From the following thermochemical equation., what type of reaction is shown? CH4 (g) + 2O2 (g) CO2 (g) + 2H2O (l) + 890 kJ

Which group 2A element has the largest ionic radius?

Some chemists believe that satisfaction of the octet rule should be the top criterion for choosing the dominant lewis structure of a molecule or ion. other chemists believe that achieving the best formal charges should be the top criterion.

Of elements N, O, Cl, Na, and Which two would likely have similar chemical properties and why

10. What mass of glass (Cp = 0.749 J/gºC) is needed to absorb 5.00x104 J of heat, if it starts at 26.0 C and has a final temperature of 275.0°C?

Earth's gravity pulls on both stationary objects and moving objects. true or false?

Which of the following elements is the most stable element? argon, manganese, phosphorus, robidium

List results of Chemical Reactions.

When you measure something in meters cubed, you are measuring

Low density: low pressure: high density Is which. evaporation? water vapor? condensation / liquid water

Which structures are found on sponges? pores medusae polyps stinging cells