Clay liner tiles are relatively inexpensive-about $10 for a typical 24â²-tall unit. But what you save on materials will most likely exceed the cost of installation labor. Clay flue liners are hard to retrofit in an existing chimney, especially if it isnât straight.lay liner tiles are relatively inexpensive-about $10 for a typical 24â²-tall unit. But what you save on materials will most likely exceed the cost of installation labor. Clay flue liners are hard to retrofit in an existing chimney, especially if it isnât straight.
Beaker tongs are best used to hold a hot beaker. Pick up hot glassware without heat protection and your skin will be injured. This is as true in the laboratory as it is in your kitchen. Lab tongs, part of a range of laboratory safety equipment, help you move hot ceramics and glassware safely.
Cut a 25-cm piece of copper wire and loosely coil it into the shape shown in Figure 1. Figure 1. Find the initial mass of the copper wire to the nearest 0.01 g and record it in the data table- Use a wooden splint to suspend the copper wire in the silver nitrate solution, as shown in Figure l. The copper wire should not be toaching the bottom or sides of the beaker. Carefully add 3 drops of 3 M nitric acid to the beaker.