When burning methane gas, which outcome best demonstrates the law of conservation of mass? a. ch4 → co2 + h20 b. ch4 + o2→ co2 + 2h20 c. ch4 + o2 → 2co2 + 2h20 d. ch4 + 2o2 → co2 + 2h20

Express the following number in scientific notation. 0.026890 =

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.