Students in Integrated Chemistry Laboratory (CHM 317) use equipment received from the HP Grant to analyze real time temperature during Bomb Calorimetry of Fuels

Students measured the temperature change as a function of time during the exothermic reaction inside the Bomb Calorimeter.  PASCO temperature probes purchased through the grant allowed real-time display of temperature inside the calorimeter using Datastudio on the HP Grant Tablets.

Students in Chemistry I Laboratory (CHM 109) use equipment received from the HP Grant to do a Spectrophotometric Analysis of a Cobalt Complex

Students mixed various dilutions of a stock solution of cobalt complex:  Co(NO2)2[C2H2(NH2)2]2NO3.  Then they measured the absorbance of each diluted solution using the Spectronic 20 set at a wavelength of 430 nm.  Next, the concentration of the sample was calculated using the Beer-Lambert law:  A = abc where A is the absorbance, a is the molar absorptivity, b is the cell thickness and c is the concentration of the absorbing substance in the solution.  The absorbance is defined as the log of the ratio of the initial light intensity to the transmitted intensity.   Approximately 60 students enrolled in CHM 109 utilized this equipment.