Please write a paragraph identifying and explaining what you…
Please write a paragraph identifying and explaining what you think are the three most important long-term factors before 1850 that ultimately contributed to our national fragmentation in 1861. Feel free to examine a broad scope of history when considering your options. For example, you might want to pick your three choices from a field that includes everything from the before the constitutional convention to the long shadow of market revolution, court decisions, expansion, foreign policy, intellectual and cultural shifts, party politics, race, reform, technology, westward expansion, etc., etc.
Read DetailsAn unknown Element X has two naturally occurring isotopes:X-…
An unknown Element X has two naturally occurring isotopes:X-62 (mass = 62.0 amu)X-64 (mass = 62.0 amu)The average atomic mass is 62.8 amu. What is the percent abundance of each isotope? Round each percent to the nearest whole number or tenth as appropriate.
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