What is different about pure and mixtures

Filtration, decantation, and evaporation are examples of ways in which scientists distinguish between elements and compounds separation by chemical means separation by physical means ways in which scientists separate compounds

A pain-relieving pill has a mass of 0.005 g. Express the pill's mass in grams using scientific notation or in milligrams.

Given that Delta. G for the reaction below is - 957.9 kJ, what is Delta. Gf of H2O? 4NH3 (g) + 5O2 (g) Right arrow. 4NO (g) + 6H2O (g) Delta. Gf, NH3 = - 16.66 kJ/mol Delta. Gf, NO = 86.71 kJ/mol

This is a material that allows heat/electricity to transfer.

If there is more friction what happens to a moving part

What are the properties of metal, nonmetal, and mellaloids

The big bang is through to have started by an?

What is the word equation for KNO3 = KNO2 + O2

Which of the following is true of mixtures? A) a mixture is a combination of two or more substances in which each substance retains its own properties B) A mixture is composed of a single pure substance C) A mixture must contain multiple compounds

Identify the main source of energy used by most organisms