8.0575*10^-12 kg of Glauber's salt are dissolved in water to obtain 1 dm^3 of the solution of density 1077.2kg m^-3.Calculate the molarity,molality and mole fraction of Na2SO4 in the solution

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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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