Substances that emit particles and energy as their nuclei naturally breakdown are

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

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: