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 is true regarding the penetrating power of radiation? Alpha is the most penetrating beta is less penetrating than alpha alpha is more penetrating than gamma gamma is more penetrating than beta

Which statement is correct about the conclusions of historical events? A) Historical event conclusions can be tested using the scientific method. B) Historical event conclusions are repeatable.

What is the correct formula for calcium phosphate?

The positively charged particle in the nucleus of an atom is the 1. neutron 2. magnetron 3. electron 4. proton

A gas mixture contains 1.25 g n2 and 0.85 g o2 in a 1.55 l c ontainer at 18 °c. calculate the mole fraction and partial pressure of each component in the gas mixture.

If a small amount of ferrous ammonium sulfate is spilled when transferring

List one reason as to why historical growth has slowed in recent years.

Name some specific liquids that you think might contain less than 80 percent water.

The ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. in the first step of the ostwald process, ammonia is reacted with oxygen gas to produce nitric oxide and water.

Convert 6.766 * 10 ms into s