Flames are the heat and light energy that is release when the chemical bonds in a substance are broken. What provides the chemical potential energy in a candle?

A. spark

B. heat

C. wax

D. water

Which of the following best represents a neutralization reaction

What is the element 3O2 name

What is an isotope? how is the mass calculated?

Determine if the phrases describe a solid, liquid, or gas.

What amount of ammonia, NH3 (g), can be produced from 15 mol of hydrogen reacting with excess nitrogen? 3 H2 (g) + N2 (g) → 2NH3 (g)

What two chemical mechanisms change pyruvate to acetyl-CoA in the pyruvate dehydrogenase complex? Group of answer choices a) Decarboxylation and condensation. b) Oxidation and decarboxylation. c) Condensation and dehydrogenation.

Which earth cycle does the suns energy drive

How many moles are in 10 grams of CaCl2?

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a subscript of 5 indicates five Cl atoms P5Cl because a subscript of 5 indicates five P atoms P5Cl3 because a subscript of

Why are the elements in groups 3 to 12 often used to make dyes?