Henry plans to monitor the change in concentration of an acid during a chemical reaction. he wants to collect data every 0.1 seconds and then to graph his data and insert it into a text document. which pair of tools would be best for henry to use?

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Express the following number in scientific notation. 0.026890 =

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral