Asample of c3h8 has 7.52×1024 h atoms. how many carbon atoms does the sample contain? what is the total mass of the sample?

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

The p sub shell can hold up to 8 electrons in an atom. true or false?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder