In chemical reactions that occur in nature, are atoms and mass conserved

In birds, having long feathers (L) is dominant to short feathers (l). A homozygous dominant bird and homozygous recessive bird mate.

The rate law for a hypothetical reaction is rate = k [A][B]. If the concentrations of A and B are both 0.020 moles per liter and k = 1.3 * 10-1 M-1s-1, what is the reaction rate? a. 4.0 * 103 M b. 1.3 * 10-1 M-1s-1 c. 5.2 * 10-5 Ms-1 d. 5.

How many grams of methane are needed to form 33.6 L of carbon dioxide

What is the periodic table, and what is its significance in the study of chemistry?

As ice at 0°C changes to water at 0°C, the average kinetic energy of the ice molecules * remains the same increases decreases

Which gas is not a greenhouse gas, A methane, B Water Vapor, C, Carbon dioxide, D, Nitrogen, E, Ozone

A very small equilibrium constant means ... a. an equal amount of reactants and products c. more products b. more reactants d. system isn't at equilibrium

What is in a banana? give me specifics?!

When 17.28 mL of a 0.078 M aqueous solution of Na2SO4 is combined with 11.30 mL of a 0.20 M aqueous solution of NaCl and 7.84 mL of a 0.26 M aqueous solution of KCl, what is the total concentration of Na + in the combined solution?

What mass of carbon can 3000 J of energy raise from 12°C to 40°C?