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Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)
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100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)
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How is the shape of the poem “peer” connected to its meaning?
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How many moles are in 24 grams of carbon...
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