If you weighed the atoms that appear on the reactant side of the equation, would they have the same mass as the atoms that appear on the product side?

Certain hydrocarbon is 92.3 % carbon and 7.7 % hydrogen by mass. If the molar mass of the hydrocarbon is approximately 40 g/mol, what is its molecular formula?

What happens when you put baking soda on an acid

Refer to the following diatomic species (A) Li2 (B) B2 (C) N2 (D) O2 (E) F2 Has the largest bond-dissociation energy

Describe two situations that reduce the dissolved oxygen content of water

A sample of diborane gas (B2H6), a substance that bursts into flame when exposed to air, has a pressure of 345 torr at a temperature of - 15ºC and a volume of 3.48 L.

Based on the kinetic molecular theory, which of the following statements is correct about the particles in a sample of gas? They have negligible kinetic energy. There is negligible force of attraction between them.

The greenish color of plant cells comes from a. the cell membrane b. chloroplasts c. ink

Describe what might happen to the water cycle if less solar energy reaches Earth and how Earths climate would be affected.

In addition to canyons, what other kinds of geologic formations might separate similar organisms

Iron has a density of 7.86 g/cm3. Calculate the volume (in dL) of a piece of iron having a mass of 4.79 kg.