A sound wave moving with a speed of 1500 m/s is sent from a submarine to the ocean floor. It reflects off the ocean floor and is received 15s later. What is the distance between the submarine and the ocean floor?

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

What are the examples for scaler quantities