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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Calculate the amu of a given element using the data in the table.
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Calculate the value of R
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Calculate the molar mass when grams, celsius, liters and torr are given.
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A radioactive sample has a mass of x grams. After being set aside for a certain number of days (also given in a fraction of a year) the sample now contains x grams. Determine the half-life in years.
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Otzi was found in a glacier. Carbon dating shows x units present at his time of death and x units remaining today. The half life of carbon-14 is also given. Determine how old Otzi is.
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Find the volume in L when mol, atm and celsius are given.
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The energy of a radiation is given in kJ. What is the wavelength in m?
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Determine if each items is a pure substance, a homogeneous mixture or a heterogeneous mixture.
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