A sample of a compound contains 60.0 g C and 5.05 g H. Its molar mass is 78.12 g/mol. What is the compound's molecular formula?

How can water deposits soil, sediments, and rocks

There are three competing factors at play here: 1. The effective nuclear charge 2. The size of the atom and the force of attraction according to Coulomb's law 3.

Which is a way you would expect two animals of the same species to differ? A. the majority of their genetic material B. their ability to reproduce with one another c. the size of animals that reach adulthood D. their physical traits such as coloring

What gas is evolved when sulfuric acid is added to the reaction mixture?

Generally, when going down a group on the periodic table: atomic radii decrease ionic radii increase electronegativity increases reactivity decreases

Condension occurs in the inside of your windows in Winters, why?

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?

Consider the reaction: 8H2S (g) + 4O2 (g) →8H2O (g) + S8 (g). Δ[H2S]/Δt = - 0.033M/s. Find Δ[O2]/Δt. Δ[H2O]/Δt. Δ[S8]/Δt. Find the rate of the reaction.

At room temperature and pressure what is the volume of one mole of oxygen?