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Cu2o+C➡Cu+Co2 what is the balance chemical equation

What happens when nacl (s) is dissolved in water?

Powdered sulfur and iron filings are mixed together. What physical property could you use to separate them?

What is the molarity of a 2.0L solution that was made up with 4.0 moles of NaCl?

You are performing a chemical reaction in a test tube. The test tube gets colder as the reaction takes place. This chemical reaction is ... O a. a double replacement reaction. O b. endothermic Oc. a single replacement reaction. O d.

21% of oxygen in air with barometric pressure of 625. what's partial pressure

Which situations will NOT increase the reactions rate of most chemical reactions A) an increase in temperature B) grind up the solute to increase surface area before mixing C) by increasing the pressure in which the reaction takes place D)

What are the three types of matter?

How might we create the best possible solution to a problem?

A runner at a track meet completes exactly one lap around a 400 m track. what is the distance? what is the displacement?