3. Which of the following quantities is a density? (hint check your units!) a. 9 cal/g
b. 100 cm/m
c. 1.5 gL
d. 454 g/lb

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

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

In a copper wire, a temperature increase is the result of which of the following