What demonstrates that this was a chemical change and not a physical change

Which does not contain a lense a mirror a telescope a microscope eyeglasses

Types of nuclear reactions include fission, fusion, and (1) single replacement (2) neutralization (3) oxidation-reduction (4) transmutation

Why are wind, hydroelectric, and geothermal energy resources not suitable for providing energy worldwide

How many moles of gold atoms are in 2.8 x 10 21 atoms of gold?

Does anybody have a crush on somebody and did not tell them yet i have too crushes

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