Which is an example of a catalyst?

heat

stirring

decrease in temperature

What are the three broad classes of elements

A sample of neon gas has a pressure of 2.50 atm in a 2.50 L container, at what volume will neon have a pressure of 9.68?

Living things are classified by their character stick they have in common true or false

A monoprotic acid is dissolved in water to produce a 0.0136 M solution. The pH of the resulting solution is 2.45. What is the Ka of the acid?

What's pcr stand for?

Refrigerators are usually kept at about 5°C, while room temperature is about 20°C. If you were to take an ""empty"" sealed 2-liter soda bottle at room temperature and place it in the fridge, would you expect it to contract to one-fourth its original

You want to analyze a cadmium nitrate solution. what mass of naoh is needed to precipitate the cd2 + ions from 32.7 ml of 0.499 m cd (no3) 2 solution?

How much is 35° C in F?

Which describes a precipitate in a chemical reaction? a a gaseous product formed from aqueous reactants b a solid reactant that forms aqueous product c a gaseous reactant that forms aqueous products d a solid product formed from aqueous reactants

Prepare a solution that is 0.1 M acetic acid and 0.1 M sodium acetate by measuring out 5.0 mL of the 1.0 M acetic acid solution and 5.0 mL of the 1.0 M sodium acetate solution in a 100 mL graduated cylinder, diluting the 10.