3. How many grams of carbon dioxide are produced when 191 g of methane (CHA) are burned completely as shown in the reaction below: CH4 + 2O2 + CO2 + 2H2O

262 g CO2

O 191 g CO2

O 524 g CO2

1050 g CO2

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

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the following equation: