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Write a program to do the following tak





Four Strings are accepted through command line arguments.





Each string is passed to a function inPalindrome) that checks whether the string is a palindume or net and retums true or falser accordingly





If the string is a palindroene it is stored in a text file named "Palindrome.txt"





and print a user friendly message on console also

Write the expression as a single logarithm.


4log6x-1/5 log6z + 2log6y



A circular oil spill has a radius of 2 miles. After a day, the radius of the oil spill increases by 3 miles. By how many square miles does the area of the oil spill increase? Round to the nearest thousand, if necessary


show in a truth table that p↔q and (p^q) v (¬p^¬q) are logically equivalent.


Calorimetry involves the measurement of the ___________________. 


a. quantity of work exchanged between a systems.


b. quantity of heat exchanged between the systems.


c. quantity of heat exchanged between a system and the surroundings.


d. quantity of work exchanged between a system and the surroundings.


The symbol, q-, means ___________. 


a. Work is done on the surroundings.


b. Heat flows from the surroundings to the system.


c. Heat flows from the system to the surroundings.


d. Work is done on both the system and the surroundings.


The amount of energy needed to increase the temperature of a material by 1°C. 


a. specific heat transfer


b. heat capacity


c. coffee cup calorimeter


d. heat constant


The standard enthalpy of a reaction can be ___________. 


a. calculated as the sum between the difference of the standard molar enthalpies of formation of products only.


b. calculated as the difference between the sum of the standard molar enthalpies of formation of reactants only.


c. obtained as the difference between the sum of the standard molar enthalpies of formation of products and reactants.


d. obtained from the different thermochemical equations by applying the first law of thermodynamics.


The amount of heat absorbed or released by a chemical reaction at constant atmospheric pressure. 


a. standard molar enthalpy


b. enthalpy of products


c. enthalpy of reaction


d. enthalpy


When heat flows from the system to its surroundings, heat is ________. 


a. equal


b. positive


c. negative


d. neutral


Enthalpy of reaction is positive when _______________. 


a. chemical reaction is both endothermic and exothermic.


b. chemical reaction is endothermic.


c. the amount of heat transferred and absorbed are unequal.


d. chemical combustion does not happen.


When work is accomplished on the system, it _________ 


a. gains work and energy is denoted as positive.


b. gains energy and work is denoted as negative.


c. gains work and energy is denoted as zero.


d. gains energy and work is denoted as positive.


Explosion of a firecracker triggered by a spark is _________. 


a. exothermic


b. partly exothermic


c. both endothermic and exothermic


d. endothermic


Hess’s law applies the rule that enthalpy is an ________. 


a. extensive property.


b. intensive property.


c. extensive process.


d. intensive process




Law of Conservation of Energy states that, ______________.


a. The energy of the system and the of the surroindings are unrelated.


b. Energy can neither be created nor destroyed.


c. Energy can neither be created nor transferred.


d. The change in energy of a system is equal to the heat absorbed and released.


A calorimeter is an____________________. 


a. insulated coffee cup that that transfers an immense amount of heat.


b. excellent insulator that works without a thermometer.


c. insulated apparatus that contains water or any liquid of known heat capacity.


d. apparatus that has water or any liquid with unknown heat capacity.


Thermal decomposition of limestone to form calcium oxide and carbon dioxide is ________. 


a. exothermic


b. endothermic


c. both endothermic and exothermic


d. partly exothermic


The first law of thermodynamics hints that __________. 


a. net energy flow to or from any surroundings comes in either heat or work.


b. net heat flow to or from any system comes in either energy or work.


c. net energy flow to or from any system comes from the surroundings.


d. net energy flow to or from any system comes in either heat or work.


Hess’s law states that the __________________. 


a. enthalpy of a sum of a series of reactions is unequal to the sum of the enthalpies of those two reactions.


b. enthalpy of a sum of a series of reactions is equal to the sum of the enthalpies of those two reactions.


c. enthalpy of a sum of a series of reactions is equal to the sum of the heat capacities of those two reactions.


d. enthalpy of a sum of two reactions is equal to the difference of the enthalpies of those two reactions.


Heat is a form energy transfer between objects as an effect of their difference in _________.


a. temperature


b. volume


c. energy


d. pressure


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