Which of the following was not part of democritus' theory of matter?

1. matter consists of tiny particles called atoms

2. atoms retain their identity in a chemical reaction

3. atoms are indestructible

4. atoms are indivisible

What is the gram formula mass of Na2CO3 x 10H2O

How many grams of carbon dioxide are produced by the combustion of 75.3 g of octane (C8H18) ?

Nitric acid is a solution of which of the following dissolved in water?

What is sodium polycrylate

A mixture containing nitrogen and hydrogen weighs 3.49 g and occupies a volume of 7.45 L at 305 K and 1.03 atm. Calculate the mass percent of these two gases. Assume ideal-gas behavior. slader

A geologist discovered fossils of marine animals in a layer of sedimentary rock in the desert. Based on this discovery, what conclusion can the geologist draw?

How do metals form chemical bonds with other metals?

Maple syrup has a density of 1.325 g/ml, and 100.00 g of maple syrup contains 67 mg of calcium in the form of ca2 + ions. what is the molarity of calcium in maple syrup?

When an object is lifted 6 meters off the ground, it gains a certain amount of potential energy. If the same object is lifted 18 meters off the ground, its potential energy is A. six times as much. B. the same. C. three times as much. D.

How many moles of oxygen gas are there in 6.02 x 10 the the 24th power?