5.031 – Calculate qH2O and ∆H°
OWLv2 for General Chemistry
Cengage
x grams of a compound is dissolved in x grams of water. What is the q for water and the ∆H°?
x grams of a compound is dissolved in x grams of water. What is the q for water and the ∆H°?
What is the atomic mass of the element?
Calculate the atomic mass from the table of values.
Calculate the value of R
Calculate the molar mass when grams, celsius, liters and torr are given.
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.
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.
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.
Find the volume in L when mol, atm and celsius are given.
The energy of a radiation is given in kJ. What is the wavelength in m?