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Author Archives: Anonymous

An old wooden object contains half as much carbon-14 (half-l…

An old wooden object contains half as much carbon-14 (half-life 5700 yrs) as modern wood. How old is the sample?

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Commercial nuclear reactors are based on _____.

Commercial nuclear reactors are based on _____.

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Which factor does not affect the solubility of a solid in wa…

Which factor does not affect the solubility of a solid in water?

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What is the percent by mass for 50 g of NaOH dissolved in 25…

What is the percent by mass for 50 g of NaOH dissolved in 250g of solution?

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What is the equilibrium expression for  2NO(g)+O2(g)

What is the equilibrium expression for  2NO(g)+O2(g)

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What is the molarity of a solution of 0.15mol of AgCl in 200…

What is the molarity of a solution of 0.15mol of AgCl in 200ml of solution?    

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Between hexane (non-polar hydrocarbon) and LiCl (ionic salt)…

Between hexane (non-polar hydrocarbon) and LiCl (ionic salt), which should be more soluble in water?

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For this reaction, CH4(g) + 2H2O(g)

For this reaction, CH4(g) + 2H2O(g)

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Breathing is a direct application of  ____.

Breathing is a direct application of  ____.

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How many orbitals are in a 2p subshell?

How many orbitals are in a 2p subshell?

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