Radio waves are also able to pass through the body’s softer tissue without being absorbed. Why are radio waves not used to generate medical images?

What’s the percent by mass of carbon in c10h14n2

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?