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Give a detailed account on the relationship between logical and physical design

two cars each moving at constant speed on a straight road pass a certain point on the road at the same time if car A is moving at 23 m/s and car B is moving at 14 m/s how far apart will they be after five minutes if they contains at the same speed?


A tortoise moves at 0.5 m/s and hare moves at 6m/s if they decided to have a race over a straight 500m course how far be lined the hare will the tortoise be when the hare crosses the finish line?


Idriss, a registered nurse, operates a home health care service to assist with the medical, meal preparation, and light housecleaning needs of older adults. When Idriss makes strategic plans for his business to deal with an expected decline in the number of older people in the population, he is paying attention to the ________ environment.





Your given with N number of coordinates and you have to create a polygon such that they will make a polygon with maximum area


What is a module namespace? How is it useful?


3. Consider the system, G + H <===> I + J at 25 °C. What is the total free energy change of this system if the total enthalpy change (heat content change) of the system is 2637 J/mol and the total entropy change is -0.78 kJ/mol.K ?

 

Is the system described in problem #5 endothermic or exothermic? _______________________ 

Is the system described in problem #1 endergonic or exergonic? _________________________

 

4. Consider the two systems shown below. These systems are coupled such that compound X carrying a phosphate group (X-P) transfers the phosphate to compound Y forming Y-P (that is Y carrying a phosphate group). (Pi represents unbound phosphate.)

Reaction 1: X-P + H2O <===> X + Pi ∆G = -43.0 kJ/mol Reaction 2: Y + Pi <===> Y-P + H2O ∆G = +29.4 kJ/mol

What is the ∆G for the combined system? ___________________________________________ 

Which reaction (system) is driving the other to proceed? _________________________________



1. Consider the system, A + B <===> C + D at 25 °C. What is the total free energy change of this system if the total enthalpy change of the system is -3145 J/mol.K and the total entropy change is +0.47 kJ/mol.K ?

 

Is the system described in problem #1 endothermic or exothermic?

______________________ 

Is the system described in problem #1 endergonic or exergonic? _________________________

 

2. If the total free energy change of the system X + Y <===> X-Y at 37 °C is +2618.2 J/mol and the total entropy change is -173.5 J/mol.K , what is the total enthalpy change?

 

Is the system described in problem #3 endothermic or exothermic? _________________________ 

Is the system described in problem #3 endergonic or exergonic? _________________________

 



How many grams of Sodium hydroxide would you need to make 1L of  a 2M solution ?


Directions: Find the corresponding area between z = 0 and eachof thefollowing z-value. Use separate sheet of paper for your answers. 1. z = 0.96 2. z =− 1.74 3. z = 2.18 4. z =− 2.69 5. z = 2.93


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