A ALEKS- Leslie Wong - Le C A Mixture Of Gaseous Re c Secure https://ww awhaleks

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A ALEKS- Leslie Wong - Le C A Mixture Of Gaseous Re c Secure https://ww awhaleks.com/alekscgi//Isl exe/1o ulgNslkr78P3 H-IQUabRdYYP6wOcqJcVVJdIACR0Qwyw24GWh Inb2zssQduS Pna O CHEMICAL REACTIONS Understanding the definitions of heat and work Leslie A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston From previous experiments, this chemical reaction is known to release 278. kJ of energy bath alo gases The temperature of the water bath is monitored, and it is determined from this data that 370-k/ of heat flows into the system during the reaction. is the reaction exothermic or endothermic? O endothermic O up Does the temperature of the water bath go up or down? neither O in out neither does work Does the piston move in or out? Does the gas mixture do work, or is work done it? O work is done on it O neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of significant digits. Check O Type here to search S:58 PM 2/11/2018

Explanation / Answer

1) ITS A EXOTHERMIC REACTION AS THE REACTION RELEASES ENERGY

2) THE TEMERATURE OF THE WATER BATH WILL GO UP AS THE ENERGY RELEASED FROM THE REACTIONS WILL BE TRANSFERRED TO WATER BATCH AND EXPANSION

3) THE PISTON WILL MOVE OUT AS HEAT IS RELEASED , GAS WILL EXPAND

4) THE GAS MIXTURE DOES WORK AS EXPANSION TAKES PLACE

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