For question number 22 I`m getting the answer as y-2x but it is not in the option, so please suggest me which option is correctI`ve solved it as;S + 3/2O2 -->SO3 + 2x kJ as 1 SO2 + ½O2 --> SO3 + y kJ as 2and S + O2 --> SO2 + q kJ as 3Subtracting 1 from 2 I got 3, I.e.., q = 2x - yEnthalpy change = -q => -(2x-y)therefore, y - 2x is the answer

in a physics laboratory a block x is balanced by a block Y of mass 200 kg,each are suspended from a balance of equal lever arms .the scale pan on X is at a height.H1=2 cm ,where as scale pan on Y is at height 1 cm above the floor.the error in weighing is (in gram)

consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

 

 

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