Who was Democritus teacher that influenced his development of the atom concept

Thermodynamics is the study of the relationship between thermal energy and A) mass B) other forms of energy C) types of engines D) temperature

Characteristics of bipolar disorder typically include a. hypochondria. b. difficulty concentrating. c. attacks of amnesia. d. manipulation of others

Select each process that produces an increase in the entropy of the system: check all that apply. check all that apply. cao (s) + co2 (g) → caco3 (s) hcl (g) + nh3 (g) → nh4cl (s) co2 (s) → co2 (g) 2 so2 (g) + o2 (g) → 2 so3 (g)

The mass of an object is

A. 1.0 liter of a 1.0 M mercury (II) chloride (HgCl2) solution IMO)

Which is the balanced chemical equation showing hydrogen peroxide (h2o2) decomposing into hydrogen (h2) and oxygen (o2) ? 1. h2 + o2 → h2o2 2. 2 h2o2 → 2 h2 + o2 3. h2o2 → h2 + o2 4. 2 h2 + o2 → 2 h2o2?

Assuming constant pressure, rank these reactions from most energy released by the system to most energy absorbed by the system, based on the following descriptions: A. Surroundings get colder and the system decreases in volume. B.

Zircon is a mineral with the empirical formula ZrSiO4. If all the zirconium is 90Zr, all the silicon is 28Si, and all the oxygen is 16O, what mass of oxygen is present in 10. g of zircon?

Which property below is not a general property of metals: A. Ductile C. Malleable B. Poor conductor of heat D. High luster

Calculate the number of particles (atoms or molecules) of the following: 1. How many molecules are there in 24 grams of FeF3? 2. How many molecules are there in 450 grams of Na2SO4? 3. How many grams are there in 2.3 x 1024 atoms of silver?