What is the word and balanced chemical equations for the eroding of limestone by acid rain
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A worker A began digging a trench. After three days, another worker B joined him
It now took them eight more days to complete the work. Instead, if during the first three days, B alone would have worked, then both of them would have required another nine days to complete the job How much time would each take to complete the job. How much time would each take to complete the job separately?
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H2O (l) + H2CO3 (aq) ⇌ HCO3− (aq) + H3O+ (aq) Unpolluted rain can also contain other chemicals which affect its pH (acidity level). A common example is nitric acid produced by electric discharge in the atmosphere such as lightning.
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