Chemistry, 14.08.2020 01:01 tornadobrooks11
Exhibit 17-1 Use this list of half-reactions to answer the following question(s). MnO4β(aq) + 8H+(aq) + 5e β Mn2+(aq) + 4H2O(l) +1.51 V Cr2O72β(aq) + 6e β 2Cr3+(aq) + 7H2O(l) +1.33 V Cu2+(aq) + 2eββ Cu(s) +0.34 V Pb2+(aq) + 2eββ Pb(s) β0.13 V Fe2+(aq) + 2eββ Fe(s) β0.44 V Al3+(aq) + 3eβ β Al(s) β1.66 V Refer to Exhibit 17-1. An electrochemical cell consists of an iron cathode immersed in 1.0 M Fe2+(aq) and a copper anode immersed in 1.0 M Cu2+(aq). Depict this cell using cell notation and determine EΒ°cell.
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Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?
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For a family dinner, joseβs mom baked a loaf of bread. during the meal, his grandmother commented, βthis bread is so dense! β what do you think his grandmother meant by the word dense? you have some ideas regarding density already, but this experiment will enrich your understanding of the relationship between mass, volume and the density of objects. when making measurements in this experiment we will be using si units, the international system of units. the purpose of using si units is to have the ability to communicate and compare data results with other experiments without having to make conversions. measurement symbol si unit length m meter mass kg kilogram volume l liters density kg/l kilograms per liter any calculations that are performed during this experiment will ultimately be reported in scientific notation. recall that scientific notation is extremely important when we have data that is extremely small or large. scientists rely on a standard form of communication to quickly make hypotheses and judgements based on data. what is the density of block a? a0kg/l what is the density of block b? a1kg/l what is the density of block c? a2kg/l what is the density of block d? a3kg/l what is the density of block e? a4kg/l which block is the densest? a5
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Exhibit 17-1 Use this list of half-reactions to answer the following question(s). MnO4β(aq) + 8H+(aq...
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