Answers: 3
Chemistry, 22.06.2019 14:30
100 grams of molten lead (600Ā°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21Ā°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/gā
Ā°c; the latent heat of fusion and the melting point of lead are 2.45 Ć 104 j/kg and 327Ā°c, respectively.)
Answers: 1
Chemistry, 23.06.2019 00:00
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
Chemistry, 23.06.2019 00:30
On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density
Answers: 1
Chemistry, 23.06.2019 05:50
What is the molecular formula of ferrous nitrate and ferric nitrate
Answers: 2
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