You observe heat, light, and sound released by a chemical reaction. this reaction is

absorbing energy

consuming energy

exothermic

endothermic

What happens in a decomposition reaction

Atmospheric pollution is a problem that has received much attention. Not all pollution, however, is from industrial sources. Volcanic eruptions can be a significant source of air pollution.

In general what two classes of materials dissolve in water

How Many atoms are in 1 mole of tantalum, Germanium, Rhodium, Nihonium?

Why Is Water A Polar Molecule? Does It Have Something To Do With The Dipoles Not Cancelling Each Other Out?

5. Identify a suitable method that would be used to separate mixture of the follow [b]Water and ethanol c]Table salt dissolved in water d] iodine and potassium Pul the table below

How much energy is needed to convert 57.3 grams of ice at 0.00°c to water at 75.0°c? specific heat (ice) = 2.10 j/g°c specific heat (water) = 4.18 j/g°c heat of fusion = 333 j/g heat of vaporization = 2258 j/g?

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4

When gold is melted and formed in a mold to make a piece of jewelry, what type of change is taking place?