Chemistry, 27.06.2020 02:01 tareas7009
The molar heat of fusion of iron(II) sulfide (FeS) is 20.9 kJ/mol. What mass of melted FeS at its melting point must solidify to release 150.0 kJ of energy? Round to the nearest whole gram
Answers: 3
Chemistry, 21.06.2019 15:30
Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.
Answers: 3
Chemistry, 22.06.2019 05:30
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 13:50
How does the motion of particles in a gas change as the gas cools
Answers: 2
The molar heat of fusion of iron(II) sulfide (FeS) is 20.9 kJ/mol. What mass of melted FeS at its me...
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