Chemistry, 20.09.2020 16:01 lucialovell6804
In the following description of Fe, some of the properties are physical and some are chemical. Identify which of the properties are chemical.
a. Iron (Fe) is a lustrous silver gray metal.
b. Iron powder dissolves in an acidic solution with the evolution of a gas.
c. Iron has a density of 7.87 grams per cubic centimeter, melts at 1538 o C and boils at 2862 o C .
d. Iron forms complexes with molecular oxygen in proteins like hemoglobin and myoglobin
e. Iron rusts readily in moist air.
Answers: 3
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How have the greenhouse gasses increased from the year 2000 to 2018
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Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol
Answers: 3
In the following description of Fe, some of the properties are physical and some are chemical. Ident...
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