Calculate the molar heat of vaporization of liqiud nitrogen
60.0g liquid nitrogen(boiling point -196 celcius) is poured in a styrofoam cup containing 200g of water at 55.3 Celcius. Calculate the molar heat of vaporization of liqiud nitrogen if the final temperature of water is 41 Celcius.
Expected delivery within 24 Hours
A 130 kg mail bag hangs by a vertical rope 3.2 m long. A postal worker then displaces the bag to a position 2.2 m sideways from its original position, always keeping the rope taut. What horizontal force is necessary to hold the bag in the new posit
The service pulls a random sample of 50 reports in that sample, the average length of calls was 1.2 minutes with a standard deviation of 0.6 minutes. Construct a 90% confidence interval for the average length of a call for their entire population.
Calculate the absolute standard deviation for the value 17.26% if this value was obtained from the following data: weight of barium sulfate collected = (56.8361 +/- 0.0001g - 51.0915 +/- 0.0001g), weight of sulfate = answer x (96.034/233.391), wei
Two years ago, a random sample of 1000 homeowners showed that 435 of them had flower gardens. This year an independent random sample of 1000 homeowners showed 380 of them have flower gardens. Test to see if the proportion of homeowners who have fl
An electron starts from rest at point A and has a speed of 5 106 m/s at poduring this motion. Determine the electric potential difference VA - VB.
If the pressure just downstream from the valve is 138 kPa, what is the temperature? Assume for nitrogen that P V / T is constant, CV = (5/2) R, and CP = (7/2) R.
What is the magnitude and sign of the molar heat of vaporization of butane? Explain your reasoning using Hess's Law. is your sign for the heat of vaporization realistic? Explain.
The stirrer is used to stir the mixture gently until it reaches its final equilibrium temperature of 32°C. Calculate the mass of the aluminum cup.
1928914
Questions Asked
3,689
Active Tutors
1431544
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
You are required to write a descriptive paragraph for this assignment. You may choose any person you have known personally or any place that was important
Begin by reading aloud/ listening to "I Hear America Singing" by Walt Whitman. Write your thought about the Whitman poem.
Choose your all-time favorite movie and write a short argument persuading the reader (your instructor) to watch the movie.
Why has the provider of choice shifted from rail to motor modes? With the shift to motor freight carriers, the amount of traffic accidents have sky rocketed;
Post a minimum of one tip, strategy, technique, and/or best practice you think your peers would benefit the most from knowing about
Transitioning from volume-based to value-based healthcare delivery impacts multiple aspects of an organization.
Analyze the ending of the novel. What are the "circles of sorrow" that Nel experiences? Is the ending pessimistic, optimistic, or something else altogether?