List 4 clues that a chemical reaction is occurring

The number of significant figures in the measurement 0.01305 kg is a. 5. b. 3. d. 4. c. 2

A tank contains 100 gallons of water and 50 oz of salt. water containing a salt solution of concentration 2 + sin t oz/gallon flows into the tank at a rate of 2 gal/min and the well mixed solution drains at the same rate. a.

How many significant figures does 16.00 contain

Which of these is a mixture? Carbon Carbon dioxide Air Oxygen

What alkyl halide forms the following alkene as the only product in an elimination reaction?

What do you need in order to do a stoichiometric calculation? (Choose multiple) Balanced Chemical Equation Molar masses of compounds involved The type of reaction taking place Oxidation Numbers

The correct mathematical expression for finding the molar solubility (s) of sn (oh) 2 is:

18. which bond is most polar? H--F H--Cl H--Br H--I

What kind of reaction is ca (s) + h3po4 (aq) ca3 (po4) 2 (s) + h2 (g)

In the teapot dome scandal, what did the secretary of the interior albert fall lease