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Six liters (0.006 m3) of liquid H2O at 32 C (mass A) and one liter (0.001 m3) of solid H2O ice at -32 C (mass B) are sealed in a flexible, perfectly insulated container. The ice is wrapped in plastic so the masses do not mix. Find the final temperature (C), volume (m3) and total work (kJ) of the H2O after sufficient time elapses for thermal equilibrium to be achieved. The mass and energy of the container and plastic wrap are negligible. The internal pressure is constant at local atm. pressure of 100 kPa. The flexible container allows expansion & contraction so work is not equal to zero (but it will be a small amount). NOTE: Moderate pressure (<100 bar) has little effect on liquids and solids so the properties of saturated solid and saturatedliquid at the appropriate temperature are valid for any moderate pressure above the saturation pressure.
Show a State Table with properties at the initial and final states.
Roughly sketch a graph of temperature versus time (no scale) showing the relative changes in the temperatures of mass (A) and mass (B).
fifteen people will be enrolled in a four-week foreign language course. on the first day the instructor gives the
Conduct the most appropriate hypothesis test using a 0.05 significance level to determine if there is a statistically significant difference between the reading of both instruments.
Discuss a hospitals total maintenance costs, and use regression analysis to estimate the fixed cost element of maintenance and the variable cost associated with the number of patient-days.
How many units of capacity should be built to minimize the total cost of providing capacity plus lost sales?
two prison inmates communicate in binary by tapping on the adjacent wall. suppose that the probability of receiving a
A market analyst for the Weber Refrigerator Company has visited various appliance stores in a city to get data on the selling price of different brands of refrigerators. Estimate the population regression equation and interpret the result
You are planning to test a vaccine for a virus that has no vaccine. Since the disease is usually not serious, you will expose 100 volunteers to the virus. After some time, you will record whether or not each volunteer has been infected.
Certo has complained that he was misrated on his January mission. Both ratings should be 10's, he claims to the chief, who agrees and recomputes the schedule. Do any changes occur over the schedule set in part (b)? What are the strengths and weakn..
representatives of the franklin insurance company take medical information over the phone from prospective policy
consider the formula used for any confidence interval and the elements included in that formula. what happens to the
An experiment with three outcomes has been repeated 50 times, and it was learned that E1 occured 20 times, E2 occured 13 times, and E3 occured 17 times.
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
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