A 43.6-mg sample of boron reacts with oxygen to form 140 mg of the compound boron oxide. What is the empirical formula of boron oxide? Help Please! First Answer gets Brainliest!

Ase your answer to this question on the information below.hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant.the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product.nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions