A movable chamber has a volume of 18,5 L (at a temperature
of 18.5°C) Assuming no gas escapes and the pressure
remains constant, what is the temperature when the
chamber has a volume of 19.8 L?

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas