What mass of nacl is required to lower the freezing point
What mass of NaCl is required to lower the freezing point of 1.75kg of water by 2.5 C? What mass of CaCl2 would berequired to do the same?(Assume ideal Van't Hoff factors).
Expected delivery within 24 Hours
A solution is prepared by dissolving 20.2 mL of methanol in 100 mL of water. The final volume of the solution is 118 mL. The densities of methanol and water are 0.782 g/mL and 1.00 g/mL, respectively.
It then sails from the second island to the third island in a direction 70.0° west of north. Finally, it returns to the first island, sailing in a direction 28.0° east of south. (a) Calculate the distance between the second and third island
Determine the temperature and the total enthalpy in the container. The container is now heated until the pressure is 600 kPa. Determine the temperature and the total enthalpy at this state.
A stretched string is fixed at both ends which are 410 cm apart. If the density of the string is 0.035 g/cm, and its tension is 600 N, what is the wave length of the 6th harmonic? Answer in units of cm.
Determined the rate of energy transfers by mass into and out of the compressor. Assume the Kenetic and potencial energies to be negligible.
Assume that the tennis ball will hit the ground below the cliff. Determine the equation for the height of the ball after t seconds.
Weights of certain monkeys are distributed with a mean of 44.1 pounds and a standard deviation of 3.9 pounds. What is the probability that a randomly selected monkey will:
The electric field in an xy plane produced by a positively charged particle is 9.64(6.6 + 6.3) N/C at the point (3.9, 5.8) cm and 111 N/C at the point (5.3, 0) cm. What are (in cm) the (a)x and (b)y coordinates of the particle? (c) What is the cha
1936108
Questions Asked
3,689
Active Tutors
1448106
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The Joint Commission reported that [poor] communication was the root cause of 66% of Sentinel Events between 1995-2005.
Problem: Routine precautions are used with:? select that apply a) Residents who have a contagious condition
Option 1: Evaluate the approach you used with your first client(s) in building rapport and connecting to their backgrounds. How did you do?
Question: What assessment finding would indicate respiratory distress in your patient?
Why should a client trust you if you do not share the same background as them? How can you let a client understand and feel assured that you can help
Explain Powers and Faden's definition of social justice, as discussed in the article by Grace and Willis. How are nursing goals and social justice related?
Scientists make predictions using the best possible and most available knowledge that they have at the time.