Calculate the Work Done by the System When 2 Moles

question 69

Multiple Choice

Calculate the work done by the system when 2 moles of hydrogen gas is produced by the following reaction in a flask fitted with an inflatable balloon.
Zn(s) +2HCl(aq) = ZnCl₂(aq) + H₂(g)

• A)+4.8 kJ
• B)-4.8 kJ
• C)0 kJ
• D)2.0kJ

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