When is Chemistry taught to you in school? Like I want to learn chemistry but I don't know when they're going to teach it.

Why is water considered a pure substance, while milk is not?

Why are plastics called "plastics"?

Which gas is formed when any metal carbonate reacts with any acids? A) oxygen B) carbon dioxide C) hydrogen D) methane

brainstorm some of the impacts you think your generations energy consumption is having today and on tomorrows future generations

How much heat (in joules) is needed to raise the temperature of 355 g of ethanol (c = 2.4 J/goC) by 63oC?

Describe three physical changes that occur in nature.

Name the two sub-atomic particles in the nucleus of an aluminium atom.

Identify the true statement. Choose one: A. The expansion of ice sheets at the end of the Pleistocene caused glacial rebound in northern Canada. B. Regions covered by glacial ice are termed periglacial environments. C.

What is the concentration when 0.065 moles of NaNO3 are dissolved in enough water to make 150.0 mL of solution?

What are the reactants and products of cellular respiration and photosynthesis?