5.031 – Calculate qH2O and ∆H°
OWLv2 for General Chemistry
Cengage
01st Edition
x grams of a compound is dissolved in x grams of water. What is the q for water and the ∆H°?
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x grams of a compound is dissolved in x grams of water. What is the q for water and the ∆H°?
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What is the atomic mass of the element?
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Calculate the amu of a given element using the data in the table.
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Calculate the atomic mass from the table of values.
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Fill in the table with the following: Name of Element, Elemental Symbol, Atomic Number, Number of Protons, Number of Neutrons, Mass Number, Nuclear Symbol, Name of Isotope.
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Gas is either compressed or expanded. Joules of work and heat are given. You are also told if the surroundings does the work or has work done to it and if heat is absorbed from the surroundings or lost to the surroundings. Calculate the change in internal energy.
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Complete the table Joule, kcal, kJ
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A wind turbine can power x homes using x joules of energy. How many kilowatt-hours is this?
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It takes x BTUs to heat a house of x sqft, how many kJ of energy is this?
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Gas is either compressed or expanded. Joules of work and heat are given. You are also told if the surroundings does the work or has work done to it and if heat is absorbed from the surroundings or lost to the surroundings. Calculate the change in internal energy.
Your numbers will vary.