you have achieved
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Suppose that a group of researchers would like to explore how we perceive objects in the real world, rather than just in a laboratory
Bearing in mind that there may be several, choose a social, behavioral, or cultural factor associated with your selected domestic violence
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative
Examine historical literature to the most current period to see the growth of romanticism and EXISTENTIALISM. any major developments