Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer.