A sample of hydrogen gas (H2) was heated until its original temperature of 305 K reached 463 K. If the final volume of the sample is 5.40 L, what was the original volume?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.