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°?
x grams of a compound is dissolved in x grams of water. What is the q for water and the ∆H°?
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.
The energy of a radiation is given in kJ. What is the wavelength in m?
Determine if each item is macroscopic, microscopic or particulate.
Determine if each item is a chemical or physical change.
Determine if each items is a pure substance, a homogeneous mixture or a heterogeneous mixture.
Determine if each items is a pure substance, a homogeneous mixture or a heterogeneous mixture.
Given Celsius, Find Kelvin and Fahrenheit
You are given a Fahrenheit temperature and a Celsius temperature. Which is higher?
Given mass and volume. What is the density of the compound in g/mL? Would water be on top or below the compound?