Condensation – Another Mystery

Transcript

Example 1 :- Suppose We take 2 glasses of Water :- One lce Cold Water and One normal Temperature Water Cold Water We see Water Drops on Outside Surface of Glass Surface of Glass ? Option 1 Seeping Water moved from inside to Outside There are no Water Drops on Outside Surface of Glass ↓ This is Incorrect Explanation As Water Explanation teachoo What caused this Water Drops on Option 2 Condensation Water Vapour in Air converted into Water on contact with a Cold Surface ↓ This is Correct Explanation Example 2 teachoo Example 3 Suppose we boil water in half filled Utensil and Cover it with Steel Plate Activity 8.4 Aavi and Thirav conduct an activity to find evidence for their reasons. You can also conduct the activity by following the steps given below. Record your data in Table 8.2. Take a glass tumbler half-filled with water containing a few ice cubes and Cover it with a small steel plate. Weigh it on a digital weighing balance and Observe the reading on the balance and record the weight after every five minutes. Continue observing for 30 minutes. Record your observations in Table 8.2. Predict what will happen to the mass of cold water kept on the digital weighing balance. Will it increase or decrease or remain the same? 0 Minutes After 5 Minutes After 10 Minutes After 15 Minutes After 20 Minutes Activity 8.4 After 25 Minutes After 30 Minutes Activity 8.4 Table 1: Table 8.2: Measurement of mass in condensation experiment using a digital weighing balante \captionsetup{labelformat=empty} Time Mass of water 0 min 185 g The ma tumble slightly becaus Conder Water air cond outer st glass. T mass to tumble 5 min 185.5 g 10 min 186 g 15 min 186.5 g 20 min 187 g 25 min 187.5 g 30 min 188 g