Which process results in a chemical change?

A) Tearing tin foil

B) melting an iron bar

C) crushing an aluminum can

D) burning magnesium ribbon

Name three characteristics of nonmetals.

Which factors have the greatest effect on the rate of a chemical reaction between AgNO3 (aq) and Cu (s) ?

Chemistry LA What is the molar mass of carbon dioxide (CO) ? 44.01 g/mol 15.99 g/mol 12.01 g/mol 32.00 g/mol

From the following pairs of coordination complexes, identify the one that is a pair of coordination isomers (aka ionization isomers). a. Na2[NiBr2Cl2] and K2[NiBr2Cl2] b. [Ni (NH3) 3Br]Cl and [Ni (NH3) 3Cl]Br c.

Physical properties of toothpaste

Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 g of NaCl in 500. mL of solution? moles of solute Use molarity - liters of solution

What are 3 ways to seperate metal particles and salt

Sarah heated some orange coloured crystals in a test tube. The crystals turned green and fizzed. After the fizzing stopped, the test tube was allowed to cool. A green powder was left in the tube.

In which orbital does an electron in a bromine atom experience the greatest effective nuclear charge?

Kool-Aid is made up of sugar (C6H12O6), food coloring, and water. It is an example of a (n) element heterogeneous mixture homogeneous mixture compound