The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 kelvin is called its

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.

How are the terms group and period used on the periodic table

Name a brittle metal , which is used to galvanize iron