Use the dropdown menu to name each substance: NH4NO2 is [NH4NO2]. NaOCl is [NaOCl]. CoCl3 is [CoCl3].

48 g methane (CH4) is dissolved in liquid hexane to make 6.0 dm3 solution. (1dm3 = 1L) What is the molarity of CH4?  Answer in M. Do not use scientific notation. Do not type units. 

0.82 g of an unknown gas is placed in a 0.461 dm3 container at 319 K. The pressure is measured to be 2.81 atm. What is the molecular mass of the gas?  Answer in g/mol. Do not type units. Do not use scientific notation.

Cumulative  Balance: __FeCl3 + __HOCl –> __Fe3O4 + __Cl2 + __H2. The stoichiometric coefficient of FeCl3 is [FeCl3]. The stoichiometric coefficient of Cl2 is [Cl2].

Periodic Table: periodic table for tests.pdf (remember you can use the zoom in and out buttons). What is the molecular mass of BeCl2? Exact sig figs required. Answer in g/mol. Do not use scientific notation. Do not type units. Canvas may add leading or trailing zeros to your answer; these will NOT affect your grade.

14 g N2 is reacted with 38 g F2 by the reaction

Cumulative Every chemical in the following list is a base. Select all the weak bases. You may select more than one.

The surroundings does 37 J of work on the system. The system receives 23 J of work from the surroundings. The system emits 81 J heat. What is the change in internal energy of the system? Exact sig figs required. Answer in J. Do not use scientific notation. Do not type units. 

A solution of Au(C2H3O2)3(aq) (gold(III) acetate) is mixed with a solution of Cs2CO3(aq) (cesium carbonate). Select the spectator ions. You may select more than one response. 

Which of the following best describes the Moon Project in this course?