A student wishes to set up an electrochemical cell. The following list of materials and equipment will be used:• two 250-ml beakers• wire• one piece of Zn metal• 125 ml of 0.10 M Zn(NO3)2• voltmeter• switch• one piece of Pb metal• 125 ml of 0.10 M Pb(NO3)2For the cell to operate properly, the student will also need:A) an anodeB) a cathodeC) an external path for electronsD) a salt bridge
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The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?
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A student wishes to set up an electrochemical cell. The following list of materials and equipment wi...
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