The Leyden jar, invented by chance in 1746, was one of the earliest types of capacitors (see the figure below), made by covering the inner and outer surfaces of a glass jar with conducting layers (for example, aluminum foil). It
bubbles initially forms and escapes down the bottom of the glass in the rising water experiment. What gas is responsible for this bubbles? the air bubbles escaping from the jar or bottle are evidence of the fact that the air in
When water is frozen into ice cubes in the freezer, where does the released heat go? I think it just goes into the air in the freezer, nowhere special. Because won't the heat become cold air then? That's right. The heat just adds
A freezer contains 20 kg of food with a specific heat of 2 x 10^3 J/kgC. The freezer motor then operates for 10 minutes reducing the temperature to -8 degrees Celsius. a) How much heat is removed from the food during this time?
A certain kind of bacteria doubles in quantity every hour. At midnight two nights ago. only two of these bacteria were in a jar. At midnight last night, the jar was full. At what time was the jar half full?
You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. Using 3 -4 sentences explain how the vapor pressure of water in the