Sugar is composed of chemically bonded carbon, hydrogen, and oxygen. Sugar is an example of which of the following? A. An atom B. A compound C. an electron

What was the total number of calories lost when 10 grams of water at 80c is cooled to 60c?

What happens acoss the period of the periodic table

If 8 moles of FeCl react with 8 moles of O2 what is the limiting reactant? 4FeCl3 + 302-2Fe2O3 + 3Cl2 A) FeCl3 B) 02 C) Fe203 D) Cl2

Which terms identify types of chemical reactions

What form of the ideal gas law would you use to calculate the number of moles of a gas? A. T = pv nR B. n = PV RT C. v = nRT p D. p = nRT v

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.