The Hawaiian Islands are home to many endangered species. Why do you think the Hawaii Department of Agriculture is so strict about allowing nonnative species onto the islands?

Which definition describes activation energy? the speed which reactants form products in a chernical reaction the short-lived, high - energy intermediate between reactants and products the diagram showing a change in energy between reactants and

Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 56. g of butane is mixed with 138. g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction.

The number of moles in 2.93 g of Li2O in corrext sig figs

Which is true with respect to the kinetic energy of a molecule? O A. it is the lowest at low temperatures B. it increases at low temperatures C. it is the same at all temperatures D. it is the lowest at high temperatures

Assume you had a silver sphere with a mass of 1.50kg. calculate the diameter of the sphere (in cm). the density of silver is 10.5 g/cm^3. the formula for the volume of a sphere is ... v = 4/3 3.14 r^3

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?