What is happening in the following equation? N204 (g) → 2 NO2(g)
OA. Nothing; the reactant and the product are the same.
ОВ.
Six units of dinitrogen tetraoxide are decomposing into two units of nitrogen dioxide.
OC.
Two units of nitrogen dioxide are synthesizing into one unit of dinitrogen tetraoxide.
OD
One unit of dinitrogen tetraoxide gas is decomposing into two units of nitrogen dioxide gas.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction