What is the molar mass of a gas if 0.2222 g of the gas occupies a volume of 0.4178 L at a temperature 22.22 °C and a pressure of 50.15 kPa?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

What is the oxidation state of each individual carbon atom in c2o42−?