The distance on thermometer B between the 110 °C mark and the −10 °C mark is 18 cm. Calculate the length of the liquid thread above the −10 °C mark when the temperature
recorded by B is 70 °C.
length =

*please provide detailed explanation*

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.