Consider the following reaction: Solid zinc was added to 1.0 M HC1. After 20.0 s, the temperature of the container increased by 0.5°C and 25.00 mL of
H2 was produced. The rate of this reaction was

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.