What evidence can you provide that combustion is a chemical change?

What 2 factors determine how easily water moves though a material?

In order for a coupled reaction to have a net ΔG of - 3.3 kcal/mol, the ΔG of the endergonic reaction needs to be more negative than the ΔG of the exergonic reaction. both reactions need to be endergonic. both reactions need to be exergonic.

if the mass of a material is 46 grams and the volume of the material is 5 cm^3 what would the density of the material be?

Would sound travel fastest through Answers: Milk Metal or air.

In Chapter 1 of Astrobiology, A Very Short Introduction, the author talks about some properties of one element in particular that is vital to life on Earth.

Sodium can achieve greater stability in its valence shell by

Resonance in air columns is used in which of these musical Instruments?

A student prepared a standard stock copper (II) sulfate solution with an absorbance value of 0.862. The student then decided to prepare a second solution containing copper (II) sulfate from the standard stock solution.

How do the results for methane compare to those for butane? does your experimental data verify charles's law?

How many grams of naoh would be needed to make 0.50 l of a 1.25 molar naoh solution? 2.5 grams 16 grams 25 grams 12 grams?