Item 8 School administrators need to revise the emergency exit routes because construction at the school will block one exit for several weeks. They use a floor plan of the school to model the exit route from each room of the school. What is the next step in the process? Choose the correct answer.

Design and test solutions.

Optimize design solutions.

Define and delimit the problem.

Implement and communicate results.

this anwer is define and delimit the problem

Explanation:

The qualifications for an emergency exit are as follows: it must be in a location that is easily accessible, the exit must have an area or location that can carry people in in the event of an emergency situation, it must be controlled by people in the building, it must be well managed and regularly maintained, and must be in a permanent location. Usually in a strategic location (for example on a staircase, hallway, or other possible place) opens an exit with a crash bar above it and with an exit sign leading to it. The name is a reference when it is often used, however, the fire exit can also be the main door that must be opened from inside the room. A fire escape is a special type of emergency exit, installed on the exterior of a building.

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answer: the value of enthalpy change will be -152.80 kj.

solution:

pressure = 1atm , temperature = = 298 k

given that pressure and temperature are same in both gases , the number of moles of both gases can be determined by the ideal gas equation.

according to reaction 3 moles no are reacting with 1 mol of ,then 0.49 mol of no will react with moles of ozone that is 0.16 moles of ozone. since, no is limiting reagent and is an excessive reagent.

enthalpy change for the reaction between the given volumes of the gases is :

i have no clue hope you find the answer