If the chemical properties of a substance have not changed, has a chemical reaction occurred

Compounds that are ductile and excellent conductors of electricity have a. isotopic bonds. b. covalent bonds. c. ionic bonds. d. metallic bonds.

Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 9.48 g of hexane is mixed with 43. g of oxygen. Calculate the minimum mass of hexane that could be left over by the chemical reaction.

What is the ratio of carbon dioxide production to oxygen consumption?

A flask at room temperature contains exactly equal amounts (moles of nitrogen and oxygen. a. which gas has the higher partial pressure? b. molecules of which gas have the higher average velocity? c.

Complete the passage to Distinguish between mechanical and electromagnetic waves.

Which part of the body does colchicine affect the most

Balance and identity the type of chemical reactions. Mg (s) + HNO3 (aq) - > H2 (g) + Mg (NO3) 2 (aq)

Which radioactive element is used to determine the absolute age of late pleistocene animal remains?

Compare the practical uses and limitations of nuclear fission and fusion. Include in your answer a detailed description of the two processes, comparing and contrasting them in terms of the types of atoms involved, the conditions needed to get the

Why can two igneous rocks have the same minerals but different names?