Why is it sometimes possible to loosen caps on screw-top bottlesby dipping the capped bottle briefly into hot water?

Q: The "steam" above a freshly made cup of instant coffee is really water vapor droplets condensing…

A: The mass of the coffee is m=185 g×1 kg1000 g=0.185 kg The evaporated mass is me=3.93 g×1 kg1000…

Q: You are thinking ahead to spring when one of your friends is having an outdoor wedding. Your plan is…

A: Given: M = mass of lemonade = 5.6 x103 kg = 5600 gm S = specific heat capacity of water = 1.0…

Q: On a hot day, the temperature of an 82000-L swimming pool increases by 1.45°C. What is the net neat…

A: Volume (V)=82000L Temperature=1.45°C

Q: bubble having a diameter of 92 cm is released from a depth of 4.5 m from the bottom of a swimming…

A:

Q: The world's deepest gold mine, which is located in South Africa, is over 5.1 km deep. Every day, the…

A: There is m=348114 kg of ice at 0°C. The latent heat of fusion of ice is Lf=3.33×105 J/kg.

Q: The coolant in an automobile radiator is kept at a pressure higher than atmospheric pressure. Why is…

A: We are aware of the causes of the system's incomplete sealing and higher radiator pressure than…