A train took 18 hours to finish 1530 miles journey. What was the average speed of the train during this journey?

What is the kinetic energy of a single molecule of oxygen gas traveling at 455 m/s?

One half of the distance between the nuclei of two atoms bonded together by a single bond is known as

Chemical formula of tetraphosphurus octasulfide

What is Hurricane negative effects on human life in Florida

A scientist performs an experiment in which a radium-226 (Ra-226) atom decays into radon-222 (Rn-222). The scientist concludes that some energy must have been added to the system to cause this reaction to begin.

How many protons and electrons does 0^2 - have?

How many ions form when 39 grams of calcium fluoride are added to excess water? a. 0.50 mol b. 1.0 mol c. 1.5 mol d. 3.0 mol

Which term specifically describes small chunks of rocks and debris in space that travel through the Earth's atmosphere and hit its surface? meteorites, meteoroids, meteors, meteorides

What is a covalent bond?

Which statement describes how the binary ionic compound CaCl2 is named? The nonmetal is named first, and the ending is replaced with - ide. The metal is named first, and the ending is replaced with - ide.