For the unbalanced equation, what is the coefficient for O2?? C5H10 (l) + ? O2 (g) →? CO2 (g) + ? H2O (g) A. 5 B. 10 C. 15 D. 6 E. 1

Which of these statements would suggest that digital television transmission is a better method than analog? A) Digital transmission is a newer technology. B) Digital devices are often smaller than analog devices.

Molecules involved in a chemical reaction must meet to react. What is this concept called? Enthalpy Collision theory Enthropy Reaction rate

All force produces motion

A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?

Which term is defined as a measure of the randomness of system

Least reactive element of period 3

A chemical formula shows the kind and number of Atoms that form a what? compound, mixture, solution, or suspension

What gas was used as a deadly posiosn in world war 1?

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

what noble gas electron configuration is achieved by the bromine atoms in a molecule of BR2, a diatomic element?