How many grams are in 2.0 moles of iron(III) carbonate?

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

During which time interval does the object travel approximately 10 meters

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged