Double Displacement Reactions: Forming Precipitate Lab Answers

Introduction In this lab, double replacement reactions between compounds were done in order to determine the equation and description of a new substance. During the lab, each participant was given drop bottles, spot plates. The drop bottles contained different compounds which were dropped into the spot plates and mixed together. Compounds were combined together and…

Determining Heat Capacity of Water Lab Answers

Introduction In this experiment you will measure the heat capacity of water using an electrical immersion heater. Prediction Throughout this experiment we predict that the change in temperature compared to he amount of heat added to the water will be constant thus making it proportional. Materials Power supply Immersion heater Connecting wire Thermometer Calorimeter Balance…

Chapter 4 LAB Activity: Eratosthenes and the Earth’s Circumference Answers

Introduction Eratosthenes, a Greek geographer (about 276 to 194 B.C.), made a surprisingly accurate estimate of the Earth’s circumference. The legend follows that Eratosthenes used a deep vertical well near Syene, in southern Egypt which was entirely lit up by the sun at noon once a year as the basis of his calculations. He reasoned…