More heat is derived from cooling one gram of steam at 100o c to 50o c than from cooling one gram of liquid water at 100o c to 50o c because

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car