They say their research shows, for the first time, that caffeine, catechols, and chemical-substances called N-alkanoly-5-hydroxtryptamides stimulate molecular mechanisms of stomach acid secretion in human stomach cells.
Page 1 of 7. Specific Heat. Objectives. In this lab you will. â¢ measure the specific heats of aluminum and lead using a calorimeter and the. Vernier Temperature Sensor. â¢ observe how the temperature of your system reaches equilibrium in real time. â¢ plot your data and analyze it using the Vernier Logger Proâ¢ software.
L = the original length. Using a thermal expansion coefficient of 13 x 10-6 per Â°F, this 40Â°F difference in temperature. translates to a difference in thermal expansion of almost 0.2 inches over a 30-foot length. However, it is important to consider the entire expected thermal excursion. Bare aluminum may see a.