How could you separate the small rocks and the dirt that passed through the strainer on the right?

What is the correct name for the ionic compound Ca2P5

What is the most prevalent species at pH = 10? A. At what pH do you have ~99% B. If you have access to both 10 M KOH and 10 M HCl, how much of which would you add to change 1 L of a 100 mM solution of the buffer described by this equilibrium from 3

Which index of refraction represents the least optically dense material? A. 1.58 B. 1.77 C. 2.65 D. 2.42

Susan dropped a nail into a graduated cylinder filled with water. She then recorded the number of millimeters the water rose in the cylinder. Which property of the nail can be determined by the change in height of the water?

Consider an iron cube, an aluminum cube, and a balloon filled with helium gas. If all were at the same temperature, how would the average kinetic energy of particles compare?

What is the mass, volume, density, and substance for Block C:

Which factors affect electronegativity? A. Number of electrons and atomic radius B. Number of unshielded electrons and density of the element C. Atomic radius and number of unshielded protons D. Density of the element and atomic radius

What is the difference between an amide and an amine? And what is a substituted amide?

Balance the following chemical equation: / text{CH}_ 4 + CH 4 + start text, C, H, end text, start subscript, 4, end subscript, plus / text{O}_ 2 / rightarrow 2 →start text, O, end text, start subscript, 2, end subscript, right arrow / text{CO}_2 +

How did the invention of the spectroscope in 1859 change the science of chemistry